oj.uz

Submission #289615

# Submission time Handle Problem Language Result Execution time Memory
289615 2020-09-02T19:11:51 Z peti1234 Simurgh (IOI17_simurgh) C++17
51 / 100
 251 ms 3320 KB 
#include <bits/stdc++.h>
#include "simurgh.h"
using namespace std;
const int c=502;
vector<int> kerd;
vector<pair<int, int> > p;
int sz[c][c], st[c*c], v[c], n, m;
void dfs(int a, int b) {
    //cout << "dfs " << a << " " << b << "\n";
    v[a]=b;
    for (int i=0; i<n; i++) {
        if (sz[a][i]!=-1 && !v[i]) {
            kerd.push_back(sz[a][i]);
            dfs(i, b);
        }
    }
}
/*
int count_common_roads(vector<int> sz) {
    for (int i=0; i<n-1; i++) {
        cout << sz[i] << " ";
    }
    cout << "\n";
    int x; cin >> x;
    return x;
}
*/
vector<int> find_roads(int k, vector<int> x, vector<int> y) {
    m=x.size(), n=k;
    for (int i=0; i<n; i++) for (int j=0; j<n; j++) sz[i][j]=-1;
    for (int i=0; i<m; i++) {
        int a=x[i], b=y[i];
        sz[a][b]=i, sz[b][a]=i;
    }
    for (int i=0; i<m; i++) {
        if (!st[i]) {
            kerd.clear(), p.clear();
            int a=x[i], b=y[i], db=0;
            //cout << "kulon " << a << " " << b << "\n";
            for (int j=0; j<n; j++) v[j]=0;
            v[b]=1, dfs(a, 1), dfs(b, 2);
            for (int i=0; i<m; i++) if (v[x[i]]!=v[y[i]]) if (!st[i] || (st[i]==1 && !db)) {
                db+=st[i];
                kerd.push_back(i);
                p.push_back({count_common_roads(kerd), i});
                kerd.pop_back();
            }
            sort(p.rbegin(), p.rend());
            for (int i=0; i<p.size(); i++) {
                int se=p[i].second;
                if (p[i].first==p[0].first) st[se]=1;
                else st[se]=-1;
            }
        }
    }
    kerd.clear();
    for (int i=0; i<m; i++) if (st[i]==1) kerd.push_back(i);
    return kerd;
}

Compilation message

simurgh.cpp: In function 'std::vector<int> find_roads(int, std::vector<int>, std::vector<int>)':
simurgh.cpp:49:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |             for (int i=0; i<p.size(); i++) {
      |                           ~^~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB correct
2 Correct 1 ms 384 KB correct
3 Correct 0 ms 384 KB correct
4 Correct 0 ms 384 KB correct
5 Correct 0 ms 384 KB correct
6 Correct 1 ms 384 KB correct
7 Correct 0 ms 384 KB correct
8 Correct 1 ms 384 KB correct
9 Correct 1 ms 384 KB correct
10 Correct 0 ms 384 KB correct
11 Correct 1 ms 384 KB correct
12 Correct 0 ms 384 KB correct
13 Correct 1 ms 384 KB correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB correct
2 Correct 1 ms 384 KB correct
3 Correct 0 ms 384 KB correct
4 Correct 0 ms 384 KB correct
5 Correct 0 ms 384 KB correct
6 Correct 1 ms 384 KB correct
7 Correct 0 ms 384 KB correct
8 Correct 1 ms 384 KB correct
9 Correct 1 ms 384 KB correct
10 Correct 0 ms 384 KB correct
11 Correct 1 ms 384 KB correct
12 Correct 0 ms 384 KB correct
13 Correct 1 ms 384 KB correct
14 Correct 3 ms 384 KB correct
15 Correct 3 ms 384 KB correct
16 Correct 3 ms 384 KB correct
17 Correct 3 ms 384 KB correct
18 Correct 2 ms 512 KB correct
19 Correct 3 ms 384 KB correct
20 Correct 2 ms 384 KB correct
21 Correct 2 ms 384 KB correct
22 Correct 2 ms 384 KB correct
23 Correct 2 ms 384 KB correct
24 Correct 2 ms 384 KB correct
25 Correct 1 ms 384 KB correct
26 Correct 2 ms 384 KB correct
27 Correct 2 ms 384 KB correct
28 Correct 1 ms 384 KB correct
29 Correct 1 ms 384 KB correct
30 Correct 2 ms 384 KB correct
31 Correct 2 ms 384 KB correct
32 Correct 2 ms 384 KB correct
33 Correct 2 ms 384 KB correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB correct
2 Correct 1 ms 384 KB correct
3 Correct 0 ms 384 KB correct
4 Correct 0 ms 384 KB correct
5 Correct 0 ms 384 KB correct
6 Correct 1 ms 384 KB correct
7 Correct 0 ms 384 KB correct
8 Correct 1 ms 384 KB correct
9 Correct 1 ms 384 KB correct
10 Correct 0 ms 384 KB correct
11 Correct 1 ms 384 KB correct
12 Correct 0 ms 384 KB correct
13 Correct 1 ms 384 KB correct
14 Correct 3 ms 384 KB correct
15 Correct 3 ms 384 KB correct
16 Correct 3 ms 384 KB correct
17 Correct 3 ms 384 KB correct
18 Correct 2 ms 512 KB correct
19 Correct 3 ms 384 KB correct
20 Correct 2 ms 384 KB correct
21 Correct 2 ms 384 KB correct
22 Correct 2 ms 384 KB correct
23 Correct 2 ms 384 KB correct
24 Correct 2 ms 384 KB correct
25 Correct 1 ms 384 KB correct
26 Correct 2 ms 384 KB correct
27 Correct 2 ms 384 KB correct
28 Correct 1 ms 384 KB correct
29 Correct 1 ms 384 KB correct
30 Correct 2 ms 384 KB correct
31 Correct 2 ms 384 KB correct
32 Correct 2 ms 384 KB correct
33 Correct 2 ms 384 KB correct
34 Correct 231 ms 1656 KB correct
35 Correct 227 ms 1656 KB correct
36 Correct 217 ms 1280 KB correct
37 Correct 37 ms 768 KB correct
38 Correct 233 ms 1656 KB correct
39 Correct 218 ms 1408 KB correct
40 Correct 212 ms 1280 KB correct
41 Correct 251 ms 1748 KB correct
42 Correct 235 ms 1536 KB correct
43 Correct 165 ms 1152 KB correct
44 Correct 144 ms 1152 KB correct
45 Correct 160 ms 1152 KB correct
46 Correct 138 ms 1024 KB correct
47 Correct 79 ms 896 KB correct
48 Correct 29 ms 768 KB correct
49 Correct 37 ms 768 KB correct
50 Correct 78 ms 896 KB correct
51 Correct 163 ms 1236 KB correct
52 Correct 144 ms 1176 KB correct
53 Correct 134 ms 1152 KB correct
54 Correct 167 ms 1272 KB correct
55 Correct 166 ms 1152 KB correct
56 Correct 167 ms 1152 KB correct
57 Correct 166 ms 1272 KB correct

