oj.uz

Submission #402857

# Submission time Handle Problem Language Result Execution time Memory
402857 2021-05-12T12:49:24 Z Collypso Swapping Cities (APIO20_swap) C++17
6 / 100
 109 ms 10160 KB 
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define vt vector
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (x).size()
#pragma GCC optimize ("O3")
#pragma GCC optimize ("O2")
//#define endl '\n'
//#define int ll

using namespace std;

bool cycle;
int maxW;

void init(int N, int M, vt<int> U, vt<int> V, vt<int> W)
{
    vt<int> deg(N);
    for(int i = 0; i < M; i++) deg[U[i]]++, deg[V[i]]++, maxW = max(maxW, W[i]);
    cycle = 1;
    for(int i = 0; i < N; i++) cycle = cycle & (deg[i] == 2);
}

int getMinimumFuelCapacity(int X, int Y)
{
    return cycle ? maxW : -1;
}

/**
main()
{
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    freopen("input.txt", "r", stdin);
    int N, M, Q;
    cin >> N >> M;
    vt<int> U, V, W;
    for(int i = 0; i < M; i++) cin >> U[i] >> V[i] >> W[i];
    init(N, M, U, V, W);
    cin >> Q;
    while(Q--)
    {
        int X, Y;
        cin >> X >> Y;
        cout << getMinimumFuelCapacity(X, Y) << endl;
    }

}
/**/

Compilation message

swap.cpp:50:1: warning: "/*" within comment [-Wcomment]
   50 | /**/
      |

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 31 ms 4024 KB Output is correct
10 Correct 36 ms 4856 KB Output is correct
11 Correct 34 ms 4844 KB Output is correct
12 Correct 45 ms 5044 KB Output is correct
13 Correct 39 ms 5116 KB Output is correct
14 Correct 35 ms 4392 KB Output is correct
15 Correct 96 ms 8732 KB Output is correct
16 Correct 103 ms 8676 KB Output is correct
17 Correct 105 ms 9000 KB Output is correct
18 Correct 109 ms 8944 KB Output is correct
19 Correct 60 ms 5956 KB Output is correct
20 Correct 98 ms 9664 KB Output is correct
21 Correct 102 ms 9944 KB Output is correct
22 Correct 103 ms 10156 KB Output is correct
23 Correct 104 ms 10160 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Incorrect 96 ms 8124 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Incorrect 1 ms 204 KB Output isn't correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 31 ms 4024 KB Output is correct
10 Correct 36 ms 4856 KB Output is correct
11 Correct 34 ms 4844 KB Output is correct
12 Correct 45 ms 5044 KB Output is correct
13 Correct 39 ms 5116 KB Output is correct
14 Correct 35 ms 4392 KB Output is correct
15 Correct 96 ms 8732 KB Output is correct
16 Correct 103 ms 8676 KB Output is correct
17 Correct 105 ms 9000 KB Output is correct
18 Correct 109 ms 8944 KB Output is correct
19 Incorrect 96 ms 8124 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct