oj.uz

Submission #937645

# Submission time Handle Problem Language Result Execution time Memory
937645 2024-03-04T10:08:18 Z Wansur Soccer Stadium (IOI23_soccer) C++17
49.5 / 100
 220 ms 37896 KB 
#include <bits/stdc++.h>
#define f first
#define s second
#define ent '\n'

#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")

typedef long long ll;
using namespace std;
struct seg{
    int m1,m2,sum,cnt;
};

const string out[2]={"NO\n","YES\n"};

const ll dx[]={0,1,0,-1,-1,1,1,-1};
const ll dy[]={1,0,-1,0,-1,1,-1,1};
const int mod=998244353;
const int md=1e9+7;
const int mx=2e3+12;
const bool T=0;

int dp[61][61][61][61];
int pref[61][61];
int n;

int get(int i,int l,int r){
    if(!l)return pref[i][r];
    return pref[i][r]-pref[i][l-1];
}

int biggest_stadium(int N, vector<vector<int>> a) {
    n = N;
    if (n > 30) {
        return 0;
    }
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            pref[i][j] = a[i][j];
            if (j)pref[i][j] += pref[i][j - 1];
        }
    }
    int ans=0;
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            for(int l=0;l<n;l++){
                for(int r=0;r<n;r++){
                    dp[i][j][l][r]=-1e9;
                }
            }
        }
    }
    for(int i=0;i<n;i++){
        for(int l=0;l<n;l++){
            for(int r=l;r<n;r++){
                if(a[i][r])break;
                ans=max(ans,r-l+1);
                dp[i][i][l][r]=r-l+1;
            }
        }
    }
    for(int len=2;len<=n;len++){
        for(int i=0;i+len-1<n;i++){
            int j=i+len-1;
            for(int len=1;len<=n;len++){
                for(int l=0;l+len-1<n;l++){
                    int r=l+len-1;
                    if(!get(i,l,r)){
                        for(int tl=l;tl>=0;tl--){
                            for(int tr=r;tr<n;tr++){
                                dp[i][j][l][r]=max(dp[i][j][l][r], dp[i+1][j][tl][tr] + r-l+1);
                            }
                        }
                    }
                    if(!get(j,l,r)){
                        for(int tl=l;tl>=0;tl--){
                            for(int tr=r;tr<n;tr++){
                                dp[i][j][l][r]=max(dp[i][j][l][r], dp[i][j-1][tl][tr] + r-l+1);
                            }
                        }
                    }
                    ans=max(ans,dp[i][j][l][r]);
                }
            }
        }
    }
    return ans;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok

Subtask #1
1.5 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB ok
2 Correct 1 ms 2396 KB ok
3 Correct 1 ms 8692 KB ok
4 Correct 1 ms 8540 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 1 ms 2396 KB ok
7 Partially correct 1 ms 348 KB partial
8 Partially correct 14 ms 2904 KB partial
9 Partially correct 220 ms 37896 KB partial

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB ok
2 Correct 1 ms 2396 KB ok
3 Correct 1 ms 2392 KB ok
4 Correct 1 ms 2648 KB ok
5 Correct 1 ms 2396 KB ok
6 Correct 1 ms 2396 KB ok
7 Correct 0 ms 2396 KB ok
8 Correct 1 ms 2396 KB ok
9 Correct 1 ms 2396 KB ok
10 Correct 1 ms 2396 KB ok
11 Correct 1 ms 2396 KB ok
12 Correct 1 ms 2396 KB ok
13 Correct 1 ms 2396 KB ok

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 2396 KB ok
3 Correct 1 ms 2396 KB ok
4 Correct 1 ms 2392 KB ok
5 Correct 1 ms 2648 KB ok
6 Correct 1 ms 2396 KB ok
7 Correct 1 ms 2396 KB ok
8 Correct 0 ms 2396 KB ok
9 Correct 1 ms 2396 KB ok
10 Correct 1 ms 2396 KB ok
11 Correct 1 ms 2396 KB ok
12 Correct 1 ms 2396 KB ok
13 Correct 1 ms 2396 KB ok
14 Correct 1 ms 2396 KB ok
15 Correct 1 ms 6492 KB ok
16 Correct 1 ms 6492 KB ok
17 Correct 1 ms 6492 KB ok
18 Correct 1 ms 6492 KB ok
19 Correct 1 ms 6492 KB ok
20 Correct 1 ms 6688 KB ok
21 Correct 1 ms 6492 KB ok
22 Correct 1 ms 6492 KB ok
23 Correct 1 ms 6492 KB ok
24 Correct 1 ms 6492 KB ok
25 Correct 1 ms 6492 KB ok
26 Correct 1 ms 6492 KB ok

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 2396 KB ok
3 Correct 1 ms 2396 KB ok
4 Correct 1 ms 8692 KB ok
5 Correct 1 ms 8540 KB ok
6 Correct 1 ms 2392 KB ok
7 Correct 1 ms 2648 KB ok
8 Correct 1 ms 2396 KB ok
9 Correct 1 ms 2396 KB ok
10 Correct 0 ms 2396 KB ok
11 Correct 1 ms 2396 KB ok
12 Correct 1 ms 2396 KB ok
13 Correct 1 ms 2396 KB ok
14 Correct 1 ms 2396 KB ok
15 Correct 1 ms 2396 KB ok
16 Correct 1 ms 2396 KB ok
17 Correct 1 ms 6492 KB ok
18 Correct 1 ms 6492 KB ok
19 Correct 1 ms 6492 KB ok
20 Correct 1 ms 6492 KB ok
21 Correct 1 ms 6492 KB ok
22 Correct 1 ms 6688 KB ok
23 Correct 1 ms 6492 KB ok
24 Correct 1 ms 6492 KB ok
25 Correct 1 ms 6492 KB ok
26 Correct 1 ms 6492 KB ok
27 Correct 1 ms 6492 KB ok
28 Correct 1 ms 6492 KB ok
29 Correct 1 ms 6492 KB ok
30 Correct 21 ms 27228 KB ok
31 Correct 14 ms 27224 KB ok
32 Correct 7 ms 27256 KB ok
33 Correct 5 ms 27228 KB ok
34 Correct 7 ms 27196 KB ok
35 Correct 11 ms 27224 KB ok
36 Correct 6 ms 27224 KB ok
37 Correct 7 ms 27224 KB ok
38 Correct 8 ms 27016 KB ok
39 Correct 8 ms 27228 KB ok
40 Correct 22 ms 27252 KB ok
41 Correct 25 ms 27228 KB ok

