CODE FESTIVAL 2016 Final

Submission #5394444

Source codeソースコード

#include <bits/stdc++.h>
#define fi first
#define se second
#define pii pair<int,int>
#define mp make_pair
#define pb push_back
#define space putchar(' ')
#define enter putchar('\n')
#define eps 1e-10
#define MAXN 200005
//#define ivorysi
using namespace std;
typedef long long int64;
typedef unsigned int u32;
typedef double db;
template<class T>
void read(T &res) {
    res = 0;T f = 1;char c = getchar();
    while(c < '0' || c > '9') {
	if(c == '-') f = -1;
	c = getchar();
    }
    while(c >= '0' && c <= '9') {
	res = res * 10 +c - '0';
	c = getchar();
    }
    res *= f;
}
template<class T>
void out(T x) {
    if(x < 0) {x = -x;putchar('-');}
    if(x >= 10) {
	out(x / 10);
    }
    putchar('0' + x % 10);
}
int fa[MAXN * 2],N,M,K;
int getfa(int x) {
    return x == fa[x] ? x : fa[x] = getfa(fa[x]);
}
void Solve() {
    read(N);read(M);
    for(int i = 1 ; i <= N + M ; ++i) fa[i] = i;
    int a;
    for(int i = 1 ; i <= N ; ++i) {
	read(K);
	for(int j = 1 ; j <= K ; ++j) {
	    read(a);
	    fa[getfa(i)] = getfa(a + N);
	}
    }
    for(int i = 1 ; i <= N ; ++i) {
	if(getfa(i) != getfa(1)) {puts("NO");return;}
    }
    puts("YES");
}
int main() {
#ifdef ivorysi
    freopen("f1.in","r",stdin);
#endif
    Solve();
    return 0;
}

Submission

Task問題 C - Interpretation
User nameユーザ名 sigongzi
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 400
Source lengthソースコード長 1314 Byte
File nameファイル名
Exec time実行時間 10 ms
Memory usageメモリ使用量 1408 KB

Test case

Set

Set name Score得点 / Max score Cases
sample - sample-01.txt,sample-02.txt
dataset1 200 / 200 sample-01.txt,sample-02.txt,01-01.txt,01-02.txt,01-03.txt,01-04.txt,01-05.txt,01-06.txt,01-07.txt,01-08.txt,01-09.txt,01-10.txt
dataset2 200 / 200 sample-01.txt,sample-02.txt,01-01.txt,01-02.txt,01-03.txt,01-04.txt,01-05.txt,01-06.txt,01-07.txt,01-08.txt,01-09.txt,01-10.txt,02-01.txt,02-02.txt,02-03.txt,02-04.txt,02-05.txt,02-06.txt,02-07.txt,02-08.txt,02-09.txt,02-10.txt,02-11.txt,02-12.txt,02-13.txt,sample-01.txt,sample-02.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
01-01.txt AC 1 ms 256 KB
01-02.txt AC 1 ms 256 KB
01-03.txt AC 1 ms 256 KB
01-04.txt AC 1 ms 256 KB
01-05.txt AC 1 ms 256 KB
01-06.txt AC 1 ms 256 KB
01-07.txt AC 1 ms 256 KB
01-08.txt AC 1 ms 256 KB
01-09.txt AC 1 ms 256 KB
01-10.txt AC 1 ms 256 KB
02-01.txt AC 9 ms 640 KB
02-02.txt AC 7 ms 640 KB
02-03.txt AC 9 ms 512 KB
02-04.txt AC 10 ms 896 KB
02-05.txt AC 9 ms 640 KB
02-06.txt AC 9 ms 896 KB
02-07.txt AC 8 ms 640 KB
02-08.txt AC 5 ms 640 KB
02-09.txt AC 8 ms 1024 KB
02-10.txt AC 8 ms 1408 KB
02-11.txt AC 7 ms 1408 KB
02-12.txt AC 8 ms 768 KB
02-13.txt AC 8 ms 768 KB
sample-01.txt AC 1 ms 256 KB
sample-02.txt AC 1 ms 256 KB