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Commit 590343f

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feat: add c solutions to lc problems: No.0008,0009 (#4506)
1 parent ac79b4f commit 590343f

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6 files changed

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lines changed

6 files changed

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‎solution/0000-0099/0008.String to Integer (atoi)/README.md‎

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@@ -386,6 +386,36 @@ class Solution {
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}
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```
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#### C
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```c
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int myAtoi(char* s) {
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int i = 0;
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while (s[i] == ' ') {
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i++;
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}
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int sign = 1;
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if (s[i] == '-' || s[i] == '+') {
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sign = (s[i] == '-') ? -1 : 1;
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i++;
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}
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int res = 0;
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while (isdigit(s[i])) {
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int digit = s[i] - '0';
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if (res > INT_MAX / 10 || (res == INT_MAX / 10 && digit > INT_MAX % 10)) {
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return sign == 1 ? INT_MAX : INT_MIN;
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}
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res = res * 10 + digit;
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i++;
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}
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return res * sign;
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}
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```
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389419
<!-- tabs:end -->
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<!-- solution:end -->

‎solution/0000-0099/0008.String to Integer (atoi)/README_EN.md‎

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@@ -374,6 +374,36 @@ class Solution {
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}
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```
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#### C
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```c
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int myAtoi(char* s) {
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int i = 0;
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while (s[i] == ' ') {
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i++;
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}
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int sign = 1;
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if (s[i] == '-' || s[i] == '+') {
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sign = (s[i] == '-') ? -1 : 1;
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i++;
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}
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int res = 0;
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while (isdigit(s[i])) {
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int digit = s[i] - '0';
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if (res > INT_MAX / 10 || (res == INT_MAX / 10 && digit > INT_MAX % 10)) {
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return sign == 1 ? INT_MAX : INT_MIN;
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}
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res = res * 10 + digit;
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i++;
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}
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return res * sign;
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}
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```
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<!-- tabs:end -->
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<!-- solution:end -->
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@@ -0,0 +1,25 @@
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int myAtoi(char* s) {
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int i = 0;
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while (s[i] == ' ') {
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i++;
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}
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int sign = 1;
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if (s[i] == '-' || s[i] == '+') {
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sign = (s[i] == '-') ? -1 : 1;
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i++;
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}
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int res = 0;
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while (isdigit(s[i])) {
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int digit = s[i] - '0';
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if (res > INT_MAX / 10 || (res == INT_MAX / 10 && digit > INT_MAX % 10)) {
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return sign == 1 ? INT_MAX : INT_MIN;
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}
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res = res * 10 + digit;
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i++;
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}
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return res * sign;
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}

‎solution/0000-0099/0009.Palindrome Number/README.md‎

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@@ -248,6 +248,24 @@ class Solution {
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}
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```
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#### C
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```c
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bool isPalindrome(int x) {
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if (x < 0 || (x != 0 && x % 10 == 0)) {
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return false;
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}
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int y = 0;
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while (y < x) {
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y = y * 10 + x % 10;
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x /= 10;
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}
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return (x == y || x == y / 10);
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}
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```
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<!-- tabs:end -->
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<!-- solution:end -->

‎solution/0000-0099/0009.Palindrome Number/README_EN.md‎

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@@ -240,6 +240,24 @@ class Solution {
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}
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```
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#### C
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```c
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bool isPalindrome(int x) {
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if (x < 0 || (x != 0 && x % 10 == 0)) {
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return false;
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}
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int y = 0;
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while (y < x) {
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y = y * 10 + x % 10;
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x /= 10;
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}
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return (x == y || x == y / 10);
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}
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```
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<!-- tabs:end -->
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<!-- solution:end -->
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bool isPalindrome(int x) {
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if (x < 0 || (x != 0 && x % 10 == 0)) {
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return false;
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}
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int y = 0;
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while (y < x) {
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y = y * 10 + x % 10;
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x /= 10;
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}
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return (x == y || x == y / 10);
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}

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