Submission #333181

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
333181	2020-12-04T21:28:42 Z	emaborevkovic	Bigger segments (IZhO19_segments)	C++17	100 / 100	620 ms	44524 KB

segments

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
#define pb push_back
#define mp make_pair
#define ff first
#define ss second

const int N = 5*1e5+11;
int n, off = 1;
ll a[N], b[N], z[N], ak[N];
ll t[4*N], lazy[4*N];

void clear (int x) {
	t[x] += lazy[x];
	if (x < off) {
		lazy[x*2] += lazy[x];
		lazy[x*2+1] += lazy[x];
	}
	lazy[x] = 0;
}

ll update(int cf, int ct, int lf, int lt, ll c, int node) {
	clear(node);
	if (cf > lt || ct < lf) return t[node];
	if (cf >= lf && ct <= lt) {
		lazy[node] += c;
		clear(node);
		return t[node];
	}
	int mid = (cf+ct)/2;
	update(cf, mid, lf, lt, c, node*2);
	update(mid+1, ct, lf, lt, c, node*2+1);
	return t[node] = max(t[node*2], t[node*2+1]);
}

int upit(int cf, int ct, int node) {
	clear(node); 
	if (cf != ct) {
		clear(node*2); 
		clear(node*2+1);
	}
	int mid = (cf+ct)/2;
	if (cf == ct) return cf;
	if (t[node*2+1] >= 0) return upit(mid+1, ct, node*2+1);
	return upit(cf, mid, node*2);
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin >> n;
	while (off < n+1) off *= 2;
	for (int i=0;i<n;i++) {
		cin >> a[i];
		ak[i] = a[i];
		if (i > 0) ak[i] += ak[i-1];
	}
	memset(t, -1, sizeof t);
	b[0] = a[0]; z[0] = -1;
	update(0, off-1, 0, 0, a[0]+1, 1);
	for (int i=1;i<n;i++) {
		update(0, off-1, i, i, -b[i-1]+1, 1);
		update(0, off-1, 0, i, a[i], 1);
		int pos = upit(0, off-1, 1);
		z[i] = pos-1;
		b[i] = ak[i];
		if (pos > 0) b[i] -= ak[pos-1];
	}
	int br = 0;
	int x = n-1;
	while (x >= 0) {
		br++;
		x = z[x];
	}
	cout << br;
	return 0;
}

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	15980 KB	Output is correct
2	Correct	9 ms	15980 KB	Output is correct
3	Correct	9 ms	15980 KB	Output is correct
4	Correct	9 ms	15980 KB	Output is correct
5	Correct	9 ms	15980 KB	Output is correct
6	Correct	9 ms	15980 KB	Output is correct
7	Correct	9 ms	15980 KB	Output is correct
8	Correct	9 ms	15980 KB	Output is correct
9	Correct	9 ms	15980 KB	Output is correct
10	Correct	9 ms	15980 KB	Output is correct
11	Correct	9 ms	15980 KB	Output is correct
12	Correct	9 ms	15980 KB	Output is correct
13	Correct	9 ms	15980 KB	Output is correct
14	Correct	9 ms	15980 KB	Output is correct
15	Correct	9 ms	15980 KB	Output is correct

