제출 #212775

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
212775	2020-03-24 09:35:14	Alexa2001	Chameleon's Love (JOI20_chameleon)	C++17	40 / 100	55 ms	888 KiB

chameleon

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#include "chameleon.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
namespace
{
    vector<int> bad[1000];
    int n;
    int color[1000];
}
void dfs(int node, int C = 1)
{
    color[node] = C;
    for(auto it : bad[node])
        if(!color[it])
            dfs(it, 3 - C);
}
static void color_nodes()
{
    memset(color, 0, sizeof(color));
    int i;
    for(i=1; i<=2*n; ++i)
        if(!color[i])
            dfs(i);
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

chameleon.cpp: In function 'void cbin(int, const std::vector<int>&)':
chameleon.cpp:49:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(Query(q) == q.size()) return;
            ~~~~~~~~~^~~~~~~~~~~
chameleon.cpp:58:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(Query(q) == q.size()) st = mid + 1;
                ~~~~~~~~~^~~~~~~~~~~

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