oj.uz

Submission #845046

# Submission time Handle Problem Language Result Execution time Memory
845046 2023-09-06T11:38:41 Z JoksimKaktus Soccer Stadium (IOI23_soccer) C++17
22 / 100
 4500 ms 47524 KB 
#include "soccer.h"
#include "bits/stdc++.h"

using namespace std;

std::vector<std::vector<int>> f;

bool check(int i1,int j1,int i2,int j2){
    if(i1 < i2){
        int temp = i1;
        i1 = i2;
        i2 = temp;
        temp = j1;
        j1 = j2;
        j2 = temp;
    }
        bool way = true;
        for(int i = i1;i >= i2;i--){
            if(f[i][j1] == 1){
                way = false;
                break;
            }
        }
        if(way){
            if(j1 >= j2){
                for(int j = j1;j >= j2;j--){
                    if(f[i2][j] == 1){
                        way = false;
                        break;
                    }
                }
            }else{
                for(int j = j1;j <= j2;j++){
                    if(f[i2][j] == 1){
                        way = false;
                        break;
                    }
                }
            }
        }
        if(!way){
            way = true;
            if(j1 >= j2){
                for(int j = j1;j >= j2;j--){
                    if(f[i1][j] == 1){
                        way = false;
                        break;
                    }
                }
            }else{
                for(int j = j1;j <= j2;j++){
                    if(f[i1][j] == 1){
                        way = false;
                        break;
                    }
                }
            }
            if(way){
                for(int i = i1;i >= i2;i--){
                    if(f[i][j2] == 1){
                        return false;
                    }
                }
            }else{
                return false;
            }
        }
        return true;
}

int biggest_stadium(int N, std::vector<std::vector<int>> F)
{
    f = std::vector<std::vector<int>>(N, std::vector<int>(N, 0));
    for(int i = 0;i < N;i++){
        for(int j = 0;j < N;j++){
            f[i][j] = F[i][j];
        }
    }
    int n,s,e,w;
    n = N;
    s = 0;
    w = N;
    e = 0;
    int num = 0;
    int x;
    int y;
    for(int i = 0;i < N;i++){
        for(int j = 0;j < N;j++){
            if(F[i][j] == 1){
                x = i;
                y = j;
                num++;
            }
        }
    }
    if(num == 1 || num == 0){
        if(num == 0){
            return N*N;
        }
        int res = 0;
        res = max(res,N*N-((x+1)*(y+1)));
        res = max(res,N*N-((x+1)*(N-y)));
        res = max(res,N*N-((N-x)*(y+1)));
        res = max(res,N*N-((N-x)*(N-y)));
        return res;
    }
    for(int i = 0; i < N;i++){
        int con = 0;
        for(int j = 0;j < N;j++){
            if(F[i][j] == 1){
                if(con == 1){
                    con = 2;
                }
            }else{
                n = min(n,i);
                s = i;
                if(con == 0){
                    con = 1;
                }else if(con == 2){
                    return 1;
                }
            }
        }
    }
    for (int j = 0; j < N; j++) {
        int con = 0;
        for (int i = 0; i < N; i++) {
            if (F[i][j] == 1) {
                if (con == 1) {
                    con = 2;
                }
            } else {
                w = min(w, j);
                e = j;
                if (con == 0) {
                    con = 1;
                } else if (con == 2) {
                    return 1;
                }
            }
        }
    }
    for (int i = 0; i < N; i++) {
        if (F[i][w] == 0) {
            for (int i2 = 0; i2 < N; i2++) {
                for (int j2 = 0; j2 < N; j2++) {
                    if (F[i2][j2] == 0) {
                        if (!check(i, w, i2, j2)) {
                            return 1;
                        }
                    }
                }
            }
        }
        if (F[i][e] == 0) {
            for (int i2 = 0; i2 < N; i2++) {
                for (int j2 = 0; j2 < N; j2++) {
                    if (F[i2][j2] == 0) {
                        if (!check(i, e, i2, j2)) {
                            return 1;
                        }
                    }
                }
            }
        }
        if (F[n][i] == 0) {
            for (int i2 = 0; i2 < N; i2++) {
                for (int j2 = 0; j2 < N; j2++) {
                    if (F[i2][j2] == 0) {
                        if (!check(n, i, i2, j2)) {
                            return 1;
                        }
                    }
                }
            }
        }
        if (F[s][i] == 0) {
            for (int i2 = 0; i2 < N; i2++) {
                for (int j2 = 0; j2 < N; j2++) {
                    if (F[i2][j2] == 0) {
                        if (!check(s, i, i2, j2)) {
                            return 1;
                        }
                    }
                }
            }
        }
    }
    return N*N-num;
}
/*
7
1 1 1 0 1 1 1
1 1 1 0 0 1 1
1 1 0 0 0 0 0
1 0 0 0 0 0 0
1 1 0 0 1 1 1
1 1 0 0 1 1 1
1 1 0 0 1 1 1
 3
 1 0 0
 0 0 1
 0 0 0
 */

