Submission #403160

#	Time	Username	Problem	Language	Result	Execution time	Memory
403160		AmineTrabelsi	Stations (IOI20_stations)	C++14	5 / 100	1126 ms	620 KiB

stations

#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
const int Mx = 1010;
void dfs(int node,int par,vector<int> &labels,vector<vector<int>> &tr){
    for(auto i:tr[node]){
        if(i != par){
            labels[i] = labels[node]+1;
            dfs(i,node,labels,tr);
        }
    }
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
    vector<int> labels(n);
    vector<vector<int>> tr(n+1,vector<int>(0));
	for (int i = 0; i < n-1; i++) {
		tr[u[i]].push_back(v[i]);
        tr[v[i]].push_back(u[i]);
	}
    int root = 0;
    for(int i=0;i<n;i++){
        if(tr[i].size() == 1){
            root = i;
            break;
        }
    }
    dfs(root,-1,labels,tr);
	return labels;
}
int find_next_station(int s, int t, vector<int> c) {
    if(t <= s)
        return *min_element(c.begin(),c.end());
	return *max_element(c.begin(),c.end());
}

Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:31:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   31 |     if(t <= s)
      |     ^~
stations.cpp:33:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   33 |  return *max_element(c.begin(),c.end());
      |  ^~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 16
• Subtask 4: 0 / 10
• Subtask 5: 0 / 61