hdu 6045 多校签到题目

#include <cstdio>
#include <iostream>
#include <queue>
using namespace std;
int main()
{
    cin.sync_with_stdio(false);
    int t;
    cin>>t;
    while(t--)
    {
        int n,x,y;
        cin>>n>>x>>y;
        string a;
        string b;
        cin>>a;
        cin>>b;
        int ret=0;
        for(int i=0;i<n;i++)
        {
            if(a[i] == b[i] ) ret++;
        }
        int same=ret;
        int nosame=n-ret;
        int maxx=max(x,y);
        int minn=min(x,y);
        int wa=n-maxx;
        int l,r;
        if(same < wa) l=0;
        else l=same-wa;
        r=same+wa;
        if(l<=minn && minn <=r) cout<<"Not lying"<<endl;
        else cout<<"Lying"<<endl;
    }
    return 0;
}