Submission #926352

# Submission time Handle Problem Language Result Execution time Memory
926352 2024-02-12T20:27:46 Z rainboy ROI16_sending (ROI16_sending) C
100 / 100
1026 ms 225696 KB
#include <stdio.h>
#include <stdlib.h>

#define N	200000
#define M	200000
#define L	19	/* L = ceil(log2(M * 2)) */
#define M_	(1 << L)
#define N_	(M_ * (L + 1) + 1)
#define INF	0x3f3f3f3f

int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }

unsigned int X = 12345;

int rand_() {
	return (X *= 3) >> 1;
}

int *ej[N], eo[N], *eh[N], eo_[N];

void append(int **ej, int *eo, int i, int j) {
	int o = eo[i]++;

	if (o >= 2 && (o & o - 1) == 0)
		ej[i] = (int *) realloc(ej[i], o * 2 * sizeof *ej[i]);
	ej[i][o] = j;
}

int dd[N], pp[N], qq[N], ta[N], tb[N];

int dfs1(int i, int d) {
	int o, s, k_, j_;

	dd[i] = d;
	s = 1, k_ = 0, j_ = -1;
	for (o = eo[i]; o--; ) {
		int j = ej[i][o], k = dfs1(j, d + 1);

		s += k;
		if (k_ < k)
			k_ = k, j_ = j;
	}
	qq[i] = j_;
	return s;
}

void dfs2(int i, int q) {
	static int time;
	int o, j_;

	ta[i] = time++;
	j_ = qq[i], qq[i] = q;
	if (j_ != -1)
		dfs2(j_, q);
	for (o = eo[i]; o--; ) {
		int j = ej[i][o];

		if (j != j_)
			dfs2(j, j);
	}
	tb[i] = time;
}

int lca(int i, int j) {
	while (qq[i] != qq[j])
		if (dd[qq[i]] > dd[qq[j]])
			i = pp[qq[i]];
		else
			j = pp[qq[j]];
	return dd[i] < dd[j] ? i : j;
}

int ii[M * 2], idx[M * 2];

void sort(int *hh, int l, int r) {
	while (l < r) {
		int i = l, j = l, k = r, h = hh[l + rand_() % (r - l)], tmp;

		while (j < k) {
			int c = ta[ii[hh[j]]] - ta[ii[h]];

			if (c == 0)
				j++;
			else if (c < 0) {
				tmp = hh[i], hh[i] = hh[j], hh[j] = tmp;
				i++, j++;
			} else {
				k--;
				tmp = hh[j], hh[j] = hh[k], hh[k] = tmp;
			}
		}
		sort(hh, l, i);
		l = k;
	}
}

int hh_[M_], dd1[M_ * 2], ddmn[M_ * 2], m_;

void build(int l, int r) {
	int m;

	if (r - l == 1)
		ddmn[l + r] = INF;
	else {
		m = (l + r) / 2;
		build(l, m), build(m, r);
		ddmn[l + r] = min(min(ddmn[l + m], dd1[m]), ddmn[m + r]);
	}
}

int ll[N_], rr[N_], ddp[N_], ddq[N_], ddmx[N_];

int node(int l, int r, int i) {
	static int _ = 1;
	int t = _++;

	if (r - l == 1)
		ddp[t] = ddq[t] = INF, ddmx[t] = -1;
	else {
		int m = (l + r) / 2;

		if (i < m) {
			ll[t] = node(l, m, i);
			ddp[t] = ddp[ll[t]], ddq[t] = min(min(ddq[ll[t]], dd1[m]), ddmn[m + r]);
		} else {
			rr[t] = node(m, r, i);
			ddp[t] = min(min(ddmn[l + m], dd1[m]), ddp[rr[t]]), ddq[t] = ddq[rr[t]];
		}
		ddmx[t] = -1;
	}
	return t;
}

int remove_(int t, int l, int r, int i) {
	int m;

