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Submission #427306

# Submission time Handle Problem Language Result Execution time Memory
427306 2021-06-14T14:10:06 Z AugustinasJucas Stations (IOI20_stations) C++14
0 / 100
 3000 ms 2097156 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
const int dydis = 1000;
vector<int> gr[dydis];
int enter[dydis];
int leave[dydis];
vector<int> ret (dydis);
int dbInd = 0;
void dfs(int v, int came){
	enter[v] = dbInd++;
	for(auto x : gr[v]){
		if(x == came) continue;
		dfs(x, v);
	}
	leave[v] = dbInd;
	ret[v] = enter[v] * dydis + leave[v] - 1;
	//cout << "enter " << v << " - " << enter[v] << ", o leave " << leave[v]-1 << endl;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	for(int i = 0; i < n-1; i++){
		gr[u[i]].push_back(v[i]);
		gr[v[i]].push_back(u[i]);
	}
	dfs(0, -1);
	ret.resize(n);
	
	return ret;
}

int find_next_station(int s, int t, vector<int> c) {
	int enterS = s / 1000;
	int leaveS = s % 1000;
	int enterT = t / 1000;
	int leaveT = t % 1000;
//	cout << "kitas einant is " << s << " i " << t << " yra:\n";
	if(enterS <= enterT && leaveT <= leaveS){
	//	cout << enterS << " yra " << enterT << " tevas\n";
		for(auto x : c){
			int e = x / 1000;
			int l = x % 1000;
			if(e <= enterT && leaveT <= l && !(e <= enterS && leaveS <= l)){
				cout << "ret " << x << endl << endl;
				return x;
			}
		}
	}else{ // eisiu aukstyn
		for(auto x : c){
			int e = x / 1000;
			int l = x % 1000;
			if(e <= enterS && leaveS <= l){
			//	cout << "ret " << x << endl << endl;
				return x;
			}
		}
	}
	return c[0];
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 1361 ms 2097156 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3058 ms 416 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 1403 ms 2097156 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 528 KB Expected integer, but "ret" found
2 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Runtime error 2487 ms 2097156 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -