Submission #599746

# Submission time Handle Problem Language Result Execution time Memory
599746 2022-07-19T20:06:36 Z Meloric Crocodile's Underground City (IOI11_crocodile) C++14
100 / 100
922 ms 75528 KB
#include "crocodile.h"
#include <bits/stdc++.h>

#define pb push_back
//#define int int64_t
#define pii pair<int, int>
#define X first
#define Y second
#define all(x) (x).begin(),(x).end()
#define lb lower_bound
#define ub upper_bound

using namespace std;

void p(auto A){
	for(auto e : A)cout << e << ' ';
	cout << '\n';
}

int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]){
	/*
	int n, m, k; cin >> n >> m >> k;
	vector<vector<int>>R(m, vector<int>(2));
	vector<int>L(m), P(k);
	
	for(int i = 0; i< m; i++)cin >> R[i][0] >> R[i][1] >> L[i];
	for(int i = 0; i< k; i++)cin >> P[i];
	*/
	int n = N;
	int m = M;
	int k = K;
	
	vector<vector<pii>> g(n, vector<pii>());
	for(int i = 0; i< m; i++){
		int c = R[i][0];
		int d = R[i][1];
		int w = L[i];
		g[c].pb({d, w});
		g[d].pb({c, w});
	}
	vector<int>v1(n,-1), v2(n,-1);
	priority_queue<pii> pq;
	for(int i = 0; i< k; i++){
		int c = P[i];
		v1[c] = 0;
		pq.push({0, c});
	}
	while(pq.size()){
		auto [d, u] = pq.top(); d = -d;
		pq.pop();
		if(v2[u] != -1)continue;
		if(v1[u] == -1){
			v1[u] = d;
			continue;
		}
		v2[u] = d;
		for(auto [v, w] : g[u])pq.push({-(w+d), v});
	}
    return v2[0];
}

/*
void solve(){
	cout << travel_plan();
}
signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	
	int t = 1;
	//cin >> t;
	while(t--)solve();
}
*/

Compilation message

crocodile.cpp:15:8: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   15 | void p(auto A){
      |        ^~~~
crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:49:8: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   49 |   auto [d, u] = pq.top(); d = -d;
      |        ^
crocodile.cpp:57:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   57 |   for(auto [v, w] : g[u])pq.push({-(w+d), v});
      |            ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 3 ms 724 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 6 ms 1108 KB Output is correct
13 Correct 6 ms 1220 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 3 ms 724 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 6 ms 1108 KB Output is correct
13 Correct 6 ms 1220 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 817 ms 71244 KB Output is correct
17 Correct 84 ms 13884 KB Output is correct
18 Correct 123 ms 15204 KB Output is correct
19 Correct 922 ms 75528 KB Output is correct
20 Correct 577 ms 63720 KB Output is correct
21 Correct 42 ms 5944 KB Output is correct
22 Correct 516 ms 44884 KB Output is correct