HDU 5480 Conturbatio

区间求和不更新，开个数组记录一下前缀和就可以了

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

const int maxn=+;
int R[maxn],C[maxn];
int sumR[maxn],sumC[maxn];

int main()
{
    int T;
    scanf("%d",&T);
    while(T--)
    {
        int n,m,K,Q;
        memset(R,,sizeof R);
        memset(C,,sizeof C);
        memset(sumR,,sizeof sumR);
        memset(sumC,,sizeof sumC);
        scanf("%d%d%d%d",&n,&m,&K,&Q);

        for(int i=;i<=K;i++)
        {
            int x,y;
            scanf("%d%d",&x,&y);
            R[x]=;
            C[y]=;
        }
        sumR[]=R[];
        for(int i=;i<=n;i++) sumR[i]=sumR[i-]+R[i];

        sumC[]=C[];
        for(int i=;i<=m;i++) sumC[i]=sumC[i-]+C[i];

        for(int i=;i<=Q;i++)
        {
            int x1,y1,x2,y2;
            scanf("%d%d%d%d",&x1,&y1,&x2,&y2);
            if(sumR[x2]-sumR[x1-]==x2-(x1-)||sumC[y2]-sumC[y1-]==y2-(y1-)) printf("Yes\n");
            else printf("No\n");
        }
    }

    return ;
}