제출 #1090730

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1090730		Kuzeuy54_	Zemljište (COCI22_zemljiste)	C++17	70 / 70	340 ms	6516 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define inf 1e18
#define int long long
const int mod=1e9+7;
const int N=501;
int mat[N][N], dp[N][N];
inline int toplam(int x1,int y1,int x2,int y2){
	return dp[x2][y2]-dp[x1-1][y2]-dp[x2][y1-1]+dp[x1-1][y1-1];
}
int32_t main(){
	cin.tie(0)->sync_with_stdio(0);
	int x,y,a,b;
	cin>>x>>y>>a>>b;
	if(a>b)
		swap(a,b);
	for(int i=1;i<=x;i++)
		for(int j=1;j<=y;j++){
			cin>>mat[i][j];
			dp[i][j]=mat[i][j]+dp[i-1][j]+dp[i][j-1]-dp[i-1][j-1];
		}
	int ans=inf;
	for(int i=1;i<=x;i++)
		for(int j=1;j<=x;j++){
			int l=1,r=1;
			while(r<=y){
				int suan=toplam(i,l,j,r);
				ans=min(ans,abs(a-suan)+abs(b-suan));
				if(suan>b){
					l++;
					if(l>r)
						r++;
				}
				else if(suan>=a){
					cout<<b-a<<"\n";
					return 0;
				}
				else
					r++;
			}
		}
	cout<<ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 40 / 40