oj.uz

Submission #1023819

# Submission time Handle Problem Language Result Execution time Memory
1023819 2024-07-15T06:54:26 Z LIF Soccer Stadium (IOI23_soccer) C++17
29.5 / 100
 602 ms 557324 KB 
#include "soccer.h"
#include<bits/stdc++.h>
using namespace std;
int FF[2005][2005];
bool vis[2005][2005];
int n;
void dfs(int i,int j)
{
    vis[i][j] = true;
    if(i+1 <= n && vis[i+1][j] == false && FF[i+1][j] == 0)dfs(i+1,j);
    if(j+1 <= n && vis[i][j+1] == false && FF[i][j+1] == 0)dfs(i,j+1);
    if(i-1 >= 1 && vis[i-1][j] == false && FF[i-1][j] == 0)dfs(i-1,j);
    if(j-1 >= 1 && vis[i][j-1] == false && FF[i][j-1] == 0)dfs(i,j-1);
    return;
}
int biggest_stadium(int N, vector<vector<int>> F)
{
    n = N;
    for(int i=0;i<F.size();i++)
    {
        for(int j=0;j<F[i].size();j++)FF[i+1][j+1] = F[i][j];
    }
    int exis = 0;
    int ii = -1;
    int jj = -1;
    for(int i=1;i<=N;i++)
    {
        for(int j=1;j<=N;j++)
        {
            if(FF[i][j] == 1)
            {
                exis++;
                ii = i;
                jj = j;
            }
        }
    }
    if(exis == 0)return N*N;
    if(exis == 1)
    {
        int ans1 = 0;
        int ans2 = 0;
        int ans3 = 0;
        int ans4 = 0;
        for(int i=1;i<=N;i++)
        {
            for(int j=1;j<=N;j++)
            {
                if((j > jj) || (i > ii))ans1++;
                if((j < jj) || (i < ii))ans2++;
                if((j > jj) || (i < ii))ans3++;
                if((j < jj) || (i > ii))ans4++;
            }
        }
        return max(max(ans1,ans2),max(ans3,ans4));
    }
    else
    {
        int all = 0;
        for(int i=1;i<=N;i++)
        {
            for(int j=1;j<=N;j++)if(FF[i][j] == 0)all++;
        }
        int cnt1 = 0;
        //第一步，測試是否有多於一個連通塊
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
            {
                if(vis[i][j] == false && FF[i][j] == 0)
                {
                    cnt1++;
                    dfs(i,j);
                }
            }
        }
        if(cnt1 >= 2)return -1; // 即多於一個連通塊，隨便返回
        //第二步，測試同一行 / 同一列是否有多於一個連通塊
        bool flag2 = true;
        for(int i=1;i<=N;i++)
        {
            int cnt2 = 0;
            for(int j=1;j<=N;j++)
            {
                if(FF[i][j] == 1)continue;
                while(FF[i][j+1] == 0 && j+1 <= N)j++;
                cnt2++;
                if(cnt2 >= 2)flag2 = false;
            }
        }
        if(flag2 == false)return -2;
        for(int j=1;j<=N;j++)
        {
            int cnt2 = 0;
            for(int i=1;i<=N;i++)
            {
                if(FF[i][j] == 1)continue;
                while(FF[i+1][j] == 0 && i+1 <= N)i++;
                cnt2++;
                if(cnt2 >= 2)flag2 = false;
            }
        }
        if(flag2 == false)return -3;
        //第三步，處理區間；
        vector<pair<int,int> > row;
        for(int i=1;i<=N;i++)
        {
            for(int j=1;j<=N;j++)
            {
                if(FF[i][j] == 1)continue;
                int fir = j;
                while(FF[i][j+1] == 0 && j+1 <= N)j++;
                row.push_back(make_pair(fir,0-j));
            }
        }
        sort(row.begin(),row.end());
        /*for(int i=0;i<row.size();i++)cout<<row[i].first<<" "<<row[i].second<<endl;
        cout<<endl;*/

        bool flag3 = true;
        for(int i=1;i<row.size();i++)
        {
            if((0-row[i].second) > (0-row[i-1].second) && row[i].first != row[i-1].first)flag3 = false;
        }
        if(flag3 == false)return -4;

        vector<pair<int,int> > column;
        for(int j=1;j<=n;j++)
        {
            for(int i=1;i<=n;i++)
            {
                if(FF[i][j] == 1)continue;
                int fir = i;
                while(FF[i+1][j] == 0 && i+1 <= n)i++;
                column.push_back(make_pair(fir,0-i));
            }
        }
        sort(column.begin(),column.end());
        bool flag4 = true;
        for(int i=1;i<column.size();i++)
        {
            if((0-column[i].second) > (0-column[i-1].second) && column[i].first != column[i-1].first)flag4 = false;
        }
        if(flag4 == false)return -5;
        return all;


    }
    
}

Compilation message

soccer.cpp: In function 'int biggest_stadium(int, std::vector<std::vector<int> >)':
soccer.cpp:19:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int i=0;i<F.size();i++)
      |                 ~^~~~~~~~~
soccer.cpp:21:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         for(int j=0;j<F[i].size();j++)FF[i+1][j+1] = F[i][j];
      |                     ~^~~~~~~~~~~~
soccer.cpp:121:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  121 |         for(int i=1;i<row.size();i++)
      |                     ~^~~~~~~~~~~
soccer.cpp:140:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  140 |         for(int i=1;i<column.size();i++)
      |                     ~^~~~~~~~~~~~~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 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 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 440 KB ok
6 Correct 0 ms 348 KB ok
7 Correct 1 ms 968 KB ok
8 Correct 15 ms 5844 KB ok
9 Correct 215 ms 55380 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 348 KB ok
3 Partially correct 1 ms 344 KB partial
4 Partially correct 0 ms 348 KB partial
5 Partially correct 0 ms 348 KB partial
6 Partially correct 1 ms 344 KB partial
7 Partially correct 0 ms 348 KB partial
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 348 KB ok
10 Partially correct 0 ms 348 KB partial
11 Partially correct 0 ms 348 KB partial
12 Partially correct 0 ms 348 KB partial
13 Correct 0 ms 348 KB ok

Subtask #3
5.5 / 22.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Partially correct 1 ms 344 KB partial
5 Partially correct 0 ms 348 KB partial
6 Partially correct 0 ms 348 KB partial
7 Partially correct 1 ms 344 KB partial
8 Partially correct 0 ms 348 KB partial
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 348 KB ok
11 Partially correct 0 ms 348 KB partial
12 Partially correct 0 ms 348 KB partial
13 Partially correct 0 ms 348 KB partial
14 Correct 0 ms 348 KB ok
15 Partially correct 0 ms 348 KB partial
16 Partially correct 0 ms 348 KB partial
17 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 348 KB ok
22 Partially correct 0 ms 348 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 0 ms 348 KB partial
25 Partially correct 1 ms 348 KB partial
26 Partially correct 0 ms 392 KB partial

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Partially correct 1 ms 344 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Partially correct 1 ms 344 KB partial
10 Partially correct 0 ms 348 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Partially correct 0 ms 348 KB partial
14 Partially correct 0 ms 348 KB partial
15 Partially correct 0 ms 348 KB partial
16 Correct 0 ms 348 KB ok
17 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Partially correct 1 ms 348 KB partial
28 Partially correct 0 ms 392 KB partial
29 Partially correct 0 ms 348 KB partial
30 Partially correct 0 ms 604 KB partial
31 Partially correct 0 ms 604 KB partial
32 Partially correct 0 ms 604 KB partial
33 Partially correct 0 ms 604 KB partial
34 Correct 1 ms 604 KB ok
35 Correct 1 ms 604 KB ok
36 Partially correct 1 ms 604 KB partial
37 Partially correct 1 ms 604 KB partial
38 Partially correct 0 ms 604 KB partial
39 Partially correct 0 ms 604 KB partial
40 Partially correct 0 ms 604 KB partial
41 Partially correct 0 ms 604 KB partial

Subtask #5
4.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Partially correct 1 ms 344 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Partially correct 1 ms 344 KB partial
10 Partially correct 0 ms 348 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 348 KB ok
13 Partially correct 0 ms 348 KB partial
14 Partially correct 0 ms 348 KB partial
15 Partially correct 0 ms 348 KB partial
16 Correct 0 ms 348 KB ok
17 Partially correct 0 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Partially correct 1 ms 348 KB partial
28 Partially correct 0 ms 392 KB partial
29 Partially correct 0 ms 348 KB partial
30 Partially correct 0 ms 604 KB partial
31 Partially correct 0 ms 604 KB partial
32 Partially correct 0 ms 604 KB partial
33 Partially correct 0 ms 604 KB partial
34 Correct 1 ms 604 KB ok
35 Correct 1 ms 604 KB ok
36 Partially correct 1 ms 604 KB partial
37 Partially correct 1 ms 604 KB partial
38 Partially correct 0 ms 604 KB partial
39 Partially correct 0 ms 604 KB partial
40 Partially correct 0 ms 604 KB partial
41 Partially correct 0 ms 604 KB partial
42 Partially correct 36 ms 26452 KB partial
43 Partially correct 26 ms 19548 KB partial
44 Partially correct 32 ms 34392 KB partial
45 Partially correct 34 ms 35152 KB partial
46 Partially correct 32 ms 30804 KB partial
47 Partially correct 34 ms 37644 KB partial
48 Correct 22 ms 14940 KB ok
49 Partially correct 21 ms 16472 KB partial
50 Partially correct 24 ms 22356 KB partial
51 Partially correct 19 ms 10832 KB partial
52 Partially correct 16 ms 8284 KB partial
53 Partially correct 15 ms 7004 KB partial
54 Partially correct 16 ms 8332 KB partial
55 Partially correct 19 ms 10076 KB partial
56 Partially correct 21 ms 18264 KB partial
57 Partially correct 33 ms 30032 KB partial
58 Partially correct 35 ms 28676 KB partial
59 Partially correct 27 ms 26632 KB partial

