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Submission #632409

# Submission time Handle Problem Language Result Execution time Memory
632409 2022-08-20T01:06:15 Z Hacv16 Zemljište (COCI22_zemljiste) C++17
70 / 70
 341 ms 7628 KB 
#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

const int MAX = 615;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;

#define pb push_back
#define sz(x) (int) x.size()
#define fr first
#define sc second
#define mp make_pair
#define all(x) x.begin(), x.end()
#define dbg(x) cerr << #x << ": " << "[ " << x << " ]\n"

ll n, m, a, b, t[MAX][MAX], ps[MAX][MAX];

ll query(int x, int y, int u, int v){
    return ps[u][v] - ps[x - 1][v] - ps[u][y - 1] + ps[x - 1][y - 1];
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); 

    cin >> n >> m >> a >> b;

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            cin >> t[i][j];
        }
    }    

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            ps[i][j] = ps[i - 1][j] + ps[i][j - 1] - ps[i - 1][j - 1] + t[i][j]; 
        }
    }

    ll ans = INF;
    if(a > b) swap(a, b);

    for(int i = 1; i <= n; i++){
         for(int j = i; j <= n; j++){
            ll p = 0;

            for(int k = 1; k <= m; k++){
                ll val = query(i, 1, j, k);
                while(p < k && val - query(i, 1, j, p) >= a) p++;
                
                if(p < k) ans = min(ans, abs(val - query(i, 1, j, p) - a) + abs(val - query(i, 1, j, p) - b));
                if(p >= 1) ans = min(ans, abs(val - query(i, 1, j, p - 1) - a) + abs(val - query(i, 1, j, p - 1) - b));
            }
         }
    }
       
    cout << ans << '\n';

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 328 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 2 ms 980 KB Output is correct
11 Correct 4 ms 1364 KB Output is correct
12 Correct 4 ms 1308 KB Output is correct
13 Correct 6 ms 1368 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 4 ms 1364 KB Output is correct
16 Correct 4 ms 1364 KB Output is correct
17 Correct 5 ms 1364 KB Output is correct
18 Correct 3 ms 1236 KB Output is correct
19 Correct 3 ms 1232 KB Output is correct
20 Correct 3 ms 1236 KB Output is correct
21 Correct 3 ms 1244 KB Output is correct
22 Correct 2 ms 1236 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 2 ms 980 KB Output is correct
11 Correct 4 ms 1364 KB Output is correct
12 Correct 4 ms 1308 KB Output is correct
13 Correct 6 ms 1368 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 4 ms 1364 KB Output is correct
16 Correct 4 ms 1364 KB Output is correct
17 Correct 5 ms 1364 KB Output is correct
18 Correct 3 ms 1236 KB Output is correct
19 Correct 3 ms 1232 KB Output is correct
20 Correct 3 ms 1236 KB Output is correct
21 Correct 3 ms 1244 KB Output is correct
22 Correct 2 ms 1236 KB Output is correct
23 Correct 276 ms 7552 KB Output is correct
24 Correct 341 ms 7548 KB Output is correct
25 Correct 281 ms 7560 KB Output is correct
26 Correct 289 ms 7500 KB Output is correct
27 Correct 190 ms 6688 KB Output is correct
28 Correct 278 ms 7448 KB Output is correct
29 Correct 282 ms 7552 KB Output is correct
30 Correct 281 ms 7576 KB Output is correct
31 Correct 48 ms 4820 KB Output is correct
32 Correct 286 ms 7552 KB Output is correct
33 Correct 280 ms 7552 KB Output is correct
34 Correct 306 ms 7500 KB Output is correct
35 Correct 281 ms 7552 KB Output is correct
36 Correct 280 ms 7628 KB Output is correct
37 Correct 272 ms 7552 KB Output is correct
38 Correct 277 ms 7548 KB Output is correct
39 Correct 298 ms 7552 KB Output is correct
40 Correct 280 ms 7552 KB Output is correct
41 Correct 174 ms 6300 KB Output is correct
42 Correct 183 ms 6288 KB Output is correct
43 Correct 193 ms 6288 KB Output is correct
44 Correct 164 ms 6288 KB Output is correct