oj.uz

Submission #842246

# Submission time Handle Problem Language Result Execution time Memory
842246 2023-09-02T16:01:02 Z WongChun1234 Soccer Stadium (IOI23_soccer) C++17
64 / 100
 546 ms 98520 KB 
#include "soccer.h"
#include<bits/stdc++.h>
using namespace std;
const int N=550;
int n,psum[N][N],l[N][N],r[N][N],currl[N][N],currr[N][N],dp[N][N],ans;
vector<vector<int>> f;
int get(int _x1,int _y1,int _x2,int _y2){
    if (_x1>_x2) swap(_x1,_x2);
    if (_y1>_y2) swap(_y1,_y2);
    return psum[_x2][_y2]-psum[_x1-1][_y2]-psum[_x2][_y1-1]+psum[_x1-1][_y1+1];
}

int biggest_stadium(int N, vector<vector<int>> F) {
    n=N;
    f=F;
    for (int i=1;i<=n;i++) for (int j=1;j<=n;j++){
        psum[i][j]=psum[i-1][j]+psum[i][j-1]+F[i-1][j-1]-psum[i-1][j-1];
    }
    //l: first block r: last space
    for (int i=1;i<=n;i++){
        l[i][0]=0;
        for (int j=1;j<=n;j++) l[i][j]=(F[i-1][j-1]?j:l[i][j-1]);
        r[i][n+1]=n;
        for (int j=n;j>=1;j--) r[i][j]=(F[i-1][j-1]?j-1:r[i][j+1]);
    }
    for (int y=1;y<=n;y++){
        for (int i=1;i<=n;i++) currl[i][i]=l[i][y],currr[i][i]=r[i][y];
        for (int i=n;i>=1;i--) for (int j=i+1;j<=n;j++){
            currl[i][j]=max(currl[i+1][j],currl[i][j-1]);
            currr[i][j]=min(currr[i+1][j],currr[i][j-1]);
        }
        for (int i=1;i<=n;i++) for (int j=1;j<=n;j++) dp[i][j]=0;
        for (int i=1;i<=n;i++) dp[i][i]=currr[i][i]-currl[i][i];
        for (int i=n;i>=1;i--) for (int j=i+1;j<=n;j++){
            dp[i][j]=max(dp[i+1][j],dp[i][j-1]);
            dp[i][j]=max(dp[i][j],dp[i+1][j]+currr[i][j]-currl[i][j]);
            dp[i][j]=max(dp[i][j],dp[i][j-1]+currr[i][j]-currl[i][j]);
        }
        ans=max(ans,dp[1][n]);
    }
    return ans;
}

Subtask #0
0.0 / 0.0

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

Subtask #1
0.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 4444 KB ok
3 Correct 1 ms 4444 KB ok
4 Correct 1 ms 4444 KB ok
5 Correct 1 ms 4444 KB ok
6 Correct 1 ms 4444 KB ok
7 Correct 6 ms 5212 KB ok
8 Correct 543 ms 10200 KB ok
9 Runtime error 314 ms 98520 KB Execution killed with signal 11
10 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 4444 KB ok
3 Correct 1 ms 4444 KB ok
4 Correct 1 ms 4444 KB ok
5 Correct 1 ms 4440 KB ok
6 Correct 1 ms 4444 KB ok
7 Correct 1 ms 4444 KB ok
8 Correct 0 ms 4452 KB ok
9 Correct 1 ms 4696 KB ok
10 Correct 1 ms 4444 KB ok
11 Correct 1 ms 4444 KB ok
12 Correct 1 ms 4444 KB ok
13 Correct 1 ms 4444 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 4444 KB ok
3 Correct 1 ms 4444 KB ok
4 Correct 1 ms 4444 KB ok
5 Correct 1 ms 4444 KB ok
6 Correct 1 ms 4440 KB ok
7 Correct 1 ms 4444 KB ok
8 Correct 1 ms 4444 KB ok
9 Correct 0 ms 4452 KB ok
10 Correct 1 ms 4696 KB ok
11 Correct 1 ms 4444 KB ok
12 Correct 1 ms 4444 KB ok
13 Correct 1 ms 4444 KB ok
14 Correct 1 ms 4444 KB ok
15 Correct 1 ms 4452 KB ok
16 Correct 1 ms 4456 KB ok
17 Correct 1 ms 4456 KB ok
18 Correct 1 ms 4444 KB ok
19 Correct 1 ms 4444 KB ok
20 Correct 1 ms 4444 KB ok
21 Correct 1 ms 4444 KB ok
22 Correct 1 ms 4444 KB ok
23 Correct 1 ms 4444 KB ok
24 Correct 1 ms 4444 KB ok
25 Correct 1 ms 4444 KB ok
26 Correct 1 ms 4444 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 4444 KB ok
3 Correct 1 ms 4444 KB ok
4 Correct 1 ms 4444 KB ok
5 Correct 1 ms 4444 KB ok
6 Correct 1 ms 4444 KB ok
7 Correct 1 ms 4444 KB ok
8 Correct 1 ms 4440 KB ok
9 Correct 1 ms 4444 KB ok
10 Correct 1 ms 4444 KB ok
11 Correct 0 ms 4452 KB ok
12 Correct 1 ms 4696 KB ok
13 Correct 1 ms 4444 KB ok
14 Correct 1 ms 4444 KB ok
15 Correct 1 ms 4444 KB ok
16 Correct 1 ms 4444 KB ok
17 Correct 1 ms 4452 KB ok
18 Correct 1 ms 4456 KB ok
19 Correct 1 ms 4456 KB ok
20 Correct 1 ms 4444 KB ok
21 Correct 1 ms 4444 KB ok
22 Correct 1 ms 4444 KB ok
23 Correct 1 ms 4444 KB ok
24 Correct 1 ms 4444 KB ok
25 Correct 1 ms 4444 KB ok
26 Correct 1 ms 4444 KB ok
27 Correct 1 ms 4444 KB ok
28 Correct 1 ms 4444 KB ok
29 Correct 1 ms 4444 KB ok
30 Correct 1 ms 4700 KB ok
31 Correct 1 ms 4700 KB ok
32 Correct 1 ms 4700 KB ok
33 Correct 1 ms 4700 KB ok
34 Correct 1 ms 4700 KB ok
35 Correct 1 ms 4700 KB ok
36 Correct 1 ms 4700 KB ok
37 Correct 1 ms 4952 KB ok
38 Correct 1 ms 4700 KB ok
39 Correct 1 ms 4756 KB ok
40 Correct 1 ms 4700 KB ok
41 Correct 1 ms 4700 KB ok