	if (r - l == 1)
		t = 0;
	else {
		m = (l + r) / 2;
		if (i < m)
			ll[t] = remove_(ll[t], l, m, i);
		else
			rr[t] = remove_(rr[t], m, r, i);
		if (ll[t] == 0 && rr[t] == 0)
			t = 0;
		else {
			ddp[t] = ll[t] ? ddp[ll[t]] : min(min(ddmn[l + m], dd1[m]), ddp[rr[t]]);
			ddq[t] = rr[t] ? ddq[rr[t]] : min(min(ddq[ll[t]], dd1[m]), ddmn[m + r]);
			ddmx[t] = max(max(ddmx[ll[t]], ddmx[rr[t]]), min(min(ddq[ll[t]], dd1[m]), ddp[rr[t]]));
		}
	}
	return t;
}

int merge(int t1, int t2, int l, int r) {
	int m;

	if (t1 == 0)
		return t2;
	if (t2 == 0)
		return t1;
	m = (l + r) / 2;
	ll[t1] = merge(ll[t1], ll[t2], l, m), rr[t1] = merge(rr[t1], rr[t2], m, r);
	ddp[t1] = ll[t1] ? ddp[ll[t1]] : min(min(ddmn[l + m], dd1[m]), ddp[rr[t1]]);
	ddq[t1] = rr[t1] ? ddq[rr[t1]] : min(min(ddq[ll[t1]], dd1[m]), ddmn[m + r]);
	ddmx[t1] = max(max(ddmx[ll[t1]], ddmx[rr[t1]]), min(min(ddq[ll[t1]], dd1[m]), ddp[rr[t1]]));
	return t1;
}

int find_p(int t, int l, int r) {
	int m;

	if (r - l == 1)
		return hh_[l] >> 1;
	m = (l + r) / 2;
	return ll[t] ? find_p(ll[t], l, m) : find_p(rr[t], m, r);
}

int find_q(int t, int l, int r) {
	int m;

	if (r - l == 1)
		return hh_[l] >> 1;
	m = (l + r) / 2;
	return rr[t] ? find_q(rr[t], m, r) : find_q(ll[t], l, m);
}

void find_mx(int t, int l, int r, int *h1, int *h2) {
	int m;

	m = (l + r) / 2;
	if (ddmx[ll[t]] == ddmx[t])
		find_mx(ll[t], l, m, h1, h2);
	else if (ddmx[rr[t]] == ddmx[t])
		find_mx(rr[t], m, r, h1, h2);
	else
		*h1 = find_q(ll[t], l, m), *h2 = find_p(rr[t], m, r);
}

int t_, d_, h1_, h2_;

void dfs3(int i) {
	static int hh[M * 2], tt[M * 2], dd1[M * 2];
	int m, cnt, h, o, d, d1;

	if (eo_[i]) {
		m = 0;
		for (o = eo_[i]; o--; ) {
			h = eh[i][o];
			hh[m++] = h << 1 | 0, hh[m++] = h << 1 | 1;
		}
		sort(hh, 0, m);
		cnt = 0;
		for (h = 0; h <= m; h++) {
			d1 = h == 0 || h == m ? -1 : dd[lca(ii[hh[h]], ii[hh[h - 1]])];
			while (cnt >= 2 && dd1[cnt - 1] >= d1) {
				tt[cnt - 2] = merge(tt[cnt - 2], tt[cnt - 1], 0, m_);
				if (ddmx[tt[cnt - 2]] != -1) {
					d = dd1[cnt - 1] + ddmx[tt[cnt - 2]] - dd[i] * 2;
					if (d_ < d)
						d_ = d, find_mx(tt[cnt - 2], 0, m_, &h1_, &h2_);
				}
				cnt--;
			}
			if (h < m)
				tt[cnt] = node(0, m_, idx[hh[h] ^ 1]), dd1[cnt] = d1, cnt++;
		}
		t_ = merge(t_, tt[0], 0, m_);
	}
	if (ddmx[t_] != -1) {
		d = ddmx[t_] - dd[i];
		if (d_ < d)
			d_ = d, find_mx(t_, 0, m_, &h1_, &h2_);
	}
	for (o = eo[i]; o--; ) {
		int j = ej[i][o];

