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Submission #1104565

# Submission time Handle Problem Language Result Execution time Memory
1104565 2024-10-24T03:51:42 Z TrinhKhanhDung Zemljište (COCI22_zemljiste) C++14
70 / 70
 367 ms 6716 KB 
#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define sz(x) (int)x.size()
#define ALL(v) v.begin(),v.end()
#define MASK(k) (1LL << (k))
#define BIT(x, i) (((x) >> (i)) & 1)
#define oo (ll)1e18
#define INF (ll)1e9
#define MOD (ll)(1e9 + 7)

using namespace std;

template<class T1, class T2>
    bool maximize(T1 &a, T2 b){if(a < b){a = b; return true;} return false;}

template<class T1, class T2>
    bool minimize(T1 &a, T2 b){if(a > b){a = b; return true;} return false;}

template<class T1, class T2>
    void add(T1 &a, T2 b){a += b; if(a >= MOD) a -= MOD;}

template<class T1, class T2>
    void sub(T1 &a, T2 b){a -= b; if(a < 0) a += MOD;}

template<class T>
    void cps(T &v){sort(ALL(v)); v.resize(unique(ALL(v)) - v.begin());}

//DON'T BELIEVE ANYONE WILL INSPIRE YOU ->  TRAIN HARDER ->  YOU WILL GET WHAT YOU WANT

const int MAX = 503;

int N, M, A, B;
ll a[MAX][MAX], pre[MAX][MAX];

void input(){
    cin >> N >> M >> A >> B;
    for(int i = 1; i <= N; i++){
        for(int j = 1; j <= M; j++){
            cin >> a[i][j];
            pre[i][j] = pre[i - 1][j] + a[i][j];
        }
    }
    if(A > B) swap(A, B);
}

void solve(){
    ll ans = oo;
    for(int u = 1; u <= N; u ++){
        for(int d = u; d <= N; d++){
            vector<ll> prefix(M + 3, 0);
            for(int i = 1; i <= M; i++){
                prefix[i] = prefix[i - 1] + pre[d][i] - pre[u - 1][i];
            }
            int j = 1, k = 1;
            for(int i = 1; i <= M; i++){
                while(prefix[i] - prefix[j] >= A) j++;
                while(prefix[i] - prefix[k] > B) k++;

                ll t = prefix[i] - prefix[j - 1];
                minimize(ans, abs(t - A) + abs(t - B));

                t = prefix[i] - prefix[k];
                minimize(ans, abs(t - A) + abs(t - B));
            }
        }
    }

    cout << ans << '\n';
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
     // freopen("DAUTU.inp","r",stdin);
     // freopen("DAUTU.out","w",stdout);

    input();
    solve();
//    return subtask4::solve(), 0;

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2556 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2556 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 3 ms 2640 KB Output is correct
11 Correct 5 ms 2808 KB Output is correct
12 Correct 4 ms 2640 KB Output is correct
13 Correct 5 ms 2640 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 5 ms 2640 KB Output is correct
16 Correct 5 ms 2640 KB Output is correct
17 Correct 5 ms 2896 KB Output is correct
18 Correct 4 ms 2640 KB Output is correct
19 Correct 4 ms 2640 KB Output is correct
20 Correct 4 ms 2896 KB Output is correct
21 Correct 4 ms 2640 KB Output is correct
22 Correct 4 ms 2640 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2556 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 3 ms 2640 KB Output is correct
11 Correct 5 ms 2808 KB Output is correct
12 Correct 4 ms 2640 KB Output is correct
13 Correct 5 ms 2640 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 5 ms 2640 KB Output is correct
16 Correct 5 ms 2640 KB Output is correct
17 Correct 5 ms 2896 KB Output is correct
18 Correct 4 ms 2640 KB Output is correct
19 Correct 4 ms 2640 KB Output is correct
20 Correct 4 ms 2896 KB Output is correct
21 Correct 4 ms 2640 KB Output is correct
22 Correct 4 ms 2640 KB Output is correct
23 Correct 335 ms 4408 KB Output is correct
24 Correct 352 ms 4176 KB Output is correct
25 Correct 307 ms 5928 KB Output is correct
26 Correct 315 ms 6716 KB Output is correct
27 Correct 207 ms 4388 KB Output is correct
28 Correct 313 ms 4176 KB Output is correct
29 Correct 305 ms 5448 KB Output is correct
30 Correct 305 ms 4176 KB Output is correct
31 Correct 45 ms 4176 KB Output is correct
32 Correct 306 ms 4176 KB Output is correct
33 Correct 304 ms 4176 KB Output is correct
34 Correct 338 ms 4428 KB Output is correct
35 Correct 312 ms 4520 KB Output is correct
36 Correct 324 ms 4176 KB Output is correct
37 Correct 310 ms 4168 KB Output is correct
38 Correct 367 ms 5192 KB Output is correct
39 Correct 343 ms 6208 KB Output is correct
40 Correct 326 ms 4176 KB Output is correct
41 Correct 289 ms 4176 KB Output is correct
42 Correct 280 ms 5572 KB Output is correct
43 Correct 277 ms 4412 KB Output is correct
44 Correct 278 ms 4408 KB Output is correct