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Submission #1036082

# Submission time Handle Problem Language Result Execution time Memory
1036082 2024-07-27T03:28:13 Z vjudge1 Zemljište (COCI22_zemljiste) C++17
30 / 70
 2000 ms 4776 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];
        }
    }

    if (b < a) swap(a, b);

    ll ans = 1e18;
    for (ll i = 1; i <= n; i ++){
        for (ll j = 1; j <= m; j ++){
            for (ll x = i; x <= n; x ++){
                ll sm = f(i, j, x, j);
                ans = min(ans, abs(a - sm) + abs(b - sm));
                if (sm > b) break;
                
                ll l = j;
                ll r = m + 1;
                while (r - l > 1){
                    ll mid = (l + r) / 2;
                    if (f(i, j, x, mid) > b)
                        r = mid;
                    else
                        l = mid;
                }

                sm = f(i, j, x, l);
                ans = min(ans, abs(a - sm) + abs(b - sm));

                if (l < m) sm = f(i, j, x, l + 1);
                ans = min(ans, abs(a - sm) + abs(b - sm));
            }
        }
    }

    cout << ans << endl;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 436 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 436 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 3 ms 860 KB Output is correct
12 Correct 5 ms 860 KB Output is correct
13 Correct 5 ms 860 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 3 ms 708 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 860 KB Output is correct
18 Correct 13 ms 732 KB Output is correct
19 Correct 13 ms 880 KB Output is correct
20 Correct 14 ms 860 KB Output is correct
21 Correct 14 ms 860 KB Output is correct
22 Correct 13 ms 880 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 436 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 3 ms 860 KB Output is correct
12 Correct 5 ms 860 KB Output is correct
13 Correct 5 ms 860 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 3 ms 708 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 860 KB Output is correct
18 Correct 13 ms 732 KB Output is correct
19 Correct 13 ms 880 KB Output is correct
20 Correct 14 ms 860 KB Output is correct
21 Correct 14 ms 860 KB Output is correct
22 Correct 13 ms 880 KB Output is correct
23 Correct 80 ms 4620 KB Output is correct
24 Correct 72 ms 4688 KB Output is correct
25 Correct 74 ms 4688 KB Output is correct
26 Correct 77 ms 4664 KB Output is correct
27 Correct 49 ms 3920 KB Output is correct
28 Correct 73 ms 4676 KB Output is correct
29 Correct 69 ms 4688 KB Output is correct
30 Correct 71 ms 4756 KB Output is correct
31 Correct 10 ms 2396 KB Output is correct
32 Correct 68 ms 4676 KB Output is correct
33 Correct 67 ms 4692 KB Output is correct
34 Correct 72 ms 4736 KB Output is correct
35 Correct 71 ms 4692 KB Output is correct
36 Correct 72 ms 4688 KB Output is correct
37 Correct 75 ms 4692 KB Output is correct
38 Correct 73 ms 4776 KB Output is correct
39 Correct 71 ms 4696 KB Output is correct
40 Correct 78 ms 4688 KB Output is correct
41 Execution timed out 2021 ms 3416 KB Time limit exceeded
42 Halted 0 ms 0 KB -