		dfs3(j);
	}
	for (o = eo_[i]; o--; ) {
		h = eh[i][o];
		t_ = remove_(t_, 0, m_, idx[h << 1 | 0]);
		t_ = remove_(t_, 0, m_, idx[h << 1 | 1]);
	}
}

int main() {
	int n, m, h, i, j;

	scanf("%d%d", &n, &m);
	for (i = 0; i < n; i++)
		ej[i] = (int *) malloc(2 * sizeof *ej[i]);
	for (i = 1; i < n; i++) {
		scanf("%d", &pp[i]), pp[i]--;
		append(ej, eo, pp[i], i);
	}
	dfs1(0, 0);
	dfs2(0, 0);
	for (i = 0; i < n; i++)
		eh[i] = (int *) malloc(2 * sizeof *eh[i]);
	for (h = 0; h < m; h++) {
		scanf("%d%d", &i, &j), i--, j--;
		ii[h << 1 | 0] = i, ii[h << 1 | 1] = j;
		append(eh, eo_, lca(i, j), h);
	}
	for (h = 0; h < m * 2; h++)
		hh_[h] = h;
	sort(hh_, 0, m * 2);
	for (h = 0; h < m * 2; h++)
		idx[hh_[h]] = h;
	for (h = 1; h < m * 2; h++)
		dd1[h] = dd[lca(ii[hh_[h - 1]], ii[hh_[h]])];
	m_ = 1;
	while (m_ < m * 2)
		m_ <<= 1;
	build(0, m_);
	ddp[0] = -1, ddq[0] = -1, ddmx[0] = -1;
	d_ = 0, h1_ = 0, h2_ = 1, dfs3(0);
	printf("%d\n", d_);
	printf("%d %d\n", h1_ + 1, h2_ + 1);
	return 0;
}