Subtask #2
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	15980 KB	Output is correct
2	Correct	9 ms	15980 KB	Output is correct
3	Correct	9 ms	15980 KB	Output is correct
4	Correct	9 ms	15980 KB	Output is correct
5	Correct	9 ms	15980 KB	Output is correct
6	Correct	9 ms	15980 KB	Output is correct
7	Correct	9 ms	15980 KB	Output is correct
8	Correct	9 ms	15980 KB	Output is correct
9	Correct	9 ms	15980 KB	Output is correct
10	Correct	9 ms	15980 KB	Output is correct
11	Correct	9 ms	15980 KB	Output is correct
12	Correct	9 ms	15980 KB	Output is correct
13	Correct	9 ms	15980 KB	Output is correct
14	Correct	9 ms	15980 KB	Output is correct
15	Correct	9 ms	15980 KB	Output is correct
16	Correct	9 ms	16108 KB	Output is correct
17	Correct	9 ms	16108 KB	Output is correct
18	Correct	9 ms	16108 KB	Output is correct
19	Correct	10 ms	16108 KB	Output is correct
20	Correct	9 ms	16108 KB	Output is correct
21	Correct	9 ms	16108 KB	Output is correct
22	Correct	9 ms	16108 KB	Output is correct
23	Correct	9 ms	15980 KB	Output is correct
24	Correct	10 ms	16108 KB	Output is correct
25	Correct	9 ms	16108 KB	Output is correct
26	Correct	9 ms	16108 KB	Output is correct
27	Correct	9 ms	16108 KB	Output is correct
28	Correct	9 ms	16108 KB	Output is correct
29	Correct	9 ms	16108 KB	Output is correct
30	Correct	9 ms	16108 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	15980 KB	Output is correct
2	Correct	9 ms	15980 KB	Output is correct
3	Correct	9 ms	15980 KB	Output is correct
4	Correct	9 ms	15980 KB	Output is correct
5	Correct	9 ms	15980 KB	Output is correct
6	Correct	9 ms	15980 KB	Output is correct
7	Correct	9 ms	15980 KB	Output is correct
8	Correct	9 ms	15980 KB	Output is correct
9	Correct	9 ms	15980 KB	Output is correct
10	Correct	9 ms	15980 KB	Output is correct
11	Correct	9 ms	15980 KB	Output is correct
12	Correct	9 ms	15980 KB	Output is correct
13	Correct	9 ms	15980 KB	Output is correct
14	Correct	9 ms	15980 KB	Output is correct
15	Correct	9 ms	15980 KB	Output is correct
16	Correct	9 ms	16108 KB	Output is correct
17	Correct	9 ms	16108 KB	Output is correct
18	Correct	9 ms	16108 KB	Output is correct
19	Correct	10 ms	16108 KB	Output is correct
20	Correct	9 ms	16108 KB	Output is correct
21	Correct	9 ms	16108 KB	Output is correct
22	Correct	9 ms	16108 KB	Output is correct
23	Correct	9 ms	15980 KB	Output is correct
24	Correct	10 ms	16108 KB	Output is correct
25	Correct	9 ms	16108 KB	Output is correct
26	Correct	9 ms	16108 KB	Output is correct
27	Correct	9 ms	16108 KB	Output is correct
28	Correct	9 ms	16108 KB	Output is correct
29	Correct	9 ms	16108 KB	Output is correct
30	Correct	9 ms	16108 KB	Output is correct
31	Correct	11 ms	16236 KB	Output is correct
32	Correct	13 ms	16236 KB	Output is correct
33	Correct	11 ms	16256 KB	Output is correct
34	Correct	11 ms	16236 KB	Output is correct
35	Correct	12 ms	16236 KB	Output is correct
36	Correct	11 ms	16236 KB	Output is correct
37	Correct	11 ms	16108 KB	Output is correct
38	Correct	10 ms	16108 KB	Output is correct
39	Correct	12 ms	16236 KB	Output is correct
40	Correct	11 ms	16236 KB	Output is correct
41	Correct	11 ms	16236 KB	Output is correct
42	Correct	13 ms	16236 KB	Output is correct
43	Correct	12 ms	16236 KB	Output is correct
44	Correct	11 ms	16236 KB	Output is correct
45	Correct	11 ms	16236 KB	Output is correct

Subtask #4
36.0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	15980 KB	Output is correct
2	Correct	9 ms	15980 KB	Output is correct
3	Correct	9 ms	15980 KB	Output is correct
4	Correct	9 ms	15980 KB	Output is correct
5	Correct	9 ms	15980 KB	Output is correct
6	Correct	9 ms	15980 KB	Output is correct
7	Correct	9 ms	15980 KB	Output is correct
8	Correct	9 ms	15980 KB	Output is correct
9	Correct	9 ms	15980 KB	Output is correct
10	Correct	9 ms	15980 KB	Output is correct
11	Correct	9 ms	15980 KB	Output is correct
12	Correct	9 ms	15980 KB	Output is correct
13	Correct	9 ms	15980 KB	Output is correct
14	Correct	9 ms	15980 KB	Output is correct
15	Correct	9 ms	15980 KB	Output is correct
16	Correct	9 ms	16108 KB	Output is correct
17	Correct	9 ms	16108 KB	Output is correct
18	Correct	9 ms	16108 KB	Output is correct
19	Correct	10 ms	16108 KB	Output is correct
20	Correct	9 ms	16108 KB	Output is correct
21	Correct	9 ms	16108 KB	Output is correct
22	Correct	9 ms	16108 KB	Output is correct
23	Correct	9 ms	15980 KB	Output is correct
24	Correct	10 ms	16108 KB	Output is correct
25	Correct	9 ms	16108 KB	Output is correct
26	Correct	9 ms	16108 KB	Output is correct
27	Correct	9 ms	16108 KB	Output is correct
28	Correct	9 ms	16108 KB	Output is correct
29	Correct	9 ms	16108 KB	Output is correct
30	Correct	9 ms	16108 KB	Output is correct
31	Correct	11 ms	16236 KB	Output is correct
32	Correct	13 ms	16236 KB	Output is correct
33	Correct	11 ms	16256 KB	Output is correct
34	Correct	11 ms	16236 KB	Output is correct
35	Correct	12 ms	16236 KB	Output is correct
36	Correct	11 ms	16236 KB	Output is correct
37	Correct	11 ms	16108 KB	Output is correct
38	Correct	10 ms	16108 KB	Output is correct
39	Correct	12 ms	16236 KB	Output is correct
40	Correct	11 ms	16236 KB	Output is correct
41	Correct	11 ms	16236 KB	Output is correct
42	Correct	13 ms	16236 KB	Output is correct
43	Correct	12 ms	16236 KB	Output is correct
44	Correct	11 ms	16236 KB	Output is correct
45	Correct	11 ms	16236 KB	Output is correct
46	Correct	112 ms	20716 KB	Output is correct
47	Correct	113 ms	20716 KB	Output is correct
48	Correct	117 ms	20844 KB	Output is correct
49	Correct	118 ms	20844 KB	Output is correct
50	Correct	119 ms	20716 KB	Output is correct
51	Correct	119 ms	20716 KB	Output is correct
52	Correct	60 ms	18412 KB	Output is correct
53	Correct	38 ms	17516 KB	Output is correct
54	Correct	114 ms	20716 KB	Output is correct
55	Correct	119 ms	20716 KB	Output is correct
56	Correct	116 ms	20716 KB	Output is correct
57	Correct	114 ms	20716 KB	Output is correct
58	Correct	114 ms	20716 KB	Output is correct
59	Correct	115 ms	20716 KB	Output is correct
60	Correct	117 ms	20716 KB	Output is correct

