Codeforces Round #384 (Div. 2), problem: (A) Vladik and flights Solution in C/C++
#include<stdio.h> int main() { int i,j,n,a,b; char s[100003]; scanf("%d%d%d",&n,&a,&b); scanf("%s",s); if(s[a-1]==s[b-1]) { printf("0"); } else printf("1"); return 0; }