Compilation message

sending.c: In function 'append':
sending.c:25:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   25 |  if (o >= 2 && (o & o - 1) == 0)
      |                     ~~^~~
sending.c: In function 'main':
sending.c:252:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  252 |  scanf("%d%d", &n, &m);
      |  ^~~~~~~~~~~~~~~~~~~~~
sending.c:256:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  256 |   scanf("%d", &pp[i]), pp[i]--;
      |   ^~~~~~~~~~~~~~~~~~~
sending.c:264:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
  264 |   scanf("%d%d", &i, &j), i--, j--;
      |   ^~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 3 ms 31068 KB Output is correct
2 Correct 3 ms 31068 KB Output is correct
3 Correct 3 ms 31068 KB Output is correct
4 Correct 3 ms 31068 KB Output is correct
5 Correct 3 ms 31068 KB Output is correct
6 Correct 3 ms 31068 KB Output is correct
7 Correct 3 ms 31068 KB Output is correct
8 Correct 3 ms 31068 KB Output is correct
9 Correct 3 ms 31064 KB Output is correct
10 Correct 3 ms 31064 KB Output is correct
11 Correct 3 ms 31068 KB Output is correct
12 Correct 3 ms 31064 KB Output is correct
13 Correct 3 ms 31064 KB Output is correct
14 Correct 3 ms 31068 KB Output is correct
15 Correct 3 ms 31068 KB Output is correct
16 Correct 3 ms 31068 KB Output is correct
17 Correct 3 ms 31068 KB Output is correct
18 Correct 3 ms 31068 KB Output is correct
19 Correct 3 ms 31068 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 31068 KB Output is correct
2 Correct 3 ms 31068 KB Output is correct
3 Correct 3 ms 31068 KB Output is correct
4 Correct 3 ms 31068 KB Output is correct
5 Correct 3 ms 31068 KB Output is correct
6 Correct 3 ms 31068 KB Output is correct
7 Correct 3 ms 31068 KB Output is correct
8 Correct 3 ms 31068 KB Output is correct
9 Correct 3 ms 31064 KB Output is correct
10 Correct 3 ms 31064 KB Output is correct
11 Correct 3 ms 31068 KB Output is correct
12 Correct 3 ms 31064 KB Output is correct
13 Correct 3 ms 31064 KB Output is correct
14 Correct 3 ms 31068 KB Output is correct
15 Correct 3 ms 31068 KB Output is correct
16 Correct 3 ms 31068 KB Output is correct
17 Correct 3 ms 31068 KB Output is correct
18 Correct 3 ms 31068 KB Output is correct
19 Correct 3 ms 31068 KB Output is correct
20 Correct 6 ms 31324 KB Output is correct
21 Correct 5 ms 31324 KB Output is correct
22 Correct 5 ms 31836 KB Output is correct
23 Correct 5 ms 31580 KB Output is correct
24 Correct 5 ms 31580 KB Output is correct
25 Correct 5 ms 31456 KB Output is correct
26 Correct 5 ms 31836 KB Output is correct
27 Correct 5 ms 31580 KB Output is correct
28 Correct 6 ms 31324 KB Output is correct
29 Correct 5 ms 31836 KB Output is correct
30 Correct 5 ms 31836 KB Output is correct
31 Correct 5 ms 31836 KB Output is correct
32 Correct 5 ms 31728 KB Output is correct
33 Correct 5 ms 31540 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 31068 KB Output is correct
2 Correct 3 ms 31068 KB Output is correct
3 Correct 3 ms 31068 KB Output is correct
4 Correct 3 ms 31068 KB Output is correct
5 Correct 3 ms 31068 KB Output is correct
6 Correct 3 ms 31068 KB Output is correct
7 Correct 3 ms 31068 KB Output is correct
8 Correct 3 ms 31068 KB Output is correct
9 Correct 3 ms 31064 KB Output is correct
10 Correct 3 ms 31064 KB Output is correct
11 Correct 3 ms 31068 KB Output is correct
12 Correct 3 ms 31064 KB Output is correct
13 Correct 3 ms 31064 KB Output is correct