Subtask #5
27.0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	15980 KB	Output is correct
2	Correct	9 ms	15980 KB	Output is correct
3	Correct	9 ms	15980 KB	Output is correct
4	Correct	9 ms	15980 KB	Output is correct
5	Correct	9 ms	15980 KB	Output is correct
6	Correct	9 ms	15980 KB	Output is correct
7	Correct	9 ms	15980 KB	Output is correct
8	Correct	9 ms	15980 KB	Output is correct
9	Correct	9 ms	15980 KB	Output is correct
10	Correct	9 ms	15980 KB	Output is correct
11	Correct	9 ms	15980 KB	Output is correct
12	Correct	9 ms	15980 KB	Output is correct
13	Correct	9 ms	15980 KB	Output is correct
14	Correct	9 ms	15980 KB	Output is correct
15	Correct	9 ms	15980 KB	Output is correct
16	Correct	9 ms	16108 KB	Output is correct
17	Correct	9 ms	16108 KB	Output is correct
18	Correct	9 ms	16108 KB	Output is correct
19	Correct	10 ms	16108 KB	Output is correct
20	Correct	9 ms	16108 KB	Output is correct
21	Correct	9 ms	16108 KB	Output is correct
22	Correct	9 ms	16108 KB	Output is correct
23	Correct	9 ms	15980 KB	Output is correct
24	Correct	10 ms	16108 KB	Output is correct
25	Correct	9 ms	16108 KB	Output is correct
26	Correct	9 ms	16108 KB	Output is correct
27	Correct	9 ms	16108 KB	Output is correct
28	Correct	9 ms	16108 KB	Output is correct
29	Correct	9 ms	16108 KB	Output is correct
30	Correct	9 ms	16108 KB	Output is correct
31	Correct	11 ms	16236 KB	Output is correct
32	Correct	13 ms	16236 KB	Output is correct
33	Correct	11 ms	16256 KB	Output is correct
34	Correct	11 ms	16236 KB	Output is correct
35	Correct	12 ms	16236 KB	Output is correct
36	Correct	11 ms	16236 KB	Output is correct
37	Correct	11 ms	16108 KB	Output is correct
38	Correct	10 ms	16108 KB	Output is correct
39	Correct	12 ms	16236 KB	Output is correct
40	Correct	11 ms	16236 KB	Output is correct
41	Correct	11 ms	16236 KB	Output is correct
42	Correct	13 ms	16236 KB	Output is correct
43	Correct	12 ms	16236 KB	Output is correct
44	Correct	11 ms	16236 KB	Output is correct
45	Correct	11 ms	16236 KB	Output is correct
46	Correct	112 ms	20716 KB	Output is correct
47	Correct	113 ms	20716 KB	Output is correct
48	Correct	117 ms	20844 KB	Output is correct
49	Correct	118 ms	20844 KB	Output is correct
50	Correct	119 ms	20716 KB	Output is correct
51	Correct	119 ms	20716 KB	Output is correct
52	Correct	60 ms	18412 KB	Output is correct
53	Correct	38 ms	17516 KB	Output is correct
54	Correct	114 ms	20716 KB	Output is correct
55	Correct	119 ms	20716 KB	Output is correct
56	Correct	116 ms	20716 KB	Output is correct
57	Correct	114 ms	20716 KB	Output is correct
58	Correct	114 ms	20716 KB	Output is correct
59	Correct	115 ms	20716 KB	Output is correct
60	Correct	117 ms	20716 KB	Output is correct
61	Correct	592 ms	39660 KB	Output is correct
62	Correct	594 ms	39532 KB	Output is correct
63	Correct	595 ms	39492 KB	Output is correct
64	Correct	612 ms	39584 KB	Output is correct
65	Correct	619 ms	44396 KB	Output is correct
66	Correct	613 ms	44508 KB	Output is correct
67	Correct	494 ms	38736 KB	Output is correct
68	Correct	242 ms	27372 KB	Output is correct
69	Correct	585 ms	40684 KB	Output is correct
70	Correct	620 ms	44524 KB	Output is correct
71	Correct	596 ms	41548 KB	Output is correct
72	Correct	606 ms	41904 KB	Output is correct
73	Correct	606 ms	42604 KB	Output is correct
74	Correct	605 ms	42920 KB	Output is correct
75	Correct	607 ms	42860 KB	Output is correct

Submission #333181

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 36.0 / 36.0

Subtask #5 27.0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
36.0 / 36.0

Subtask #5
27.0 / 27.0