Submission #706807

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
706807	2023-03-07 19:41:09	rafatoa	Paint By Numbers (IOI16_paint)	C++17	Compilation error	0 ms	0 KiB

paint

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#include <bits/stdc++.h>
using namespace std;
vector<int> label(int n, int k, vector<int> u, vector<int> v){
    vector<int> l(n);
    vector<vector<int>> adj(n);
    for(int i=0; i<n-1; i++){
        adj[u[i]].push_back(v[i]);
        adj[v[i]].push_back(u[i]);
    }
    int aux = 0;
    function<void(int, int, int)> dfs = [&](int s, int e, int d){
        if(d%2 == 0) l[s] = aux++;
        for(auto u:adj[s])
            if(u != e) dfs(u, s, d+1);
        if(d%2 == 1) l[s] = aux++;
    };
    dfs(0, -1, 0);
    return l;
}
int find_next_station(int s, int t, vector<int> c){
    sort(c.begin(), c.end());
    int n = c.size();
    if(n == 1) return c[0]; //Out of bounds
    if(s < c[0]){
        if(t < s || t > c[n-2]) return c[n-1];
 
 
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Compilation message (stderr)

paint.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
paint.cpp:39:1: warning: control reaches end of non-void function [-Wreturn-type]
   39 | }
      | ^
/usr/bin/ld: /tmp/cc71tU47.o: in function `main':
grader.cpp:(.text.startup+0x20b): undefined reference to `solve_puzzle(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status