oj.uz

Submission #318652

# Submission time Handle Problem Language Result Execution time Memory
318652 2020-11-02T18:50:22 Z tengiz05 Stations (IOI20_stations) C++17
0 / 100
 897 ms 1144 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> edges[1005];
int a[1005];
vector<bool> used;
int timer=0;
void dfs(int u, int d){
	if(d==0)a[u] = timer,timer++;
	used[u] = true;
	for(auto v:edges[u]){
		if(used[v])continue;
		dfs(v,d^1);
	}if(d==1)a[u] = timer,timer++;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	for(int i=0;i<n;i++)edges[i].clear();
	for(int i=0;i<n-1;i++){
		edges[u[i]].push_back(v[i]);
		edges[v[i]].push_back(u[i]);
	}
	timer=0;
	used.assign(n,0);
	dfs(0,0);
	vector<int> ans(n);
	for(int i=0;i<n;i++)ans[i] = a[i];
	return ans;
}
/*
 
1
5 10
0 1
1 2
2 3
3 4
3
1 3 121
1 4 121
0 1 122
 
*/
 
int find_next_station(int s, int t, vector<int> c) {
//	cout << s << ": " << t << '\n';
	if(c[c.size()-1] < s){
		int ans = c[0];
		for(auto x : c){
			if(min(s, x) <= t && t <= max(s, x))ans = x;
		}return ans;
	}else {
		for(auto x : c)if(x>=t)return x;
	}
}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:54:1: warning: control reaches end of non-void function [-Wreturn-type]
   54 | }
      | ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 526 ms 1104 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 462 ms 864 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 551 ms 1144 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 897 ms 940 KB Output is correct
2 Correct 627 ms 1108 KB Output is correct
3 Incorrect 676 ms 944 KB Wrong query response.
4 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 677 ms 984 KB Wrong query response.
2 Halted 0 ms 0 KB -