2018.7.23模拟考试

#include<iostream>
#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<cmath>
#include<algorithm>
#include<ctime>
#define ll long long
using namespace std;
ll n,m;
ll ans,suma[2010][2010],sumb[2010][2010];
ll read()
{
    ll f=1;ll x=0;char s=getchar();
    while(s<‘0‘||s>‘9‘){if(s==‘-‘)f=-1;s=getchar();}
    while(s>=‘0‘&&s<=‘9‘){x=x*10+s-‘0‘;s=getchar();}
    x*=f;return x;
}
int main()
{
//    system("CreatRand.exe");
    freopen("matrix.in","r",stdin);
    freopen("matrix.out","w",stdout);
//    ll st=clock();
    n=read(),m=read();
    for(ll i=1;i<=n;i++)
        for(ll j=1;j<=n;j++)
            suma[i][j]=read(),suma[i][j]+=suma[i-1][j];
    for(ll i=1;i<=n;i++)
        for(ll j=1;j<=n;j++)
            sumb[i][j]=read(),sumb[i][j]+=sumb[i][j-1];
    for(ll i=1;i<=m;i++)
    {
        ans=0;
        ll xa=read(),ya=read(),xb=read(),yb=read();
        if(xa>xb) swap(xa,xb);
        if(ya>yb) swap(ya,yb);
        for(ll i=1;i<=n;i++)
            ans+=(suma[xb][i]-suma[xa-1][i])*(sumb[i][yb]-sumb[i][ya-1]);
        printf("%lld\n",ans);
    }
//    ll ed=clock();
//    printf("%lld\n",ed-st);
    return 0;
}