14 Correct 3 ms 31068 KB Output is correct
15 Correct 3 ms 31068 KB Output is correct
16 Correct 3 ms 31068 KB Output is correct
17 Correct 3 ms 31068 KB Output is correct
18 Correct 3 ms 31068 KB Output is correct
19 Correct 3 ms 31068 KB Output is correct
20 Correct 6 ms 31324 KB Output is correct
21 Correct 5 ms 31324 KB Output is correct
22 Correct 5 ms 31836 KB Output is correct
23 Correct 5 ms 31580 KB Output is correct
24 Correct 5 ms 31580 KB Output is correct
25 Correct 5 ms 31456 KB Output is correct
26 Correct 5 ms 31836 KB Output is correct
27 Correct 5 ms 31580 KB Output is correct
28 Correct 6 ms 31324 KB Output is correct
29 Correct 5 ms 31836 KB Output is correct
30 Correct 5 ms 31836 KB Output is correct
31 Correct 5 ms 31836 KB Output is correct
32 Correct 5 ms 31728 KB Output is correct
33 Correct 5 ms 31540 KB Output is correct
34 Correct 28 ms 37468 KB Output is correct
35 Correct 33 ms 37464 KB Output is correct
36 Correct 25 ms 46940 KB Output is correct
37 Correct 23 ms 42076 KB Output is correct
38 Correct 25 ms 42064 KB Output is correct
39 Correct 17 ms 37720 KB Output is correct
40 Correct 27 ms 46936 KB Output is correct
41 Correct 17 ms 37976 KB Output is correct
42 Correct 18 ms 37468 KB Output is correct
43 Correct 23 ms 45904 KB Output is correct
44 Correct 26 ms 45820 KB Output is correct
45 Correct 23 ms 45808 KB Output is correct
46 Correct 25 ms 45904 KB Output is correct
47 Correct 21 ms 38628 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 31068 KB Output is correct
2 Correct 3 ms 31068 KB Output is correct
3 Correct 3 ms 31068 KB Output is correct
4 Correct 3 ms 31068 KB Output is correct
5 Correct 3 ms 31068 KB Output is correct
6 Correct 3 ms 31068 KB Output is correct
7 Correct 3 ms 31068 KB Output is correct
8 Correct 3 ms 31068 KB Output is correct
9 Correct 3 ms 31064 KB Output is correct
10 Correct 3 ms 31064 KB Output is correct
11 Correct 3 ms 31068 KB Output is correct
12 Correct 3 ms 31064 KB Output is correct
13 Correct 3 ms 31064 KB Output is correct
14 Correct 3 ms 31068 KB Output is correct
15 Correct 3 ms 31068 KB Output is correct
16 Correct 3 ms 31068 KB Output is correct
17 Correct 3 ms 31068 KB Output is correct
18 Correct 3 ms 31068 KB Output is correct
19 Correct 3 ms 31068 KB Output is correct
20 Correct 6 ms 31324 KB Output is correct
21 Correct 5 ms 31324 KB Output is correct
22 Correct 5 ms 31836 KB Output is correct
23 Correct 5 ms 31580 KB Output is correct
24 Correct 5 ms 31580 KB Output is correct
25 Correct 5 ms 31456 KB Output is correct
26 Correct 5 ms 31836 KB Output is correct
27 Correct 5 ms 31580 KB Output is correct
28 Correct 6 ms 31324 KB Output is correct
29 Correct 5 ms 31836 KB Output is correct
30 Correct 5 ms 31836 KB Output is correct
31 Correct 5 ms 31836 KB Output is correct
32 Correct 5 ms 31728 KB Output is correct
33 Correct 5 ms 31540 KB Output is correct
34 Correct 28 ms 37468 KB Output is correct
35 Correct 33 ms 37464 KB Output is correct
36 Correct 25 ms 46940 KB Output is correct
37 Correct 23 ms 42076 KB Output is correct
38 Correct 25 ms 42064 KB Output is correct
39 Correct 17 ms 37720 KB Output is correct
40 Correct 27 ms 46936 KB Output is correct
41 Correct 17 ms 37976 KB Output is correct
42 Correct 18 ms 37468 KB Output is correct
43 Correct 23 ms 45904 KB Output is correct
44 Correct 26 ms 45820 KB Output is correct
45 Correct 23 ms 45808 KB Output is correct
46 Correct 25 ms 45904 KB Output is correct
