HUST 1602 Substring

水题。

#include<cstdio>
#include<cstring>
#include<cmath>
#include<string>
#include<algorithm>
using namespace std;

long long L, R;
string Q = "XHUSTACM";

int main()
{
    while (~scanf("%lld%lld", &L, &R))
    {
        long long tot = R - L + ;
        long long st = L % ;
        if (st == ) st = ;

        long long now = ;
        while ()
        {
            printf("%c", Q[st-]);
            now++;
            if (now == tot) break;
            st++;
            if (st == ) st = ;
        }
        printf("\n");

    }
    return ;
}