AtCoder Grand Contest 006

Submission #1365715

Source codeソースコード

#include<iostream>
#include<vector>
#include<algorithm>
#include<cstring>
#include<cstdio>
#include<cmath>
#include<cstdlib>
#include<ctime>
#include<queue>
#include<set>
using namespace std;
typedef long long LL;
const int N=2e5+100;
int gi() {
	int w=0;bool q=1;char c=getchar();
	while ((c<'0'||c>'9') && c!='-') c=getchar();
	if (c=='-') q=0,c=getchar();
	while (c>='0'&&c <= '9') w=w*10+c-'0',c=getchar();
	return q? w:-w;
}
int head[N],nxt[N],to[N],w[N];
int c[3],col[N],e;
bool vis[N],flag;
inline void dfs(int k,int d) {
	c[col[k]=d]++;vis[k]=true;
	for (int i=head[k];i;i=nxt[i],e++)
		if (!vis[to[i]]) dfs(to[i],(d+w[i])%3);
		else if ((d+w[i])%3!=col[to[i]]) flag=false;
}
int main()
{
	int n=gi(),m=gi(),i,a,b,tot=0;LL ans=0;
	for (i=1;i<=m;i++) {
		a=gi(),b=gi();
		to[++tot]=b,nxt[tot]=head[a],head[a]=tot,w[tot]=1;
		to[++tot]=a,nxt[tot]=head[b],head[b]=tot,w[tot]=2;
	}
	for (i=1;i<=n;i++)
		if (!vis[i]) {
			c[0]=c[1]=c[2]=e=0;
			flag=true;
			dfs(i,0);
			if (flag)
				if (c[0]&&c[1]&&c[2])
					ans+=1LL*c[0]*c[1]+1LL*c[0]*c[2]+1LL*c[1]*c[2];
				else ans+=e>>1;
			else ans+=1LL*(c[0]+c[1]+c[2])*(c[0]+c[1]+c[2]);
		}
	printf("%lld\n",ans);
	return 0;
}

Submission

Task問題 F - Blackout
User nameユーザ名 laofu
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 1700
Source lengthソースコード長 1228 Byte
File nameファイル名
Exec time実行時間 17 ms
Memory usageメモリ使用量 5504 KB

Test case

Set

Set name Score得点 / Max score Cases
Sample - 0_00.txt,0_01.txt,0_02.txt
All 1700 / 1700 0_00.txt,0_01.txt,0_02.txt,1_00.txt,1_01.txt,1_02.txt,1_03.txt,1_04.txt,1_05.txt,1_06.txt,1_07.txt,1_08.txt,1_09.txt,1_10.txt,1_11.txt,1_12.txt,1_13.txt,1_14.txt,1_15.txt,1_16.txt,1_17.txt,1_18.txt,1_19.txt,1_20.txt,1_21.txt,1_22.txt,1_23.txt,1_24.txt,1_25.txt,1_26.txt,1_27.txt,1_28.txt,1_29.txt,1_30.txt,1_31.txt,1_32.txt,1_33.txt,1_34.txt,1_35.txt,1_36.txt,1_37.txt,1_38.txt,1_39.txt,1_40.txt,1_41.txt,1_42.txt,1_43.txt,1_44.txt,1_45.txt,1_46.txt,1_47.txt,1_48.txt,1_49.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
0_00.txt AC 2 ms 2304 KB
0_01.txt AC 2 ms 2304 KB
0_02.txt AC 2 ms 2304 KB
1_00.txt AC 2 ms 2304 KB
1_01.txt AC 2 ms 2816 KB
1_02.txt AC 12 ms 3840 KB
1_03.txt AC 13 ms 5376 KB
1_04.txt AC 13 ms 5376 KB
1_05.txt AC 13 ms 5376 KB
1_06.txt AC 13 ms 5376 KB
1_07.txt AC 13 ms 5376 KB
1_08.txt AC 13 ms 5376 KB
1_09.txt AC 13 ms 5504 KB
1_10.txt AC 13 ms 5376 KB
1_11.txt AC 13 ms 5376 KB
1_12.txt AC 13 ms 5376 KB
1_13.txt AC 14 ms 5376 KB
1_14.txt AC 9 ms 3840 KB
1_15.txt AC 9 ms 3840 KB
1_16.txt AC 9 ms 3840 KB
1_17.txt AC 9 ms 3328 KB
1_18.txt AC 17 ms 4224 KB
1_19.txt AC 17 ms 4224 KB
1_20.txt AC 17 ms 4224 KB
1_21.txt AC 17 ms 4224 KB
1_22.txt AC 17 ms 4224 KB
1_23.txt AC 17 ms 4224 KB
1_24.txt AC 17 ms 4224 KB
1_25.txt AC 17 ms 4224 KB
1_26.txt AC 17 ms 4224 KB
1_27.txt AC 17 ms 4224 KB
1_28.txt AC 17 ms 4224 KB
1_29.txt AC 17 ms 4224 KB
1_30.txt AC 17 ms 4224 KB
1_31.txt AC 17 ms 4224 KB
1_32.txt AC 17 ms 4224 KB
1_33.txt AC 17 ms 4224 KB
1_34.txt AC 17 ms 4224 KB
1_35.txt AC 16 ms 3968 KB
1_36.txt AC 17 ms 4096 KB
1_37.txt AC 17 ms 4224 KB
1_38.txt AC 16 ms 3840 KB
1_39.txt AC 16 ms 3840 KB
1_40.txt AC 17 ms 4224 KB
1_41.txt AC 17 ms 4224 KB
1_42.txt AC 16 ms 3968 KB
1_43.txt AC 16 ms 3968 KB
1_44.txt AC 17 ms 4224 KB
1_45.txt AC 16 ms 3712 KB
1_46.txt AC 17 ms 4224 KB
1_47.txt AC 17 ms 4224 KB
1_48.txt AC 16 ms 3968 KB
1_49.txt AC 17 ms 4096 KB