oj.uz

Submission #910388

# Submission time Handle Problem Language Result Execution time Memory
910388 2024-01-18T04:42:43 Z oblantis Crocodile's Underground City (IOI11_crocodile) C++17
89 / 100
 405 ms 75436 KB 
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define all(v) v.begin(), v.end()
#define pb push_back
#define ss second
#define ff first
#define vt vector
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
const ll inf = 1e15;
const int mod = 1e9+7;
const int maxn = 2e5 + 1;
#include "crocodile.h"
ll dst[maxn][2];
vt<pii> g[maxn];
int travel_plan(int n, int m, int adj[][2], int l[], int k, int p[]){
	for(int i = 0; i < m; i++){
		g[adj[i][0]].pb({adj[i][1], l[i]});
		g[adj[i][1]].pb({adj[i][0], l[i]});
	}
	for(int i = 0; i < n; i++){
		dst[i][0] = dst[i][1] = inf;
	}
	priority_queue<pll, vt<pll>, greater<pll>> pq;
	for(int i = 0; i < k; i++){
		dst[p[i]][0] = dst[p[i]][1] = 0;
		pq.push({0, p[i]});
	}
	while(!pq.empty()){
		pll nw = pq.top();
		pq.pop();
		if(dst[nw.ss][1] != nw.ff)continue;
		for(auto i : g[nw.ss]){
			if(nw.ff + i.ss >= dst[i.ff][1])continue;
			if(nw.ff + i.ss < dst[i.ff][0]){
				dst[i.ff][1] = dst[i.ff][0];
				dst[i.ff][0] = nw.ff + i.ss;
			}
			else dst[i.ff][1] = nw.ff + i.ss;
			pq.push({dst[i.ff][1], i.ff});
		}
	}
	return dst[0][1];
}
//void solve() {
	//int n, m, k;
	//cin >> n >> m >> k;
	//int r[m][2], 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];
	//cout << travel_plan(n, m, r, l, k, p);
//}

//int main() {
	//ios_base::sync_with_stdio(0);
	//cin.tie(0);
	//int times = 1;
	////cin >> times;
	//for(int i = 1; i <= times; i++) {
		//solve();
	//}
	//return 0;
//}

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 10844 KB Output is correct
2 Correct 3 ms 10840 KB Output is correct
3 Correct 3 ms 10840 KB Output is correct
4 Correct 3 ms 10844 KB Output is correct
5 Correct 3 ms 10848 KB Output is correct
6 Correct 3 ms 10844 KB Output is correct
7 Correct 4 ms 10844 KB Output is correct
8 Correct 3 ms 10844 KB Output is correct

Subtask #2
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 10844 KB Output is correct
2 Correct 3 ms 10840 KB Output is correct
3 Correct 3 ms 10840 KB Output is correct
4 Correct 3 ms 10844 KB Output is correct
5 Correct 3 ms 10848 KB Output is correct
6 Correct 3 ms 10844 KB Output is correct
7 Correct 4 ms 10844 KB Output is correct
8 Correct 3 ms 10844 KB Output is correct
9 Correct 4 ms 11096 KB Output is correct
10 Correct 3 ms 10840 KB Output is correct
11 Correct 4 ms 11100 KB Output is correct
12 Correct 6 ms 11104 KB Output is correct
13 Correct 5 ms 11096 KB Output is correct
14 Correct 3 ms 10844 KB Output is correct
15 Correct 3 ms 10844 KB Output is correct

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 10844 KB Output is correct
2 Correct 3 ms 10840 KB Output is correct
3 Correct 3 ms 10840 KB Output is correct
4 Correct 3 ms 10844 KB Output is correct
5 Correct 3 ms 10848 KB Output is correct
6 Correct 3 ms 10844 KB Output is correct
7 Correct 4 ms 10844 KB Output is correct
8 Correct 3 ms 10844 KB Output is correct
9 Correct 4 ms 11096 KB Output is correct
10 Correct 3 ms 10840 KB Output is correct
11 Correct 4 ms 11100 KB Output is correct
12 Correct 6 ms 11104 KB Output is correct
13 Correct 5 ms 11096 KB Output is correct
14 Correct 3 ms 10844 KB Output is correct
15 Correct 3 ms 10844 KB Output is correct
16 Correct 315 ms 70340 KB Output is correct
17 Correct 74 ms 25032 KB Output is correct
18 Correct 87 ms 26240 KB Output is correct
19 Correct 405 ms 75436 KB Output is correct
20 Correct 210 ms 58196 KB Output is correct
21 Correct 34 ms 17104 KB Output is correct
22 Incorrect 236 ms 56276 KB Output isn't correct
23 Halted 0 ms 0 KB -