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  1. #include <stdio.h>
  2. int atoi(char s[]) {
  3.         int i, n;
  4.         n = 0;
  5.         for(i = 0; s[i] >= 'a' && s[i] <= 'z'; ++i){
  6.  
  7.                 n = 10*n + (s[i] - 0);
  8.         }
  9.         return n;
  10. }
  11. int main() {
  12.         char s[] = "jitendra";
  13.         int number = atoi(s);
  14.         printf("%d\n", number);
  15.         //printf("%d\n", atoi(s));
  16.         return 0;
  17. }
Success #stdin #stdout 0s 9424KB
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1177731237
https://ideone.com/ex7tAD
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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