Submission #291104

#	Time	Username	Problem	Language	Result	Execution time	Memory
291104		Pichon5	Split the Attractions (IOI19_split)	C++17	7 / 100	120 ms	13428 KiB

split

#include<bits/stdc++.h>
#include "split.h"
#define vi vector<int>
#define pb push_back
#define F first
using namespace std;
vector<vector<int> >G;
vector<bool>vis;
vi res;
vi v;
void dfs(int u){
    vis[u]=true;
    v.pb(u);
    for(int i=0;i<G[u].size();i++){
        if(vis[G[u][i]]==true){
            continue;
        }
        dfs(G[u][i]);
    }
}
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
    G.assign(n,vector<int>());
    for(int i=0;i<p.size();i++){
        G[p[i]].pb(q[i]);
        G[q[i]].pb(p[i]);
    }
    res.resize(n);
    vis.assign(n,false);
    dfs(0);
    for(int i=0;i<n;i++){
        if(a>0){
            res[v[i]]=1;
            a--;
            continue;
        }
        if(b>0){
            res[v[i]]=2;
            b--;
            continue;
        }
        res[v[i]]=3;
    }
    return res;
}

Compilation message (stderr)

split.cpp: In function 'void dfs(int)':
split.cpp:14:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(int i=0;i<G[u].size();i++){
      |                 ~^~~~~~~~~~~~
split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:23:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for(int i=0;i<p.size();i++){
      |                 ~^~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 22
• Subtask 4: 0 / 24
• Subtask 5: 0 / 36