Compilation message

soccer.cpp: In function 'int biggest_stadium(int, std::vector<std::vector<int> >)':
soccer.cpp:102:36: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
  102 |         res = max(res,N*N-((x+1)*(N-y)));
      |                                  ~~^~~
soccer.cpp:103:30: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
  103 |         res = max(res,N*N-((N-x)*(y+1)));
      |                            ~~^~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB partial

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 344 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 344 KB ok
7 Correct 1 ms 344 KB ok
8 Correct 19 ms 3420 KB ok
9 Correct 263 ms 47376 KB ok

Subtask #2
2.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 344 KB ok
3 Partially correct 0 ms 344 KB partial
4 Partially correct 0 ms 344 KB partial
5 Partially correct 1 ms 344 KB partial
6 Partially correct 0 ms 344 KB partial
7 Partially correct 0 ms 344 KB partial
8 Correct 0 ms 344 KB ok
9 Correct 0 ms 344 KB ok
10 Partially correct 0 ms 344 KB partial
11 Partially correct 0 ms 344 KB partial
12 Partially correct 0 ms 344 KB partial
13 Correct 0 ms 344 KB ok

Subtask #3
5.5 / 22.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 344 KB ok
4 Partially correct 0 ms 344 KB partial
5 Partially correct 0 ms 344 KB partial
6 Partially correct 1 ms 344 KB partial
7 Partially correct 0 ms 344 KB partial
8 Partially correct 0 ms 344 KB partial
9 Correct 0 ms 344 KB ok
10 Correct 0 ms 344 KB ok
11 Partially correct 0 ms 344 KB partial
12 Partially correct 0 ms 344 KB partial
13 Partially correct 0 ms 344 KB partial
14 Correct 0 ms 344 KB ok
15 Partially correct 0 ms 344 KB partial
16 Partially correct 0 ms 344 KB partial
17 Partially correct 0 ms 344 KB partial
18 Partially correct 0 ms 344 KB partial
19 Partially correct 0 ms 344 KB partial
20 Correct 0 ms 344 KB ok
21 Correct 0 ms 348 KB ok
22 Partially correct 1 ms 344 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 0 ms 344 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 344 KB partial

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 344 KB ok
4 Correct 0 ms 344 KB ok
5 Correct 0 ms 348 KB ok
6 Partially correct 0 ms 344 KB partial
7 Partially correct 0 ms 344 KB partial
8 Partially correct 1 ms 344 KB partial
9 Partially correct 0 ms 344 KB partial
10 Partially correct 0 ms 344 KB partial
11 Correct 0 ms 344 KB ok
12 Correct 0 ms 344 KB ok
13 Partially correct 0 ms 344 KB partial
14 Partially correct 0 ms 344 KB partial
15 Partially correct 0 ms 344 KB partial
16 Correct 0 ms 344 KB ok
17 Partially correct 0 ms 344 KB partial
18 Partially correct 0 ms 344 KB partial
19 Partially correct 0 ms 344 KB partial
20 Partially correct 0 ms 344 KB partial
21 Partially correct 0 ms 344 KB partial
22 Correct 0 ms 344 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 1 ms 344 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 344 KB partial
27 Partially correct 0 ms 348 KB partial
28 Partially correct 0 ms 344 KB partial
29 Partially correct 1 ms 344 KB partial
30 Partially correct 0 ms 344 KB partial
31 Partially correct 0 ms 600 KB partial
32 Partially correct 0 ms 344 KB partial
33 Partially correct 1 ms 600 KB partial
34 Correct 0 ms 344 KB ok
35 Correct 1 ms 344 KB ok
36 Partially correct 0 ms 344 KB partial
37 Partially correct 0 ms 344 KB partial
38 Partially correct 0 ms 344 KB partial
39 Partially correct 0 ms 344 KB partial
40 Partially correct 0 ms 344 KB partial
41 Partially correct 0 ms 344 KB partial