47 Correct 21 ms 38628 KB Output is correct
48 Correct 38 ms 37980 KB Output is correct
49 Correct 40 ms 37992 KB Output is correct
50 Correct 35 ms 47196 KB Output is correct
51 Correct 30 ms 42588 KB Output is correct
52 Correct 30 ms 42588 KB Output is correct
53 Correct 23 ms 38232 KB Output is correct
54 Correct 36 ms 47188 KB Output is correct
55 Correct 24 ms 38492 KB Output is correct
56 Correct 26 ms 37968 KB Output is correct
57 Correct 29 ms 46928 KB Output is correct
58 Correct 28 ms 46684 KB Output is correct
59 Correct 26 ms 46676 KB Output is correct
60 Correct 34 ms 46936 KB Output is correct
61 Correct 33 ms 46164 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 127 ms 69500 KB Output is correct
2 Correct 199 ms 70156 KB Output is correct
3 Correct 182 ms 69712 KB Output is correct
4 Correct 170 ms 69792 KB Output is correct
5 Correct 126 ms 69588 KB Output is correct
6 Correct 175 ms 69460 KB Output is correct
7 Correct 188 ms 69708 KB Output is correct
8 Correct 185 ms 69608 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 129 ms 69460 KB Output is correct
2 Correct 136 ms 69592 KB Output is correct
3 Correct 138 ms 78672 KB Output is correct
4 Correct 128 ms 74064 KB Output is correct
5 Correct 140 ms 74116 KB Output is correct
6 Correct 147 ms 69940 KB Output is correct
7 Correct 140 ms 78676 KB Output is correct
8 Correct 119 ms 70228 KB Output is correct
9 Correct 110 ms 69460 KB Output is correct
10 Correct 99 ms 78996 KB Output is correct
11 Correct 62 ms 68292 KB Output is correct
12 Correct 57 ms 68292 KB Output is correct
13 Correct 149 ms 78908 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 31068 KB Output is correct
2 Correct 3 ms 31068 KB Output is correct
3 Correct 3 ms 31068 KB Output is correct
4 Correct 3 ms 31068 KB Output is correct
5 Correct 3 ms 31068 KB Output is correct
6 Correct 3 ms 31068 KB Output is correct
7 Correct 3 ms 31068 KB Output is correct
8 Correct 3 ms 31068 KB Output is correct
9 Correct 3 ms 31064 KB Output is correct
10 Correct 3 ms 31064 KB Output is correct
11 Correct 3 ms 31068 KB Output is correct
12 Correct 3 ms 31064 KB Output is correct
13 Correct 3 ms 31064 KB Output is correct
14 Correct 3 ms 31068 KB Output is correct
15 Correct 3 ms 31068 KB Output is correct
16 Correct 3 ms 31068 KB Output is correct
17 Correct 3 ms 31068 KB Output is correct
18 Correct 3 ms 31068 KB Output is correct
19 Correct 3 ms 31068 KB Output is correct
20 Correct 6 ms 31324 KB Output is correct
21 Correct 5 ms 31324 KB Output is correct
22 Correct 5 ms 31836 KB Output is correct
23 Correct 5 ms 31580 KB Output is correct
24 Correct 5 ms 31580 KB Output is correct
25 Correct 5 ms 31456 KB Output is correct
26 Correct 5 ms 31836 KB Output is correct
27 Correct 5 ms 31580 KB Output is correct
28 Correct 6 ms 31324 KB Output is correct
29 Correct 5 ms 31836 KB Output is correct
30 Correct 5 ms 31836 KB Output is correct
31 Correct 5 ms 31836 KB Output is correct
32 Correct 5 ms 31728 KB Output is correct
33 Correct 5 ms 31540 KB Output is correct
34 Correct 28 ms 37468 KB Output is correct
35 Correct 33 ms 37464 KB Output is correct
36 Correct 25 ms 46940 KB Output is correct
37 Correct 23 ms 42076 KB Output is correct
38 Correct 25 ms 42064 KB Output is correct
39 Correct 17 ms 37720 KB Output is correct
40 Correct 27 ms 46936 KB Output is correct
41 Correct 17 ms 37976 KB Output is correct
42 Correct 18 ms 37468 KB Output is correct
