답안 #13540

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
13540 2015-02-23T11:41:17 Z ainta 낙하산 고리들 (IOI12_rings) C++
100 / 100
1111 ms 56956 KB
int n, cyc, Res;
int E[1010000][3], deg[5][1010000], chk[5], Num[5];
int par[5][1010000], SZ[1010000];
void Init(int N_) {
	n = N_;
	Res = n;
	int i;
	for (i = 1; i <= n; i++)SZ[i] = 1, par[0][i] = i;
}

int Find(int ck, int a){
	if (par[ck][a] == a)return a;
	return par[ck][a] = Find(ck, par[ck][a]);
}

void Add(int ck, int a, int b){
	if (chk[ck])return;
	if (ck && (Num[ck] == a || Num[ck] == b))return;
	if (!ck){
		E[a][deg[0][a]] = b, E[b][deg[0][b]] = a;
	}
	deg[ck][a]++, deg[ck][b]++;
	if (ck && (deg[ck][a] >= 3 || deg[ck][b] >= 3)){
		chk[ck] = 1;
		return;
	}
	a = Find(ck, a), b = Find(ck, b);
	if (a == b){
		if (!ck){
			cyc++;
			if (cyc == 1)Res = SZ[a];
		}
		else chk[ck] = 1;
	}
	else{
		par[ck][a] = b;
		if (!ck){
			SZ[b] += SZ[a];
			SZ[a] = 0;
		}
	}
}

void Make(int a){
	int i, j, k, x;
	Num[1] = a;
	for (i = 0; i < 3; i++){
		Num[2 + i] = E[a][i];
	}
	chk[0] = 1;
	for (k = 1; k <= 4; k++){
		for (i = 1; i <= n; i++)par[k][i] = i;
		for (i = 1; i <= n; i++){
			for (j = 0; j < deg[0][i]; j++){
				x = E[i][j];
				if (i == Num[k] || x == Num[k] || x > i)continue;
				Add(k, i, x);
			}
		}
	}
}

void Link(int A, int B) {
	if (!Res)return;
	A++, B++;
	if (!chk[0]){
		if (cyc == 2)Res = 0;
		Add(0, A, B);
		if (deg[0][A] == 3){
			Make(A);
		}
		else if (deg[0][B] == 3){
			Make(B);
		}
	}
	else{
		int i;
		for (i = 1; i <= 4; i++)Add(i, A, B);
	}
}

