oj.uz

답안 #698832

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
698832 2023-02-14T11:34:37 Z Gital Autobus (COCI22_autobus) C++11
15 / 70
 1000 ms 524288 KB 
#include<bits/stdc++.h>
using namespace std;
#define endl '\n'
typedef long long ll;
ll dp[75][75];
vector<pair<ll,ll>> v[75];
//bool checked[75];
int n,m;
priority_queue<pair<pair<ll,ll>,set<ll>>,vector<pair<pair<ll,ll>,set<ll>>>,greater<pair<pair<ll,ll>,set<ll>>>> pq;
int k,q;
int main () {
    ios::sync_with_stdio(0); cin.tie(0);
    cin >> n >> m;
    for(int i = 0; i < m; i++) {
        ll a,b,c; cin >> a >> b >> c;
        v[a].push_back({c,b});
    }
    cin >> k >> q;
    for(int i = 1; i <= n; i++) {
        for(int j = 0; j <= n; j++) {
            dp[i][j] = -1;
        }
        dp[i][i] = 0;
        set<ll> s;
        pq.push({{0,i},s});
        while(!pq.empty()) {
            ll a = pq.top().first.first;
            ll b = pq.top().first.second;
            set<ll> cnt = pq.top().second;
            pq.pop();
            if(cnt.count(b)) continue;
            cnt.insert(b);
            if(cnt.size() >= k + 1) continue;
            for(int j = 0; j < v[b].size(); j++) {
                if(dp[i][v[b][j].second] == -1) dp[i][v[b][j].second] = a + v[b][j].first;
                else dp[i][v[b][j].second] = min(dp[i][v[b][j].second],a + v[b][j].first);
                pq.push({{a + v[b][j].first,v[b][j].second},cnt});
            }
        }
    }
    for(int i = 0; i < q; i++) {
        int c,d; cin >> c >> d;
        cout << dp[c][d] << endl;
    }
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:33:27: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   33 |             if(cnt.size() >= k + 1) continue;
      |                ~~~~~~~~~~~^~~~~~~~
Main.cpp:34:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |             for(int j = 0; j < v[b].size(); j++) {
      |                            ~~^~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 2 ms 340 KB Output is correct

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 10 ms 468 KB Output is correct
4 Correct 9 ms 468 KB Output is correct
5 Correct 171 ms 1160 KB Output is correct
6 Correct 166 ms 1584 KB Output is correct
7 Execution timed out 1096 ms 35236 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Runtime error 972 ms 524288 KB Execution killed with signal 9
8 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 3 ms 340 KB Output is correct
9 Correct 10 ms 468 KB Output is correct
10 Correct 9 ms 468 KB Output is correct
11 Correct 171 ms 1160 KB Output is correct
12 Correct 166 ms 1584 KB Output is correct
13 Execution timed out 1096 ms 35236 KB Time limit exceeded
14 Halted 0 ms 0 KB -