Subtask #6
7.5 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 348 KB ok
6 Correct 0 ms 440 KB ok
7 Correct 0 ms 348 KB ok
8 Correct 1 ms 968 KB ok
9 Correct 15 ms 5844 KB ok
10 Correct 215 ms 55380 KB ok
11 Partially correct 1 ms 344 KB partial
12 Partially correct 0 ms 348 KB partial
13 Partially correct 0 ms 348 KB partial
14 Partially correct 1 ms 344 KB partial
15 Partially correct 0 ms 348 KB partial
16 Correct 0 ms 348 KB ok
17 Correct 0 ms 348 KB ok
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Correct 0 ms 348 KB ok
22 Partially correct 0 ms 348 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Correct 0 ms 348 KB ok
28 Correct 0 ms 348 KB ok
29 Partially correct 0 ms 348 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 1 ms 348 KB partial
33 Partially correct 0 ms 392 KB partial
34 Partially correct 0 ms 348 KB partial
35 Partially correct 0 ms 604 KB partial
36 Partially correct 0 ms 604 KB partial
37 Partially correct 0 ms 604 KB partial
38 Partially correct 0 ms 604 KB partial
39 Correct 1 ms 604 KB ok
40 Correct 1 ms 604 KB ok
41 Partially correct 1 ms 604 KB partial
42 Partially correct 1 ms 604 KB partial
43 Partially correct 0 ms 604 KB partial
44 Partially correct 0 ms 604 KB partial
45 Partially correct 0 ms 604 KB partial
46 Partially correct 0 ms 604 KB partial
47 Partially correct 36 ms 26452 KB partial
48 Partially correct 26 ms 19548 KB partial
49 Partially correct 32 ms 34392 KB partial
50 Partially correct 34 ms 35152 KB partial
51 Partially correct 32 ms 30804 KB partial
52 Partially correct 34 ms 37644 KB partial
53 Correct 22 ms 14940 KB ok
54 Partially correct 21 ms 16472 KB partial
55 Partially correct 24 ms 22356 KB partial
56 Partially correct 19 ms 10832 KB partial
57 Partially correct 16 ms 8284 KB partial
58 Partially correct 15 ms 7004 KB partial
59 Partially correct 16 ms 8332 KB partial
60 Partially correct 19 ms 10076 KB partial
61 Partially correct 21 ms 18264 KB partial
62 Partially correct 33 ms 30032 KB partial
63 Partially correct 35 ms 28676 KB partial
64 Partially correct 27 ms 26632 KB partial
65 Partially correct 449 ms 373332 KB partial
66 Partially correct 251 ms 59220 KB partial
67 Partially correct 226 ms 59220 KB partial
68 Partially correct 534 ms 524308 KB partial
69 Partially correct 542 ms 501652 KB partial
70 Partially correct 520 ms 478036 KB partial
71 Partially correct 509 ms 529496 KB partial
72 Partially correct 602 ms 557324 KB partial
73 Correct 339 ms 181840 KB ok
74 Correct 347 ms 182608 KB ok
75 Partially correct 331 ms 182092 KB partial
76 Partially correct 382 ms 309520 KB partial
77 Partially correct 422 ms 308560 KB partial
78 Partially correct 317 ms 124184 KB partial
79 Partially correct 215 ms 59172 KB partial
80 Partially correct 207 ms 59284 KB partial
81 Partially correct 213 ms 59420 KB partial
82 Partially correct 232 ms 59728 KB partial
83 Partially correct 230 ms 59216 KB partial
84 Partially correct 229 ms 78676 KB partial
85 Partially correct 228 ms 70292 KB partial
86 Partially correct 259 ms 92240 KB partial
87 Partially correct 250 ms 104788 KB partial
88 Partially correct 341 ms 257296 KB partial
89 Partially correct 517 ms 497236 KB partial
90 Partially correct 463 ms 373756 KB partial
91 Partially correct 439 ms 362580 KB partial
92 Partially correct 218 ms 59216 KB partial
93 Partially correct 229 ms 59216 KB partial
94 Partially correct 213 ms 59216 KB partial
95 Partially correct 213 ms 59240 KB partial
96 Partially correct 203 ms 59220 KB partial
97 Partially correct 208 ms 59220 KB partial
98 Partially correct 218 ms 59216 KB partial
99 Partially correct 264 ms 75344 KB partial
100 Partially correct 547 ms 434480 KB partial
101 Partially correct 415 ms 240724 KB partial
102 Partially correct 459 ms 246932 KB partial
103 Partially correct 534 ms 408468 KB partial
104 Partially correct 443 ms 242708 KB partial
105 Partially correct 457 ms 239440 KB partial
106 Partially correct 501 ms 348136 KB partial
107 Partially correct 480 ms 314008 KB partial
108 Partially correct 273 ms 77396 KB partial
109 Partially correct 288 ms 104020 KB partial