Subtask #5
4.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 344 KB ok
4 Correct 0 ms 344 KB ok
5 Correct 0 ms 348 KB ok
6 Partially correct 0 ms 344 KB partial
7 Partially correct 0 ms 344 KB partial
8 Partially correct 1 ms 344 KB partial
9 Partially correct 0 ms 344 KB partial
10 Partially correct 0 ms 344 KB partial
11 Correct 0 ms 344 KB ok
12 Correct 0 ms 344 KB ok
13 Partially correct 0 ms 344 KB partial
14 Partially correct 0 ms 344 KB partial
15 Partially correct 0 ms 344 KB partial
16 Correct 0 ms 344 KB ok
17 Partially correct 0 ms 344 KB partial
18 Partially correct 0 ms 344 KB partial
19 Partially correct 0 ms 344 KB partial
20 Partially correct 0 ms 344 KB partial
21 Partially correct 0 ms 344 KB partial
22 Correct 0 ms 344 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 1 ms 344 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 344 KB partial
27 Partially correct 0 ms 348 KB partial
28 Partially correct 0 ms 344 KB partial
29 Partially correct 1 ms 344 KB partial
30 Partially correct 0 ms 344 KB partial
31 Partially correct 0 ms 600 KB partial
32 Partially correct 0 ms 344 KB partial
33 Partially correct 1 ms 600 KB partial
34 Correct 0 ms 344 KB ok
35 Correct 1 ms 344 KB ok
36 Partially correct 0 ms 344 KB partial
37 Partially correct 0 ms 344 KB partial
38 Partially correct 0 ms 344 KB partial
39 Partially correct 0 ms 344 KB partial
40 Partially correct 0 ms 344 KB partial
41 Partially correct 0 ms 344 KB partial
42 Partially correct 17 ms 3416 KB partial
43 Partially correct 17 ms 3408 KB partial
44 Partially correct 16 ms 3420 KB partial
45 Partially correct 16 ms 3416 KB partial
46 Partially correct 17 ms 3416 KB partial
47 Partially correct 19 ms 3672 KB partial
48 Correct 697 ms 3416 KB ok
49 Partially correct 16 ms 3416 KB partial
50 Partially correct 18 ms 3672 KB partial
51 Partially correct 20 ms 3220 KB partial
52 Partially correct 254 ms 3396 KB partial
53 Partially correct 160 ms 3420 KB partial
54 Partially correct 40 ms 3224 KB partial
55 Partially correct 618 ms 3416 KB partial
56 Partially correct 17 ms 3224 KB partial
57 Partially correct 21 ms 3152 KB partial
58 Partially correct 16 ms 3416 KB partial
59 Partially correct 16 ms 3416 KB partial

Subtask #6
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 344 KB ok
4 Correct 0 ms 344 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 0 ms 344 KB ok
8 Correct 1 ms 344 KB ok
9 Correct 19 ms 3420 KB ok
10 Correct 263 ms 47376 KB ok
11 Partially correct 0 ms 344 KB partial
12 Partially correct 0 ms 344 KB partial
13 Partially correct 1 ms 344 KB partial
14 Partially correct 0 ms 344 KB partial
15 Partially correct 0 ms 344 KB partial
16 Correct 0 ms 344 KB ok
17 Correct 0 ms 344 KB ok
18 Partially correct 0 ms 344 KB partial
19 Partially correct 0 ms 344 KB partial
20 Partially correct 0 ms 344 KB partial
21 Correct 0 ms 344 KB ok
22 Partially correct 0 ms 344 KB partial
23 Partially correct 0 ms 344 KB partial
24 Partially correct 0 ms 344 KB partial
25 Partially correct 0 ms 344 KB partial
26 Partially correct 0 ms 344 KB partial
27 Correct 0 ms 344 KB ok
28 Correct 0 ms 348 KB ok
29 Partially correct 1 ms 344 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 0 ms 344 KB partial
32 Partially correct 0 ms 348 KB partial
33 Partially correct 0 ms 344 KB partial
34 Partially correct 1 ms 344 KB partial
35 Partially correct 0 ms 344 KB partial
36 Partially correct 0 ms 600 KB partial
37 Partially correct 0 ms 344 KB partial
38 Partially correct 1 ms 600 KB partial
39 Correct 0 ms 344 KB ok
40 Correct 1 ms 344 KB ok
41 Partially correct 0 ms 344 KB partial
42 Partially correct 0 ms 344 KB partial
43 Partially correct 0 ms 344 KB partial
44 Partially correct 0 ms 344 KB partial
45 Partially correct 0 ms 344 KB partial
46 Partially correct 0 ms 344 KB partial
47 Partially correct 17 ms 3416 KB partial
48 Partially correct 17 ms 3408 KB partial
49 Partially correct 16 ms 3420 KB partial
50 Partially correct 16 ms 3416 KB partial
51 Partially correct 17 ms 3416 KB partial
52 Partially correct 19 ms 3672 KB partial
53 Correct 697 ms 3416 KB ok
54 Partially correct 16 ms 3416 KB partial
55 Partially correct 18 ms 3672 KB partial
56 Partially correct 20 ms 3220 KB partial
57 Partially correct 254 ms 3396 KB partial
58 Partially correct 160 ms 3420 KB partial
59 Partially correct 40 ms 3224 KB partial
60 Partially correct 618 ms 3416 KB partial
61 Partially correct 17 ms 3224 KB partial
62 Partially correct 21 ms 3152 KB partial
63 Partially correct 16 ms 3416 KB partial
64 Partially correct 16 ms 3416 KB partial
65 Partially correct 266 ms 47388 KB partial
66 Partially correct 287 ms 47380 KB partial
67 Partially correct 275 ms 47388 KB partial
68 Partially correct 270 ms 47440 KB partial
69 Partially correct 261 ms 47388 KB partial
70 Partially correct 257 ms 47524 KB partial
71 Partially correct 264 ms 47440 KB partial
72 Partially correct 266 ms 47440 KB partial
73 Execution timed out 4552 ms 47380 KB Time limit exceeded
74 Halted 0 ms 0 KB -