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 4444 KB ok
3 Correct 1 ms 4444 KB ok
4 Correct 1 ms 4444 KB ok
5 Correct 1 ms 4444 KB ok
6 Correct 1 ms 4444 KB ok
7 Correct 1 ms 4444 KB ok
8 Correct 1 ms 4440 KB ok
9 Correct 1 ms 4444 KB ok
10 Correct 1 ms 4444 KB ok
11 Correct 0 ms 4452 KB ok
12 Correct 1 ms 4696 KB ok
13 Correct 1 ms 4444 KB ok
14 Correct 1 ms 4444 KB ok
15 Correct 1 ms 4444 KB ok
16 Correct 1 ms 4444 KB ok
17 Correct 1 ms 4452 KB ok
18 Correct 1 ms 4456 KB ok
19 Correct 1 ms 4456 KB ok
20 Correct 1 ms 4444 KB ok
21 Correct 1 ms 4444 KB ok
22 Correct 1 ms 4444 KB ok
23 Correct 1 ms 4444 KB ok
24 Correct 1 ms 4444 KB ok
25 Correct 1 ms 4444 KB ok
26 Correct 1 ms 4444 KB ok
27 Correct 1 ms 4444 KB ok
28 Correct 1 ms 4444 KB ok
29 Correct 1 ms 4444 KB ok
30 Correct 1 ms 4700 KB ok
31 Correct 1 ms 4700 KB ok
32 Correct 1 ms 4700 KB ok
33 Correct 1 ms 4700 KB ok
34 Correct 1 ms 4700 KB ok
35 Correct 1 ms 4700 KB ok
36 Correct 1 ms 4700 KB ok
37 Correct 1 ms 4952 KB ok
38 Correct 1 ms 4700 KB ok
39 Correct 1 ms 4756 KB ok
40 Correct 1 ms 4700 KB ok
41 Correct 1 ms 4700 KB ok
42 Correct 540 ms 10208 KB ok
43 Correct 546 ms 10200 KB ok
44 Correct 542 ms 10204 KB ok
45 Correct 537 ms 10200 KB ok
46 Correct 541 ms 10208 KB ok
47 Correct 537 ms 10076 KB ok
48 Correct 538 ms 10204 KB ok
49 Correct 535 ms 10076 KB ok
50 Correct 536 ms 10072 KB ok
51 Correct 536 ms 10076 KB ok
52 Correct 534 ms 10396 KB ok
53 Correct 535 ms 10200 KB ok
54 Correct 540 ms 10072 KB ok
55 Correct 541 ms 10324 KB ok
56 Correct 537 ms 10196 KB ok
57 Correct 540 ms 10196 KB ok
58 Correct 535 ms 10200 KB ok
59 Correct 535 ms 10076 KB ok

Subtask #6
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB ok
2 Correct 1 ms 4444 KB ok
3 Correct 1 ms 4444 KB ok
4 Correct 1 ms 4444 KB ok
5 Correct 1 ms 4444 KB ok
6 Correct 1 ms 4444 KB ok
7 Correct 1 ms 4444 KB ok
8 Correct 6 ms 5212 KB ok
9 Correct 543 ms 10200 KB ok
10 Runtime error 314 ms 98520 KB Execution killed with signal 11
11 Halted 0 ms 0 KB -