Submission #1059947

#TimeUsernameProblemLanguageResultExecution timeMemory
1059947UnforgettableplSplit the Attractions (IOI19_split)C++17
0 / 100
50 ms13504 KiB
#include "split.h" #include <bits/stdc++.h> using namespace std; vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) { vector<int> res(n); vector<bool> visited(n); vector<vector<int>> adj(n); for(int i=0;i<p.size();i++)adj[p[i]].emplace_back(q[i]); for(int i=0;i<p.size();i++)adj[q[i]].emplace_back(p[i]); int chosen = 0; int curr = 0; int tar = 0; function<void(int)> dfs = [&](int x) { if(visited[x])return; visited[x]=true; res[x]=curr; if(++chosen==tar)return; for(int&i:adj[x]) { dfs(i); if(chosen==tar)return; } }; curr = 1; tar = a; for(int i=0;i<n;i++)if(!visited[i]){ dfs(i); break; } curr = 2; tar = a+b; for(int i=0;i<n;i++)if(!visited[i]){ dfs(i); break; } curr = 3; tar = a+b+c; for(int i=0;i<n;i++)if(!visited[i]){ dfs(i); break; } return res; }

Compilation message (stderr)

split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:9:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |  for(int i=0;i<p.size();i++)adj[p[i]].emplace_back(q[i]);
      |              ~^~~~~~~~~
split.cpp:10:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |  for(int i=0;i<p.size();i++)adj[q[i]].emplace_back(p[i]);
      |              ~^~~~~~~~~
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