P9457 魔法少女扶苏 (Hard Version)

#include 
using namespace std;
using VI = vector;
using PII = pair;
using ll = long long;
using ull = unsigned long long;



ll row[3010];
ll line[3010];
ll a[3010][3010];
int n,m,k;
int main(){
    cin>>n>>m>>k;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            scanf("%lld",&a[i][j]);
        }
    }

    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            row[i] += a[i][j];
        }
        //cout< q;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            //cout<

溢出整了半天