oj.uz

답안 #1036079

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1036079 2024-07-27T03:25:07 Z vjudge1 Zemljište (COCI22_zemljiste) C++17
0 / 70
 1 ms 348 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const ll N = 505;
ll n, m, a, b, mat[N][N];

ll f(ll i, ll j, ll x, ll y){
    return mat[x][y] - mat[x][j - 1] - mat[i - 1][y] + mat[i - 1][j - 1];
}

int main(){
    cin >> n >> m >> a >> b;
    for (ll i = 1; i <= n; i ++){
        for (ll j = 1; j <= m; j ++){
            cin >> mat[i][j];

            mat[i][j] += mat[i - 1][j];
            mat[i][j] += mat[i][j - 1];
            mat[i][j] -= mat[i - 1][j - 1];
        }
    }

    ll ans = 1e18;
    for (int i = 1; i <= n; i ++){
        for (int j = 1; j <= m; j ++){
            for (int x = i; x <= n; x ++){
                for (int y = j; y <= m; y ++){
                    ll sm = f(i, j, x, y);
                    if (sm > b) continue;
                    ans = min(ans, abs(sm - a) + abs(sm - b));
                    if (y < m) sm = f(i, j, x, y + 1);
                    ans = min(ans, abs(sm - a) + abs(sm - b));
                    
                }
            }
        }
    }

    cout << ans << endl;
}

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -