Submission #850589

# Submission time Handle Problem Language Result Execution time Memory
850589 2023-09-17T03:12:26 Z hqminhuwu Crocodile's Underground City (IOI11_crocodile) C++17
0 / 100
2 ms 10840 KB
#include <bits/stdc++.h>
#define forr(_a,_b,_c) for(_a = _b; _a <= _c; ++_a)
#define ford(_a,_b,_c) for(_a = (_b) + 1; _a --> _c;)
#define forf(_a,_b,_c) for(_a = _b; _a < _c; ++_a)
#define st first
#define nd second
#define ll long long
#define ull unsigned long long
#define pii pair <ll,ll>
#define pll pair <ll,ll>
#define piii pair <int,pii>
#define vi vector <int>
#define pb push_back
#define mp make_pair
#define all(x) begin(x),end(x)
#define file "test"


using namespace std;
const int N = 2e5 + 5;
const ll oo = 1e16;
const ll mod = 1e9 + 7;

priority_queue <pll,vector<pll>,greater<pll>> q;
int n,m,k,i,u,v,w;
pll d[N];
vector <pll> a[N];
ll travel_plan (int nn, int mm, int r[][2], int l[], int kk, int p[]){
	//ios_base::sync_with_stdio(0); cin.tie(0);
	n = nn;
	m = mm;
	k = kk;
	forr (i,0,m - 1){
		u = r[i][0], v = r[i][1], w = l[i];
		a[u].pb({v,w});
		a[v].pb({u,w});
	}
	forr (i,0,n - 1)
		d[i] = {oo,oo};
	forr (i,0,k - 1)
		u = p[i], q.push({0,u}),d[u] = {0,0};
	while (!q.empty()){
		pii u = q.top();
		q.pop();
		if (u.st != d[u.nd].nd)
			continue;
		//cout << u.st << " " << u.nd << "\n";
		for (pll v : a[u.nd]){
			ll cost = u.st + v.nd;
			//cout << cost << "\n";
			if (cost < d[v.st].st){
				d[v.st].nd = d[v.st].st;
				d[v.st].st = cost;
				//if (d[v.st].nd != oo) 
					q.push({d[v.st].nd,v.st});
			}
			else if (cost < d[v.st].nd){
				d[v.st].nd = cost;
				q.push({cost,v.st});
			}
		}
	}
	cout << d[0].nd;

	return 0;
}
/*



*/

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 10840 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 10840 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 10840 KB Output isn't correct
2 Halted 0 ms 0 KB -