oj.uz

Submission #402897

# Submission time Handle Problem Language Result Execution time Memory
402897 2021-05-12T13:18:49 Z Collypso Swapping Cities (APIO20_swap) C++17
0 / 100
 124 ms 7620 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;

vt<pair<int, int>> v;
vt<int> weight;

void init(int N, int M, vt<int> U, vt<int> V, vt<int> W)
{
    weight.resize(N);
    for(int i = 0; i < M; i++) v.pb({W[i], V[i]}), weight[V[i]] = W[i];
    sort(all(v));
}

int getMinimumFuelCapacity(int X, int Y)
{
    if (sz(v) <= 2) return -1;
    if ((min(X, Y) == min(v[0].second, v[1].second) &&
        max(X, Y) == max(v[0].second, v[1].second)) || X == 0 || Y == 0) return v[2].second;
    return max(weight[X], weight[Y]);
}

/**
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(M), V(M), W(M);
    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:52:1: warning: "/*" within comment [-Wcomment]
   52 | /**/
      |

Subtask #1
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 Incorrect 1 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -

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 124 ms 7620 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 Incorrect 1 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# 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 Incorrect 1 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -

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 Incorrect 1 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# 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 Incorrect 1 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -