Submission #430270

# Submission time Handle Problem Language Result Execution time Memory
430270 2021-06-16T12:36:31 Z APROHACK Stations (IOI20_stations) C++14
0 / 100
4 ms 2644 KB
#include "stations.h"
#include <bits/stdc++.h>
#include <vector>
#define PB push_back
using namespace std;
vector<int>ady[100001];
int lab[100001];
long long cur = 0;
void dfs(int node, int parent){
	cout<<node<<endl;
	for(int i= 0 ; i < ady[node].size() ; i++){
		if(ady[node][i]==parent)continue;
		dfs(ady[node][i], node);
	}
	lab[node]=cur++;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	cur=0;
	vector<int>ab;
	for(int i = 0 ; i <= n-1 ; i++){
		ady[i].clear();
	}
	for(int i = 0 ; i < n-1 ; i++){
		ady[u[i]].PB(v[i]);
		ady[v[i]].PB(u[i]);
	}
	dfs(0, -1);
	for(int i = 0 ; i <= n-1 ; i++){
		ab.PB(lab[i]);
		cout<<lab[i]<<" ";
	}
	return ab;
}

int find_next_station(int s, int t, vector<int>c) {
	int li=0, ls=c.size()-1, pos;
	//for(int i = 0 ; i <= ls ; i++){
	//	cout<<c[i]<<" ";
	//}
	//cout<<endl<<s<<" "<<t<<endl;
	pos=(li+ls)/2;
	while(li+1<ls){
		//cout<<li<<" "<<ls<<endl;
		pos=(li+ls)/2;
		if(c[pos]>=t)ls=pos;
		else li=pos;
	}
	for(int i = ls ; i >= li ; i--){
		if(c[i]>=t)pos=i;
	}
	if(t>s)return c[c.size()-1];
	//pos=(li+ls)/2;
	//cout<<"a "<<c[pos]<<endl;
	return c[pos];
}

Compilation message

stations.cpp: In function 'void dfs(int, int)':
stations.cpp:11:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |  for(int i= 0 ; i < ady[node].size() ; i++){
      |                 ~~^~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 2644 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 4 ms 2632 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 2636 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 2504 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 2636 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -