Submission #56493

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
56493	2018-07-11 13:24:52	red1108	산만한 고양이 (KOI17_cat)	C++17	45 / 100	542 ms	263168 KiB

cat

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#include <stdio.h>
#include <algorithm>
#include <vector>
typedef long long ll;
using namespace std;
vector<int> graph[300010];
int visit[300010], comp[300010],link[300010];
int n, m,vcnt;
int dfs(int now, int from)
{
    int cmp=1,ret,child=0;
    ret=visit[now]=++vcnt;
    for(auto i:graph[now])
    {
        if(i==from) continue;
        if(!visit[i])
        {
            int df;
            df=dfs(i,now);
            if(df>=visit[now]) cmp++;
            ret=min(ret,df);
            child++;
        }
        else ret=min(ret,visit[i]);
    }
    if(from==0) cmp=child;
    comp[now]=cmp;
    return ret;
}
int main()
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

cat.cpp: In function 'int main()':
cat.cpp:32:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~~
cat.cpp:36:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &a, &b);
         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 10 / 10
• Subtask 3: 23 / 23
• Subtask 4: 0 / 55