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Commit c2f4e94

Browse files
author
Abdullah
committed
init
0 parents commit c2f4e94

24 files changed

+2010
-0
lines changed

‎.gitignore‎

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# Prerequisites
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*.d
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# Compiled Object files
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*.slo
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*.lo
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*.o
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*.obj
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# Precompiled Headers
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*.gch
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*.pch
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# Compiled Dynamic libraries
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*.so
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*.dylib
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*.dll
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# Fortran module files
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*.mod
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*.smod
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# Compiled Static libraries
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*.lai
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*.la
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*.a
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*.lib
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# Executables
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*.exe
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*.out
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*.app

‎2_0_decode_message.cpp‎

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#include <iostream>
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using std::cin;
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using std::cout;
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int getModulo(int nr, int mode);
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char getCharacter(int nr, int mode);
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char getPunctuation(int nr);
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enum modeType {UPPERCASE, LOWERCASE, PUNCTUATION};
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int main()
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{
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char digit;
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char ch = '0';
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int nr = 0;
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int mode = UPPERCASE;
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int modulo = 0;
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digit = cin.get();
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while(digit != 10) {
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while (!(digit == 10 || digit == ',')) {
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nr = nr*10 + digit - '0';
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digit = cin.get();
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}
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modulo = getModulo(nr, mode);
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if (modulo == 0) {
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mode = ++mode % 3;
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} else {
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ch = getCharacter(modulo, mode);
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cout << ch;
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}
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nr = 0;
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digit = cin.get();
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}
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}
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int getModulo(int nr, int mode) {
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if (nr == 0) return 0;
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switch(mode) {
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case UPPERCASE:
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return nr % 27;
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break;
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case LOWERCASE:
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return nr % 27;
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break;
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case PUNCTUATION:
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return nr % 9;
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break;
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default:
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return '0';
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break;
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}
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}
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char getCharacter(int modulo, int mode)
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{
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switch(mode) {
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case 0:
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return 'A' + modulo - 1;
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break;
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case 1:
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return 'a' + modulo - 1;
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break;
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case 2:
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return getPunctuation(modulo);
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break;
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default:
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return '0';
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break;
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}
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}
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char getPunctuation(int modulo)
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{
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switch(modulo) {
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case 1:
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return '!';
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break;
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case 2:
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return '?';
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break;
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case 3:
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return ',';
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break;
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case 4:
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return '.';
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break;
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case 5:
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return ' ';
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break;
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case 6:
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return ';';
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break;
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case 7:
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return '"';
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break;
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case 8:
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return '\'';
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break;
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default:
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return '0';
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break;
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}
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}
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‎2_0_half_square.cpp‎

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#include <iostream>
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using std::cin;
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using std::cout;
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int main()
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{
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char digitChar;
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char c;
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int oddSum = 0;
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int evenSum = 0;
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int finalSum = 0;
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int i = 1;
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cout << "Enter a number and press enter to validate: ";
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digitChar = cin.get();
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while (digitChar != 10) {
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int digit = 0;
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digit = digitChar - '0';
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if (i % 2 == 0) { //If position is even from left
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evenSum += digit;
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digit *= 2;
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if (digit >= 10) {
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digit = 1 + (digit - 10);
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}
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oddSum += digit;
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finalSum = evenSum;
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} else { //If position is odd from left
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oddSum += digit;
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digit *= 2;
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if (digit >= 10) {
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digit = 1 + (digit - 10);
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}
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evenSum += digit;
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finalSum = oddSum;
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}
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digitChar = cin.get();
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i++;
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cout << "Checksum is " << finalSum << "\n";
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}
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if (finalSum % 10 == 0) {
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cout << "The digit is valid! \n";
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} else {
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cout << "The digit is invalid! \n";
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}
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}
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‎2_0_luhne_checksum.cpp‎

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#include <iostream>
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using std::cin;
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using std::cout;
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int main()
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{
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char digitChar;
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int oddSum = 0;
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int evenSum = 0;
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int finalSum = 0;
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int pos = 1;
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cout << "Enter a number and press enter to validate: ";
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digitChar = cin.get();
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while (digitChar != 10) {
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int digit = 0;
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digit = digitChar - '0';
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if (pos % 2 == 0) { //If position is even from left
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evenSum += digit;
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digit *= 2;
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if (digit >= 10) {
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digit = 1 + (digit - 10);
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}
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oddSum += digit;
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finalSum = evenSum;
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} else { //If position is odd from left
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oddSum += digit;
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digit *= 2;
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if (digit >= 10) {
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digit = 1 + (digit - 10);
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}
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evenSum += digit;
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finalSum = oddSum;
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}
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digitChar = cin.get();
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pos++;
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cout << "Checksum is " << finalSum << "\n";
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}
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if (finalSum % 10 == 0) {
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cout << "The digit is valid! \n";
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} else {
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cout << "The digit is invalid! \n";
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}
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}
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‎2_1_hash_shape.cpp‎

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#include <sstream>
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#include <iostream>
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#include <iomanip>
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using std::cin;
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using std::cout;
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using std::endl;
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using std::setw;
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int main()
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{
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int shapeWidth = 8;
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for (int row = 0; row < 4; row++) {
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cout << setw(row+1);
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for(int hashNum = 0; hashNum < shapeWidth-2*row; hashNum++) {
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cout << "#";
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}
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cout << "\n";
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}
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}

‎2_2_hash_shape.cpp‎

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#include <sstream>
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#include <iostream>
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#include <iomanip>
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using std::cin;
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using std::cout;
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using std::endl;
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using std::setw;
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int main()
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{
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int shapeWidth = 8;
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int repeat = shapeWidth;
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int change = 2;
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for (int width = 2; width > 0; width+=change) {
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cout << setw((shapeWidth - width)/2+1);
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for(int hashNum = 0; hashNum < width; hashNum++) {
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cout << "#";
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}
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cout << "\n";
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if (width == repeat)
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{
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width += 2;
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change *= -1;
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repeat = -1;
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continue;
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}
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}
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}

‎2_3_hash_shape.cpp‎

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#include <sstream>
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#include <iostream>
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#include <iomanip>
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using std::cin;
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using std::cout;
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using std::endl;
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using std::setw;
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int main()
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{
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enum lr {LEFT, RIGHT, NEXT};
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int hashSizeInCenter = 4;
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int repeat = hashSizeInCenter;
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int spaceWidth = (hashSizeInCenter-1)*4+1;
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int indent = 1;
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int pos = LEFT;
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int change = 1;
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for (int width = 1; width > 0; width += change) {
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pos = LEFT;
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while (pos != NEXT) {
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if (pos == LEFT) {
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cout << setw(indent);
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}
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else {
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cout << setw(spaceWidth);
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}
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for (int hashNum = 0; hashNum < width; hashNum++)
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{
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cout << "#";
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}
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pos = ++pos % 3;
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}
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cout << "\n";
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if (width == repeat)
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{
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width += change;
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change *= -1;
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repeat = -1;
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continue;
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}
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spaceWidth -= 4*change;
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indent += change;
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}
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}

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