Submission #526530

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
526530	2022-02-15T06:19:29 Z	Bill_00	Bigger segments (IZhO19_segments)	C++14	100 / 100	192 ms	25224 KB

segments

#include <bits/stdc++.h>
#define MOD 1000000007
#define ff first
#define ss second
#define N 500005
typedef long long ll;
const ll mx = 1e9 + 100005;
using namespace std;
ll a[N], M[N], H[N], sum[N], mn[4 * N];

ll solve(ll id, ll l, ll r, ll val){
	ll m = l + r >> 1;
	if(l == r) return l;
	if(mn[id * 2 + 1] <= val) return solve(id * 2 + 1, m + 1, r, val);
	else return solve(id * 2, l, m, val);
}

void update(ll id, ll l, ll r, ll pos, ll val){
	if(l == r){
		mn[id] = val;
		return;
	}
	ll m = l + r >> 1;
	if(m >= pos) update(id * 2, l, m, pos, val);
	else update(id * 2 + 1, m + 1, r, pos, val);
	mn[id] = min(mn[id * 2], mn[id * 2 + 1]);
}
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	ll n;
	cin >> n;
	for(ll i = 0; i <= n; i++){
		update(1, 0, n, i, 1e18);
	}
	for(ll i = 1; i <= n; i++){
		cin >> a[i];
		sum[i] = sum[i - 1] + a[i];
		ll id = solve(1, 0, n, sum[i]);
		H[i] = H[id] + 1;
		update(1, 0, n, i, sum[i] - sum[id] + sum[i]);

	}
	cout << H[n];
}

Compilation message

segments.cpp: In function 'll solve(ll, ll, ll, ll)':
segments.cpp:12:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   12 |  ll m = l + r >> 1;
      |         ~~^~~
segments.cpp: In function 'void update(ll, ll, ll, ll, ll)':
segments.cpp:23:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |  ll m = l + r >> 1;
      |         ~~^~~

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	336 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	0 ms	332 KB	Output is correct
10	Correct	0 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	0 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct

Subtask #2
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	336 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	0 ms	332 KB	Output is correct
10	Correct	0 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	0 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	0 ms	332 KB	Output is correct
18	Correct	1 ms	316 KB	Output is correct
19	Correct	1 ms	328 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	316 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	336 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	0 ms	332 KB	Output is correct
10	Correct	0 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	0 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	0 ms	332 KB	Output is correct
18	Correct	1 ms	316 KB	Output is correct
19	Correct	1 ms	328 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	316 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	468 KB	Output is correct
32	Correct	1 ms	476 KB	Output is correct
33	Correct	1 ms	460 KB	Output is correct
34	Correct	2 ms	460 KB	Output is correct
35	Correct	1 ms	460 KB	Output is correct
36	Correct	2 ms	464 KB	Output is correct
37	Correct	1 ms	452 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	460 KB	Output is correct
40	Correct	2 ms	460 KB	Output is correct
41	Correct	1 ms	460 KB	Output is correct
42	Correct	1 ms	460 KB	Output is correct
43	Correct	2 ms	460 KB	Output is correct
44	Correct	1 ms	464 KB	Output is correct
45	Correct	2 ms	464 KB	Output is correct