Subtask #5
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 2396 KB ok
3 Correct 1 ms 2396 KB ok
4 Correct 1 ms 8692 KB ok
5 Correct 1 ms 8540 KB ok
6 Correct 1 ms 2392 KB ok
7 Correct 1 ms 2648 KB ok
8 Correct 1 ms 2396 KB ok
9 Correct 1 ms 2396 KB ok
10 Correct 0 ms 2396 KB ok
11 Correct 1 ms 2396 KB ok
12 Correct 1 ms 2396 KB ok
13 Correct 1 ms 2396 KB ok
14 Correct 1 ms 2396 KB ok
15 Correct 1 ms 2396 KB ok
16 Correct 1 ms 2396 KB ok
17 Correct 1 ms 6492 KB ok
18 Correct 1 ms 6492 KB ok
19 Correct 1 ms 6492 KB ok
20 Correct 1 ms 6492 KB ok
21 Correct 1 ms 6492 KB ok
22 Correct 1 ms 6688 KB ok
23 Correct 1 ms 6492 KB ok
24 Correct 1 ms 6492 KB ok
25 Correct 1 ms 6492 KB ok
26 Correct 1 ms 6492 KB ok
27 Correct 1 ms 6492 KB ok
28 Correct 1 ms 6492 KB ok
29 Correct 1 ms 6492 KB ok
30 Correct 21 ms 27228 KB ok
31 Correct 14 ms 27224 KB ok
32 Correct 7 ms 27256 KB ok
33 Correct 5 ms 27228 KB ok
34 Correct 7 ms 27196 KB ok
35 Correct 11 ms 27224 KB ok
36 Correct 6 ms 27224 KB ok
37 Correct 7 ms 27224 KB ok
38 Correct 8 ms 27016 KB ok
39 Correct 8 ms 27228 KB ok
40 Correct 22 ms 27252 KB ok
41 Correct 25 ms 27228 KB ok
42 Partially correct 14 ms 2396 KB partial
43 Partially correct 14 ms 2304 KB partial
44 Partially correct 16 ms 2396 KB partial
45 Partially correct 17 ms 2212 KB partial
46 Partially correct 15 ms 2396 KB partial
47 Partially correct 14 ms 2392 KB partial
48 Incorrect 14 ms 2396 KB wrong
49 Halted 0 ms 0 KB -

Subtask #6
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 2396 KB ok
3 Correct 1 ms 2396 KB ok
4 Correct 1 ms 8692 KB ok
5 Correct 1 ms 8540 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 1 ms 2396 KB ok
8 Partially correct 1 ms 348 KB partial
9 Partially correct 14 ms 2904 KB partial
10 Partially correct 220 ms 37896 KB partial
11 Correct 1 ms 2392 KB ok
12 Correct 1 ms 2648 KB ok
13 Correct 1 ms 2396 KB ok
14 Correct 1 ms 2396 KB ok
15 Correct 0 ms 2396 KB ok
16 Correct 1 ms 2396 KB ok
17 Correct 1 ms 2396 KB ok
18 Correct 1 ms 2396 KB ok
19 Correct 1 ms 2396 KB ok
20 Correct 1 ms 2396 KB ok
21 Correct 1 ms 2396 KB ok
22 Correct 1 ms 6492 KB ok
23 Correct 1 ms 6492 KB ok
24 Correct 1 ms 6492 KB ok
25 Correct 1 ms 6492 KB ok
26 Correct 1 ms 6492 KB ok
27 Correct 1 ms 6688 KB ok
28 Correct 1 ms 6492 KB ok
29 Correct 1 ms 6492 KB ok
30 Correct 1 ms 6492 KB ok
31 Correct 1 ms 6492 KB ok
32 Correct 1 ms 6492 KB ok
33 Correct 1 ms 6492 KB ok
34 Correct 1 ms 6492 KB ok
35 Correct 21 ms 27228 KB ok
36 Correct 14 ms 27224 KB ok
37 Correct 7 ms 27256 KB ok
38 Correct 5 ms 27228 KB ok
39 Correct 7 ms 27196 KB ok
40 Correct 11 ms 27224 KB ok
41 Correct 6 ms 27224 KB ok
42 Correct 7 ms 27224 KB ok
43 Correct 8 ms 27016 KB ok
44 Correct 8 ms 27228 KB ok
45 Correct 22 ms 27252 KB ok
46 Correct 25 ms 27228 KB ok
47 Partially correct 14 ms 2396 KB partial
48 Partially correct 14 ms 2304 KB partial
49 Partially correct 16 ms 2396 KB partial
50 Partially correct 17 ms 2212 KB partial
51 Partially correct 15 ms 2396 KB partial
52 Partially correct 14 ms 2392 KB partial
53 Incorrect 14 ms 2396 KB wrong
54 Halted 0 ms 0 KB -