제출 #42428

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
42428	2018-02-27 06:09:02	dqhungdl	우호 조약 체결 (JOI14_friends)	C++14	100 / 100	121 ms	69420 KiB

friends

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#include <bits/stdc++.h>
using namespace std;
int64_t n,m,res=0,P[100005],Size[100005];
bool Free[100005];
vector<int64_t> V,g[100005];
int64_t Find(int64_t u)
{
    if(u==P[u])
        return u;
    return P[u]=Find(P[u]);
}
void Union(int64_t u,int64_t v)
{
    if(Size[u]<Size[v])
        swap(u,v);
    P[v]=u;
    Size[u]+=Size[v];
}
void DFS(int64_t u)
{
    for(int64_t i=0;i<g[u].size();i++)
    {
        V.push_back(g[u][i]);
        if(Free[g[u][i]]==false)
        {
            Free[g[u][i]]=true;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

friends.cpp: In function 'void DFS(int64_t)':
friends.cpp:25:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int64_t i=0;i<g[u].size();i++)
                      ^
friends.cpp: In function 'int main()':
friends.cpp:57:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int64_t j=1;j<V.size();j++)
                              ^

• Subtask 1: 5 / 5
• Subtask 2: 30 / 30
• Subtask 3: 65 / 65