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Commit 405e7b1

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GreatestNum
- Try to write a function to solve finding the max value in random value array .
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14 files changed

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‎.vs/VSWorkspaceState.json‎

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"ExpandedNodes": [
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"SelectedNode": "\\OOP1-Lab2",
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"PreviewInSolutionExplorer": false
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‎.vs/cpp-programming/FileContentIndex/read.lock‎

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‎OOP1-Lab2/Greatestnumber.cpp‎

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// U1910049
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// Lab assignment #3
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// Program to find greatest in 3 numbers
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// Program to find greatest in n numbers, the user offer requirement amount, and get the greatest number
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#include <iostream>
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#include <string>
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#include <vector>
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#include <algorithm> // °üo¬ max_element() o ̄Êý
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using namespace std;
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intmain2()
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{
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float a, b, c;
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voidFindGreatestNumInThreeNum() {
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cout << "Enter the 3 numbres: ";
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float a, b, c;
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cin >> a >> b >> c;
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if (a >= b && a >= c)
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cout << "The greatest number is " << a << ";" << endl;
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cout << "The greatest number is " << c << ";" << endl;
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else if (a == b == c)
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cout << "All numbers are equal." << endl;
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system("pause");
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}
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void FindGreatestNumInRandomNum() {
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cout << "Please enter number what you like, when you want to stop enter the number just enter QUIT or quit, we will return the greatest value" << endl;
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vector<double> Numlist;
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string S_Num;
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double D_Num;
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do {
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cin >> S_Num;
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try {
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D_Num = stod(S_Num);
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}
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catch (const std::invalid_argument& ia) {
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if (S_Num == "QUIT" || S_Num == "quit") {
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auto MaxValue = max_element(Numlist.begin(), Numlist.end());//what is Iterator?
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cout << "The Greatest Value is " <<*MaxValue<< endl;//What is a dereference?
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return;
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}
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cout << "Your input is invalid, please enter again or send quit" << endl;
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continue;
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}
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catch (const std::out_of_range& oor) {
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std::cerr << "Out of range: " << oor.what() << endl <<"Your input is invalid, please enter again or send quit" << endl;
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continue;
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}
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Numlist.push_back(D_Num);
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} while (1);
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}
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int main()
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{
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FindGreatestNumInRandomNum();
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return 0;
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}

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