43 Correct 23 ms 45904 KB Output is correct
44 Correct 26 ms 45820 KB Output is correct
45 Correct 23 ms 45808 KB Output is correct
46 Correct 25 ms 45904 KB Output is correct
47 Correct 21 ms 38628 KB Output is correct
48 Correct 38 ms 37980 KB Output is correct
49 Correct 40 ms 37992 KB Output is correct
50 Correct 35 ms 47196 KB Output is correct
51 Correct 30 ms 42588 KB Output is correct
52 Correct 30 ms 42588 KB Output is correct
53 Correct 23 ms 38232 KB Output is correct
54 Correct 36 ms 47188 KB Output is correct
55 Correct 24 ms 38492 KB Output is correct
56 Correct 26 ms 37968 KB Output is correct
57 Correct 29 ms 46928 KB Output is correct
58 Correct 28 ms 46684 KB Output is correct
59 Correct 26 ms 46676 KB Output is correct
60 Correct 34 ms 46936 KB Output is correct
61 Correct 33 ms 46164 KB Output is correct
62 Correct 127 ms 69500 KB Output is correct
63 Correct 199 ms 70156 KB Output is correct
64 Correct 182 ms 69712 KB Output is correct
65 Correct 170 ms 69792 KB Output is correct
66 Correct 126 ms 69588 KB Output is correct
67 Correct 175 ms 69460 KB Output is correct
68 Correct 188 ms 69708 KB Output is correct
69 Correct 185 ms 69608 KB Output is correct
70 Correct 129 ms 69460 KB Output is correct
71 Correct 136 ms 69592 KB Output is correct
72 Correct 138 ms 78672 KB Output is correct
73 Correct 128 ms 74064 KB Output is correct
74 Correct 140 ms 74116 KB Output is correct
75 Correct 147 ms 69940 KB Output is correct
76 Correct 140 ms 78676 KB Output is correct
77 Correct 119 ms 70228 KB Output is correct
78 Correct 110 ms 69460 KB Output is correct
79 Correct 99 ms 78996 KB Output is correct
80 Correct 62 ms 68292 KB Output is correct
81 Correct 57 ms 68292 KB Output is correct
82 Correct 149 ms 78908 KB Output is correct
83 Correct 179 ms 70740 KB Output is correct
84 Correct 176 ms 70868 KB Output is correct
85 Correct 154 ms 79924 KB Output is correct
86 Correct 152 ms 75348 KB Output is correct
87 Correct 145 ms 75092 KB Output is correct
88 Correct 173 ms 70996 KB Output is correct
89 Correct 139 ms 79676 KB Output is correct
90 Correct 147 ms 71260 KB Output is correct
91 Correct 165 ms 70804 KB Output is correct
92 Correct 143 ms 79084 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 31068 KB Output is correct
2 Correct 3 ms 31068 KB Output is correct
3 Correct 3 ms 31068 KB Output is correct
4 Correct 3 ms 31068 KB Output is correct
5 Correct 3 ms 31068 KB Output is correct
6 Correct 3 ms 31068 KB Output is correct
7 Correct 3 ms 31068 KB Output is correct
8 Correct 3 ms 31068 KB Output is correct
9 Correct 3 ms 31064 KB Output is correct
10 Correct 3 ms 31064 KB Output is correct
11 Correct 3 ms 31068 KB Output is correct
12 Correct 3 ms 31064 KB Output is correct
13 Correct 3 ms 31064 KB Output is correct
14 Correct 3 ms 31068 KB Output is correct
15 Correct 3 ms 31068 KB Output is correct
16 Correct 3 ms 31068 KB Output is correct
17 Correct 3 ms 31068 KB Output is correct
18 Correct 3 ms 31068 KB Output is correct
19 Correct 3 ms 31068 KB Output is correct
20 Correct 6 ms 31324 KB Output is correct
21 Correct 5 ms 31324 KB Output is correct
22 Correct 5 ms 31836 KB Output is correct
23 Correct 5 ms 31580 KB Output is correct
24 Correct 5 ms 31580 KB Output is correct
25 Correct 5 ms 31456 KB Output is correct
26 Correct 5 ms 31836 KB Output is correct
27 Correct 5 ms 31580 KB Output is correct
28 Correct 6 ms 31324 KB Output is correct
29 Correct 5 ms 31836 KB Output is correct