int CountCritical() {
	if (!chk[0]){
		if (cyc == 2)Res = 0;
		return Res;
	}
	int i, r = 0;
	for (i = 1; i <= 4; i++)if (!chk[i])r++;
	return r;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 664 KB Output is correct
3 Correct 4 ms 808 KB Output is correct
4 Correct 2 ms 808 KB Output is correct
5 Correct 3 ms 808 KB Output is correct
6 Correct 3 ms 808 KB Output is correct
7 Correct 2 ms 852 KB Output is correct
8 Correct 3 ms 852 KB Output is correct
9 Correct 4 ms 852 KB Output is correct
10 Correct 4 ms 852 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 318 ms 12864 KB Output is correct
2 Correct 587 ms 44628 KB Output is correct
3 Correct 381 ms 55252 KB Output is correct
4 Correct 865 ms 55252 KB Output is correct
5 Correct 842 ms 55252 KB Output is correct
6 Correct 827 ms 55252 KB Output is correct
7 Correct 349 ms 55380 KB Output is correct
8 Correct 927 ms 55380 KB Output is correct
9 Correct 1111 ms 55380 KB Output is correct
10 Correct 630 ms 55380 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 664 KB Output is correct
3 Correct 4 ms 808 KB Output is correct
4 Correct 2 ms 808 KB Output is correct
5 Correct 3 ms 808 KB Output is correct
6 Correct 3 ms 808 KB Output is correct
7 Correct 2 ms 852 KB Output is correct
8 Correct 3 ms 852 KB Output is correct
9 Correct 4 ms 852 KB Output is correct
10 Correct 4 ms 852 KB Output is correct
11 Correct 4 ms 55380 KB Output is correct
12 Correct 11 ms 55380 KB Output is correct
13 Correct 6 ms 55380 KB Output is correct
14 Correct 4 ms 55380 KB Output is correct
15 Correct 5 ms 55380 KB Output is correct
16 Correct 5 ms 55380 KB Output is correct
17 Correct 6 ms 55380 KB Output is correct
18 Correct 6 ms 55380 KB Output is correct
19 Correct 5 ms 55380 KB Output is correct
20 Correct 7 ms 55380 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 664 KB Output is correct
3 Correct 4 ms 808 KB Output is correct
4 Correct 2 ms 808 KB Output is correct
5 Correct 3 ms 808 KB Output is correct
6 Correct 3 ms 808 KB Output is correct
7 Correct 2 ms 852 KB Output is correct
8 Correct 3 ms 852 KB Output is correct
9 Correct 4 ms 852 KB Output is correct
10 Correct 4 ms 852 KB Output is correct
11 Correct 4 ms 55380 KB Output is correct
12 Correct 11 ms 55380 KB Output is correct
13 Correct 6 ms 55380 KB Output is correct
14 Correct 4 ms 55380 KB Output is correct
15 Correct 5 ms 55380 KB Output is correct
16 Correct 5 ms 55380 KB Output is correct
17 Correct 6 ms 55380 KB Output is correct
18 Correct 6 ms 55380 KB Output is correct
19 Correct 5 ms 55380 KB Output is correct
20 Correct 7 ms 55380 KB Output is correct
21 Correct 18 ms 55380 KB Output is correct
22 Correct 30 ms 55380 KB Output is correct
23 Correct 41 ms 55380 KB Output is correct
24 Correct 43 ms 55380 KB Output is correct
25 Correct 18 ms 55380 KB Output is correct
26 Correct 40 ms 55380 KB Output is correct
27 Correct 42 ms 55380 KB Output is correct
28 Correct 39 ms 55380 KB Output is correct
29 Correct 34 ms 55380 KB Output is correct
30 Correct 46 ms 55380 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 664 KB Output is correct
3 Correct 4 ms 808 KB Output is correct
4 Correct 2 ms 808 KB Output is correct
5 Correct 3 ms 808 KB Output is correct
6 Correct 3 ms 808 KB Output is correct
7 Correct 2 ms 852 KB Output is correct
8 Correct 3 ms 852 KB Output is correct
9 Correct 4 ms 852 KB Output is correct
10 Correct 4 ms 852 KB Output is correct
11 Correct 318 ms 12864 KB Output is correct
12 Correct 587 ms 44628 KB Output is correct
13 Correct 381 ms 55252 KB Output is correct
14 Correct 865 ms 55252 KB Output is correct
15 Correct 842 ms 55252 KB Output is correct
16 Correct 827 ms 55252 KB Output is correct
17 Correct 349 ms 55380 KB Output is correct
18 Correct 927 ms 55380 KB Output is correct
19 Correct 1111 ms 55380 KB Output is correct
20 Correct 630 ms 55380 KB Output is correct
21 Correct 4 ms 55380 KB Output is correct
22 Correct 11 ms 55380 KB Output is correct
23 Correct 6 ms 55380 KB Output is correct
24 Correct 4 ms 55380 KB Output is correct
25 Correct 5 ms 55380 KB Output is correct
26 Correct 5 ms 55380 KB Output is correct
27 Correct 6 ms 55380 KB Output is correct
28 Correct 6 ms 55380 KB Output is correct
29 Correct 5 ms 55380 KB Output is correct
30 Correct 7 ms 55380 KB Output is correct
31 Correct 18 ms 55380 KB Output is correct
32 Correct 30 ms 55380 KB Output is correct
33 Correct 41 ms 55380 KB Output is correct
34 Correct 43 ms 55380 KB Output is correct
35 Correct 18 ms 55380 KB Output is correct
36 Correct 40 ms 55380 KB Output is correct
37 Correct 42 ms 55380 KB Output is correct
38 Correct 39 ms 55380 KB Output is correct
39 Correct 34 ms 55380 KB Output is correct
40 Correct 46 ms 55380 KB Output is correct
41 Correct 195 ms 55380 KB Output is correct
42 Correct 597 ms 55380 KB Output is correct
43 Correct 245 ms 55380 KB Output is correct
44 Correct 335 ms 55380 KB Output is correct
45 Correct 504 ms 55756 KB Output is correct
46 Correct 637 ms 55756 KB Output is correct
47 Correct 742 ms 55756 KB Output is correct
48 Correct 328 ms 56956 KB Output is correct
49 Correct 616 ms 56956 KB Output is correct
50 Correct 644 ms 56956 KB Output is correct
51 Correct 257 ms 56956 KB Output is correct
52 Correct 334 ms 56956 KB Output is correct
53 Correct 305 ms 56956 KB Output is correct
54 Correct 892 ms 56956 KB Output is correct
55 Correct 502 ms 56956 KB Output is correct