oj.uz

Submission #1089424

# Submission time Handle Problem Language Result Execution time Memory
1089424 2024-09-16T13:09:59 Z coolsentenceidontremember Crocodile's Underground City (IOI11_crocodile) C++17
46 / 100
 2 ms 604 KB 
/*


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*/



#include"bits/stdc++.h"
#pragma GCC optimize("O3", "unroll-loops")
#define ll long long
#define ld long double
#define f first
#define s second
#define db double
#define time_begin() auto begin = chrono::high_resolution_clock::now()
#define time_end() auto end = chrono::high_resolution_clock::now(); auto elapsed = chrono::duration_cast<chrono::nanoseconds>(end-begin); auto sec = elapsed.count() * 1e-9; cerr << "\n\nExecution time: " << sec << " seconds";
#define check_time() cerr << "\nStatus : "; if (sec>1) cerr << "Time Limit Exceeded 1!!!1!111"; else cerr << "You good brother"
#define precision(x) fixed << setprecision((x))
#define check_ok(s) cout << s << " is aight" << '\n'
#define pii pair<int, int>
#define mp make_pair
using namespace std;

void setIO(string s = ""){
 ios_base::sync_with_stdio(false);
 cin.tie(nullptr);
 cout.tie(nullptr);
 if (!s.empty()){
	freopen((s+".in").c_str(), "r", stdin);
	freopen((s+".out").c_str(), "w", stdout);
	}
}

const ll inf = 1e18;

ll travel_plan(int n, int m, int r[][2], int l[], int k, int p[]){
	vector<vector<pii>> adj(n, vector<pii>());
	vector<vector<ll>> dis(n, vector<ll>(2, inf));
	for (int i = 0; i < n; i++){
		int u = r[i][0], v = r[i][1];
		adj[u].push_back({v, l[i]});
		adj[v].push_back({u, l[i]});
	}
	priority_queue<pair<ll, int>, vector<pair<ll, int>>, greater<pair<ll, int>>> pq;
	for (int i = 0; i < k; i++){
		dis[p[i]][0] = dis[p[i]][1] = 0;
		pq.push(mp(0, p[i]));
	}
	while (!pq.empty()){
		pair<ll, int> p = pq.top();
		pq.pop();
		if (dis[p.s][1] < p.f) continue;
		int u = p.s;
		for (auto &[v, w] : adj[u]){
			if (p.f + w < dis[v][0]){
				if (dis[v][0] < inf){
					dis[v][1] = dis[v][0];
					pq.push(mp(dis[v][1], v));
				}
				dis[v][0] = p.f + w;
			} else if (p.f + w < dis[v][1]){
				dis[v][1] = p.f + w;
				pq.push(mp(dis[v][1], v));
			}
		}
	}
	return dis[0][1];
}

Compilation message

crocodile.cpp: In function 'void setIO(std::string)':
crocodile.cpp:144:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  144 |  freopen((s+".in").c_str(), "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
crocodile.cpp:145:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  145 |  freopen((s+".out").c_str(), "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
46.0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 452 KB Output is correct

Subtask #2
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 452 KB Output is correct
9 Incorrect 2 ms 348 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 452 KB Output is correct
9 Incorrect 2 ms 348 KB Output isn't correct
10 Halted 0 ms 0 KB -