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB correct
2 Correct 0 ms 384 KB correct
3 Incorrect 169 ms 3320 KB WA in grader: NO
4 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB correct
2 Correct 1 ms 384 KB correct
3 Correct 0 ms 384 KB correct
4 Correct 0 ms 384 KB correct
5 Correct 0 ms 384 KB correct
6 Correct 1 ms 384 KB correct
7 Correct 0 ms 384 KB correct
8 Correct 1 ms 384 KB correct
9 Correct 1 ms 384 KB correct
10 Correct 0 ms 384 KB correct
11 Correct 1 ms 384 KB correct
12 Correct 0 ms 384 KB correct
13 Correct 1 ms 384 KB correct
14 Correct 3 ms 384 KB correct
15 Correct 3 ms 384 KB correct
16 Correct 3 ms 384 KB correct
17 Correct 3 ms 384 KB correct
18 Correct 2 ms 512 KB correct
19 Correct 3 ms 384 KB correct
20 Correct 2 ms 384 KB correct
21 Correct 2 ms 384 KB correct
22 Correct 2 ms 384 KB correct
23 Correct 2 ms 384 KB correct
24 Correct 2 ms 384 KB correct
25 Correct 1 ms 384 KB correct
26 Correct 2 ms 384 KB correct
27 Correct 2 ms 384 KB correct
28 Correct 1 ms 384 KB correct
29 Correct 1 ms 384 KB correct
30 Correct 2 ms 384 KB correct
31 Correct 2 ms 384 KB correct
32 Correct 2 ms 384 KB correct
33 Correct 2 ms 384 KB correct
34 Correct 231 ms 1656 KB correct
35 Correct 227 ms 1656 KB correct
36 Correct 217 ms 1280 KB correct
37 Correct 37 ms 768 KB correct
38 Correct 233 ms 1656 KB correct
39 Correct 218 ms 1408 KB correct
40 Correct 212 ms 1280 KB correct
41 Correct 251 ms 1748 KB correct
42 Correct 235 ms 1536 KB correct
43 Correct 165 ms 1152 KB correct
44 Correct 144 ms 1152 KB correct
45 Correct 160 ms 1152 KB correct
46 Correct 138 ms 1024 KB correct
47 Correct 79 ms 896 KB correct
48 Correct 29 ms 768 KB correct
49 Correct 37 ms 768 KB correct
50 Correct 78 ms 896 KB correct
51 Correct 163 ms 1236 KB correct
52 Correct 144 ms 1176 KB correct
53 Correct 134 ms 1152 KB correct
54 Correct 167 ms 1272 KB correct
55 Correct 166 ms 1152 KB correct
56 Correct 167 ms 1152 KB correct
57 Correct 166 ms 1272 KB correct
58 Correct 0 ms 384 KB correct
59 Correct 0 ms 384 KB correct
60 Incorrect 169 ms 3320 KB WA in grader: NO
61 Halted 0 ms 0 KB -