oj.uz

답안 #308863

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
308863 2020-10-02T05:36:43 Z talant117408 악어의 지하 도시 (IOI11_crocodile) C++17
100 / 100
 1054 ms 75512 KB 
#include "crocodile.h"
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair <ll, ll> pii;
 
#define precision(n) fixed << setprecision(n)
#define pb push_back
#define ub upper_bound
#define lb lower_bound
#define mp make_pair
#define eps (double)1e-9
#define PI 2*acos(0.0)
#define endl "\n"
#define sz(v) (v).size()
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define do_not_disturb ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);

const int N = 1e5+7;
const ll INF = 9e18;
vector <pii> dis(N, {INF, INF});
vector <vector <pii>> graph(N);
vector <int> pp;

void dijkstra(){
    
    set <pii> K;
    for(auto to : pp){
        K.insert(mp(0, to));
        dis[to] = {0, 0};
    }
    
    while(K.size()){
        auto it = K.begin(); K.erase(K.begin());
        pii v = *it;
        if(v.first > dis[v.second].second) continue;
        for(auto to : graph[v.second]){
            if(v.first+to.second < dis[to.first].second){
                dis[to.first].second = v.first+to.second;
                if(dis[to.first].first > dis[to.first].second) 
                    swap(dis[to.first].first, dis[to.first].second);
                if(dis[to.first].second != INF)
                    K.insert(mp(dis[to.first].second, to.first));
            }
        }
    }
}

int travel_plan(int n, int m, int r[][2], int l[], int k, int p[]){
    for(int i = 0; i < m; i++){
        graph[r[i][0]].pb(mp(r[i][1], (ll)l[i]));
        graph[r[i][1]].pb(mp(r[i][0], (ll)l[i]));
    }
    
    for(int i = 0; i < k; i++)
        pp.pb(p[i]);
    dijkstra();
    
    return dis[0].second;
}

/*
5 4 3
0 1 2
0 2 3
3 2 1
2 4 4
1 3 4
7

5 7 2
0 2 4
0 3 3
3 2 2
2 1 10
0 1 100
0 4 7
3 4 9
1 3
14
*/

Subtask #1
46.0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4224 KB Output is correct
2 Correct 3 ms 4224 KB Output is correct
3 Correct 3 ms 4352 KB Output is correct
4 Correct 4 ms 4352 KB Output is correct
5 Correct 4 ms 4352 KB Output is correct
6 Correct 4 ms 4352 KB Output is correct
7 Correct 4 ms 4352 KB Output is correct
8 Correct 4 ms 4352 KB Output is correct

Subtask #2
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4224 KB Output is correct
2 Correct 3 ms 4224 KB Output is correct
3 Correct 3 ms 4352 KB Output is correct
4 Correct 4 ms 4352 KB Output is correct
5 Correct 4 ms 4352 KB Output is correct
6 Correct 4 ms 4352 KB Output is correct
7 Correct 4 ms 4352 KB Output is correct
8 Correct 4 ms 4352 KB Output is correct
9 Correct 5 ms 4608 KB Output is correct
10 Correct 3 ms 4224 KB Output is correct
11 Correct 4 ms 4352 KB Output is correct
12 Correct 7 ms 4864 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 3 ms 4352 KB Output is correct
15 Correct 4 ms 4352 KB Output is correct

Subtask #3
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4224 KB Output is correct
2 Correct 3 ms 4224 KB Output is correct
3 Correct 3 ms 4352 KB Output is correct
4 Correct 4 ms 4352 KB Output is correct
5 Correct 4 ms 4352 KB Output is correct
6 Correct 4 ms 4352 KB Output is correct
7 Correct 4 ms 4352 KB Output is correct
8 Correct 4 ms 4352 KB Output is correct
9 Correct 5 ms 4608 KB Output is correct
10 Correct 3 ms 4224 KB Output is correct
11 Correct 4 ms 4352 KB Output is correct
12 Correct 7 ms 4864 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 3 ms 4352 KB Output is correct
15 Correct 4 ms 4352 KB Output is correct
16 Correct 750 ms 68472 KB Output is correct
17 Correct 104 ms 14456 KB Output is correct
18 Correct 144 ms 16764 KB Output is correct
19 Correct 1054 ms 75512 KB Output is correct
20 Correct 376 ms 56184 KB Output is correct
21 Correct 54 ms 9592 KB Output is correct
22 Correct 426 ms 51064 KB Output is correct