30 Correct 5 ms 31836 KB Output is correct
31 Correct 5 ms 31836 KB Output is correct
32 Correct 5 ms 31728 KB Output is correct
33 Correct 5 ms 31540 KB Output is correct
34 Correct 28 ms 37468 KB Output is correct
35 Correct 33 ms 37464 KB Output is correct
36 Correct 25 ms 46940 KB Output is correct
37 Correct 23 ms 42076 KB Output is correct
38 Correct 25 ms 42064 KB Output is correct
39 Correct 17 ms 37720 KB Output is correct
40 Correct 27 ms 46936 KB Output is correct
41 Correct 17 ms 37976 KB Output is correct
42 Correct 18 ms 37468 KB Output is correct
43 Correct 23 ms 45904 KB Output is correct
44 Correct 26 ms 45820 KB Output is correct
45 Correct 23 ms 45808 KB Output is correct
46 Correct 25 ms 45904 KB Output is correct
47 Correct 21 ms 38628 KB Output is correct
48 Correct 38 ms 37980 KB Output is correct
49 Correct 40 ms 37992 KB Output is correct
50 Correct 35 ms 47196 KB Output is correct
51 Correct 30 ms 42588 KB Output is correct
52 Correct 30 ms 42588 KB Output is correct
53 Correct 23 ms 38232 KB Output is correct
54 Correct 36 ms 47188 KB Output is correct
55 Correct 24 ms 38492 KB Output is correct
56 Correct 26 ms 37968 KB Output is correct
57 Correct 29 ms 46928 KB Output is correct
58 Correct 28 ms 46684 KB Output is correct
59 Correct 26 ms 46676 KB Output is correct
60 Correct 34 ms 46936 KB Output is correct
61 Correct 33 ms 46164 KB Output is correct
62 Correct 127 ms 69500 KB Output is correct
63 Correct 199 ms 70156 KB Output is correct
64 Correct 182 ms 69712 KB Output is correct
65 Correct 170 ms 69792 KB Output is correct
66 Correct 126 ms 69588 KB Output is correct
67 Correct 175 ms 69460 KB Output is correct
68 Correct 188 ms 69708 KB Output is correct
69 Correct 185 ms 69608 KB Output is correct
70 Correct 129 ms 69460 KB Output is correct
71 Correct 136 ms 69592 KB Output is correct
72 Correct 138 ms 78672 KB Output is correct
73 Correct 128 ms 74064 KB Output is correct
74 Correct 140 ms 74116 KB Output is correct
75 Correct 147 ms 69940 KB Output is correct
76 Correct 140 ms 78676 KB Output is correct
77 Correct 119 ms 70228 KB Output is correct
78 Correct 110 ms 69460 KB Output is correct
79 Correct 99 ms 78996 KB Output is correct
80 Correct 62 ms 68292 KB Output is correct
81 Correct 57 ms 68292 KB Output is correct
82 Correct 149 ms 78908 KB Output is correct
83 Correct 179 ms 70740 KB Output is correct
84 Correct 176 ms 70868 KB Output is correct
85 Correct 154 ms 79924 KB Output is correct
86 Correct 152 ms 75348 KB Output is correct
87 Correct 145 ms 75092 KB Output is correct
88 Correct 173 ms 70996 KB Output is correct
89 Correct 139 ms 79676 KB Output is correct
90 Correct 147 ms 71260 KB Output is correct
91 Correct 165 ms 70804 KB Output is correct
92 Correct 143 ms 79084 KB Output is correct
93 Correct 946 ms 207956 KB Output is correct
94 Correct 903 ms 207284 KB Output is correct
95 Correct 751 ms 225696 KB Output is correct
96 Correct 796 ms 216548 KB Output is correct
97 Correct 813 ms 216292 KB Output is correct
98 Correct 1026 ms 208464 KB Output is correct
99 Correct 767 ms 225524 KB Output is correct
100 Correct 831 ms 208320 KB Output is correct
101 Correct 836 ms 207672 KB Output is correct
102 Correct 483 ms 225364 KB Output is correct
103 Correct 239 ms 139088 KB Output is correct
104 Correct 204 ms 138900 KB Output is correct
105 Correct 750 ms 224456 KB Output is correct
106 Correct 826 ms 224640 KB Output is correct