Submission #231376

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
231376	2020-05-13T13:09:48 Z	maskoff	Bigger segments (IZhO19_segments)	C++14	73 / 100	511 ms	199468 KB

segments

#include <bits/stdc++.h>
#include <ext/rope>
#include <random>
#include <chrono>
#include <ext/pb_ds/assoc_container.hpp>
 
#define file ""
 
#define all(x) x.begin(), x.end()
 
#define sc second
#define fr first
 
#define pb push_back
#define mp make_pair

#define pss pair<line*, line*>
 
using namespace std;
using namespace __gnu_cxx;
 
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
                                    
const ll inf = 1e18;
const int MOD = 1e9 + 7;
                                          
const int dx[] = {+1, -1, 0, 0};
const int dy[] = {0, 0, +1, -1};

int const N = 9e5 + 5;

vector<pll> t(4 * N + 20); 
int L[4 * N + 20], R[4 * N + 20];
int cnt = 1;

void update (ll u, ll l, ll r, ll pos, pll val) {
	if(l > r) return;
 	if (l == r) {
 	 	t[u] = val;
 	 	return;
 	}
 	ll m = (l + r) / 2;
 	if (pos <= m) {
 	 	if (!L[u]) L[u] = ++cnt;
 	 	update (L[u], l, m, pos, val);
 	}
 	else {
 	 	if (!R[u]) R[u] = ++cnt;
 	 	update (R[u], m + 1, r, pos, val);
 	}
 	t[u] = max(t[L[u]], t[R[u]]);
}

pll get (ll u, ll ul, ll ur, ll l, ll r) {
 	if (!u || l > r || ul > ur || l > ur || ul > r)
 		return {0, 0};
 	if (l <= ul && ur <= r)
 		return t[u];
 	ll um = (ul + ur) / 2;
 	return max(get(L[u], ul, um, l, r), get(R[u], um + 1, ur, l, r));
}

int main() {    
	ios_base :: sync_with_stdio(false);
  cin.tie(nullptr);
  int n;
  cin >> n;
  vector<int> a(n + 1);
  for (int i = 1; i <= n; i++)
  	cin >> a[i];
  vector<ll> dp(n + 1), sum(n + 1), pref(n + 1);
  for (int i = 1; i <= n; i++)
  	pref[i] = pref[i - 1] + a[i];

  for (int i = 1; i <= n; i++) {
  	pll k = get(1, 1, inf, 1, pref[i]);
  	dp[i] = k.fr + 1;
  	sum[i] = pref[i] - pref[k.sc];
  	update (1, 1, inf, sum[i] + pref[i], {dp[i], i});
  }
  cout << dp[n];
	return 0;
}

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	32 ms	56704 KB	Output is correct
2	Correct	31 ms	56696 KB	Output is correct
3	Correct	31 ms	56704 KB	Output is correct
4	Correct	31 ms	56704 KB	Output is correct
5	Correct	37 ms	56832 KB	Output is correct
6	Correct	31 ms	56696 KB	Output is correct
7	Correct	31 ms	56696 KB	Output is correct
8	Correct	31 ms	56704 KB	Output is correct
9	Correct	31 ms	56704 KB	Output is correct
10	Correct	31 ms	56696 KB	Output is correct
11	Correct	31 ms	56704 KB	Output is correct
12	Correct	33 ms	56832 KB	Output is correct
13	Correct	31 ms	56704 KB	Output is correct
14	Correct	31 ms	56696 KB	Output is correct
15	Correct	33 ms	56704 KB	Output is correct

