#include <stdio.h>
char to_lower(char c){
if('A'<=c && c<='Z'){
c += 'a'- 'A';
}
return c;
}
int i;
char cs, ct;
for (i=0; s[i] !='\0' ; i++){
cs = to_lower(s[i]);
ct = to_lower(t[i]);
/* TODO */
if(cs != ct)return 0;
}
return 1;
}
int i, cnt=0;
for (i=0; str[i]!='\0'; i++){
cnt++;
}
return cnt;
}
int main(){
char s[32];
char t[32];
int i, ans;
return 0;
}
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