C Program String Example

C Program String Example

How to write a C Program String Example in C Programming Language ?


Solution For C Program :

//C Program String Example.
#include <stdio.h>
#include <ctype.h>
#include <string.h>

int main(){

while( 1 ){
char s[1000];
gets(s);

if( strcmp(s, "0") == 0 ){
break;
}

int sum = 0;
int i;
for( i = 0 ; s[i] != '\0' ; i++ ){
if( isalpha(s[i]) ){
sum += tolower(s[i]) - 'a' + 1;
}
else {
sum = -1;
break;
}
}

if( sum == -1 ){
printf("Fail\n");
}
else {
printf("%d\n", sum);
}

}
return 0;

}


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