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  1. #include<stdio.h>
  2. #include<math.h>
  3. #include<string.h>
  4. int strToint(char []);
  5. int main()
  6. {
  7.     char str[20];
  8.     printf("Enter the string-");
  9.     gets(str);
  10.     printf("\nthe integer is %d ",strToint(str));
  11.     return 0;
  12. }
  13. int strToint(char str[])
  14. {
  15.     int i,a,sum=0,k,j;
  16.     a=strlen(str);
  17.     for(i=0;i<a;i++)
  18.     {
  19.         k=str[i]-'0';
  20.         j=pow(10,a-i-1);
  21.         sum+=k*j;
  22.     }
  23.     return sum;
  24. }
Success #stdin #stdout 0s 3300KB
comments (?)
stdin 
567
stdout 
Enter the string-
the integer is 567
https://ideone.com/4Ae89x
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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