Subtask #4
36.0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	336 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	0 ms	332 KB	Output is correct
10	Correct	0 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	0 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	0 ms	332 KB	Output is correct
18	Correct	1 ms	316 KB	Output is correct
19	Correct	1 ms	328 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	316 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	468 KB	Output is correct
32	Correct	1 ms	476 KB	Output is correct
33	Correct	1 ms	460 KB	Output is correct
34	Correct	2 ms	460 KB	Output is correct
35	Correct	1 ms	460 KB	Output is correct
36	Correct	2 ms	464 KB	Output is correct
37	Correct	1 ms	452 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	460 KB	Output is correct
40	Correct	2 ms	460 KB	Output is correct
41	Correct	1 ms	460 KB	Output is correct
42	Correct	1 ms	460 KB	Output is correct
43	Correct	2 ms	460 KB	Output is correct
44	Correct	1 ms	464 KB	Output is correct
45	Correct	2 ms	464 KB	Output is correct
46	Correct	30 ms	5092 KB	Output is correct
47	Correct	32 ms	5168 KB	Output is correct
48	Correct	37 ms	5512 KB	Output is correct
49	Correct	37 ms	5568 KB	Output is correct
50	Correct	38 ms	5664 KB	Output is correct
51	Correct	38 ms	5664 KB	Output is correct
52	Correct	19 ms	3012 KB	Output is correct
53	Correct	10 ms	1836 KB	Output is correct
54	Correct	38 ms	4892 KB	Output is correct
55	Correct	37 ms	5700 KB	Output is correct
56	Correct	33 ms	5184 KB	Output is correct
57	Correct	33 ms	5040 KB	Output is correct
58	Correct	31 ms	5064 KB	Output is correct
59	Correct	34 ms	5228 KB	Output is correct
60	Correct	34 ms	5320 KB	Output is correct

Subtask #5
27.0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	336 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	0 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	0 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	0 ms	332 KB	Output is correct
9	Correct	0 ms	332 KB	Output is correct
10	Correct	0 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Correct	0 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	0 ms	332 KB	Output is correct
18	Correct	1 ms	316 KB	Output is correct
19	Correct	1 ms	328 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	316 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	468 KB	Output is correct
32	Correct	1 ms	476 KB	Output is correct
33	Correct	1 ms	460 KB	Output is correct
34	Correct	2 ms	460 KB	Output is correct
35	Correct	1 ms	460 KB	Output is correct
36	Correct	2 ms	464 KB	Output is correct
37	Correct	1 ms	452 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	460 KB	Output is correct
40	Correct	2 ms	460 KB	Output is correct
41	Correct	1 ms	460 KB	Output is correct
42	Correct	1 ms	460 KB	Output is correct
43	Correct	2 ms	460 KB	Output is correct
44	Correct	1 ms	464 KB	Output is correct
45	Correct	2 ms	464 KB	Output is correct
46	Correct	30 ms	5092 KB	Output is correct
47	Correct	32 ms	5168 KB	Output is correct
48	Correct	37 ms	5512 KB	Output is correct
49	Correct	37 ms	5568 KB	Output is correct
50	Correct	38 ms	5664 KB	Output is correct
51	Correct	38 ms	5664 KB	Output is correct
52	Correct	19 ms	3012 KB	Output is correct
53	Correct	10 ms	1836 KB	Output is correct
54	Correct	38 ms	4892 KB	Output is correct
55	Correct	37 ms	5700 KB	Output is correct
56	Correct	33 ms	5184 KB	Output is correct
57	Correct	33 ms	5040 KB	Output is correct
58	Correct	31 ms	5064 KB	Output is correct
59	Correct	34 ms	5228 KB	Output is correct
60	Correct	34 ms	5320 KB	Output is correct
61	Correct	152 ms	22148 KB	Output is correct
62	Correct	161 ms	22212 KB	Output is correct
63	Correct	160 ms	22592 KB	Output is correct
64	Correct	175 ms	24772 KB	Output is correct
65	Correct	182 ms	25224 KB	Output is correct
66	Correct	180 ms	25028 KB	Output is correct
67	Correct	144 ms	21720 KB	Output is correct
68	Correct	72 ms	11092 KB	Output is correct
69	Correct	156 ms	21204 KB	Output is correct
70	Correct	192 ms	25156 KB	Output is correct
71	Correct	164 ms	22300 KB	Output is correct
72	Correct	160 ms	22524 KB	Output is correct
73	Correct	167 ms	23260 KB	Output is correct
74	Correct	169 ms	23496 KB	Output is correct
75	Correct	170 ms	23552 KB	Output is correct

Submission #526530

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