OJ Board

:cry: i used gets it says runtime error but my solution is correct don know why, anyone help me? herez my code:

#include<stdio.h>
#include<string.h>
char s[15000],t[15000];
int a,i,j,b;
void main(){
while(gets(s)){
a=strlen(s);
for(j=0;j<a;j++){
t[j]=NULL;
}
for(i=0;i<a;i++){
if((s >='A ...