10324 - Zeros and Ones

#include <bits/stdc++.h>

using namespace std;

// Comment
int main()
{
    //freopen("in.txt", "r", stdin);
    char str[1000005];
    int tc = 1;

    while(scanf("%s", str)!= EOF)
    {
        printf("Case %d:\n", tc++);
        int t;
        scanf("%d", &t);
        while(t--)
        {
            int i, j;

            scanf("%d %d", &i, &j);
            int maxindex, minindex;

            maxindex = max(i, j);
            minindex = min(i, j);

            bool flag = true;

            while(minindex<= maxindex)
            {
                if(str[minindex] != str[maxindex] )
                {
                    flag = false;
                    break;
                }

                minindex++;
            }

            if(flag)
                printf("Yes\n");
            else
                printf("No\n");
        }
    }



    return 0;
}