Subtask #2
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	32 ms	56704 KB	Output is correct
2	Correct	31 ms	56696 KB	Output is correct
3	Correct	31 ms	56704 KB	Output is correct
4	Correct	31 ms	56704 KB	Output is correct
5	Correct	37 ms	56832 KB	Output is correct
6	Correct	31 ms	56696 KB	Output is correct
7	Correct	31 ms	56696 KB	Output is correct
8	Correct	31 ms	56704 KB	Output is correct
9	Correct	31 ms	56704 KB	Output is correct
10	Correct	31 ms	56696 KB	Output is correct
11	Correct	31 ms	56704 KB	Output is correct
12	Correct	33 ms	56832 KB	Output is correct
13	Correct	31 ms	56704 KB	Output is correct
14	Correct	31 ms	56696 KB	Output is correct
15	Correct	33 ms	56704 KB	Output is correct
16	Correct	31 ms	56824 KB	Output is correct
17	Correct	31 ms	56832 KB	Output is correct
18	Correct	32 ms	56832 KB	Output is correct
19	Correct	32 ms	56824 KB	Output is correct
20	Correct	34 ms	56824 KB	Output is correct
21	Correct	31 ms	56824 KB	Output is correct
22	Correct	34 ms	56832 KB	Output is correct
23	Correct	31 ms	56824 KB	Output is correct
24	Correct	32 ms	56704 KB	Output is correct
25	Correct	32 ms	56832 KB	Output is correct
26	Correct	32 ms	56704 KB	Output is correct
27	Correct	32 ms	56704 KB	Output is correct
28	Correct	34 ms	56704 KB	Output is correct
29	Correct	32 ms	56704 KB	Output is correct
30	Correct	33 ms	56696 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	32 ms	56704 KB	Output is correct
2	Correct	31 ms	56696 KB	Output is correct
3	Correct	31 ms	56704 KB	Output is correct
4	Correct	31 ms	56704 KB	Output is correct
5	Correct	37 ms	56832 KB	Output is correct
6	Correct	31 ms	56696 KB	Output is correct
7	Correct	31 ms	56696 KB	Output is correct
8	Correct	31 ms	56704 KB	Output is correct
9	Correct	31 ms	56704 KB	Output is correct
10	Correct	31 ms	56696 KB	Output is correct
11	Correct	31 ms	56704 KB	Output is correct
12	Correct	33 ms	56832 KB	Output is correct
13	Correct	31 ms	56704 KB	Output is correct
14	Correct	31 ms	56696 KB	Output is correct
15	Correct	33 ms	56704 KB	Output is correct
16	Correct	31 ms	56824 KB	Output is correct
17	Correct	31 ms	56832 KB	Output is correct
18	Correct	32 ms	56832 KB	Output is correct
19	Correct	32 ms	56824 KB	Output is correct
20	Correct	34 ms	56824 KB	Output is correct
21	Correct	31 ms	56824 KB	Output is correct
22	Correct	34 ms	56832 KB	Output is correct
23	Correct	31 ms	56824 KB	Output is correct
24	Correct	32 ms	56704 KB	Output is correct
25	Correct	32 ms	56832 KB	Output is correct
26	Correct	32 ms	56704 KB	Output is correct
27	Correct	32 ms	56704 KB	Output is correct
28	Correct	34 ms	56704 KB	Output is correct
29	Correct	32 ms	56704 KB	Output is correct
30	Correct	33 ms	56696 KB	Output is correct
31	Correct	34 ms	57216 KB	Output is correct
32	Correct	36 ms	57336 KB	Output is correct
33	Correct	36 ms	57336 KB	Output is correct
34	Correct	41 ms	57336 KB	Output is correct
35	Correct	38 ms	57592 KB	Output is correct
36	Correct	35 ms	57464 KB	Output is correct
37	Correct	35 ms	57344 KB	Output is correct
38	Correct	36 ms	57216 KB	Output is correct
39	Correct	34 ms	56832 KB	Output is correct
40	Correct	36 ms	57464 KB	Output is correct
41	Correct	36 ms	56952 KB	Output is correct
42	Correct	36 ms	56952 KB	Output is correct
43	Correct	36 ms	56824 KB	Output is correct
44	Correct	34 ms	57080 KB	Output is correct
45	Correct	34 ms	57088 KB	Output is correct

Subtask #4
36.0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	32 ms	56704 KB	Output is correct
2	Correct	31 ms	56696 KB	Output is correct
3	Correct	31 ms	56704 KB	Output is correct
4	Correct	31 ms	56704 KB	Output is correct
5	Correct	37 ms	56832 KB	Output is correct
6	Correct	31 ms	56696 KB	Output is correct
7	Correct	31 ms	56696 KB	Output is correct
8	Correct	31 ms	56704 KB	Output is correct
9	Correct	31 ms	56704 KB	Output is correct
10	Correct	31 ms	56696 KB	Output is correct
11	Correct	31 ms	56704 KB	Output is correct
12	Correct	33 ms	56832 KB	Output is correct
13	Correct	31 ms	56704 KB	Output is correct
14	Correct	31 ms	56696 KB	Output is correct
15	Correct	33 ms	56704 KB	Output is correct
16	Correct	31 ms	56824 KB	Output is correct
17	Correct	31 ms	56832 KB	Output is correct
18	Correct	32 ms	56832 KB	Output is correct
19	Correct	32 ms	56824 KB	Output is correct
20	Correct	34 ms	56824 KB	Output is correct
21	Correct	31 ms	56824 KB	Output is correct
22	Correct	34 ms	56832 KB	Output is correct
23	Correct	31 ms	56824 KB	Output is correct
24	Correct	32 ms	56704 KB	Output is correct
25	Correct	32 ms	56832 KB	Output is correct
26	Correct	32 ms	56704 KB	Output is correct
27	Correct	32 ms	56704 KB	Output is correct
28	Correct	34 ms	56704 KB	Output is correct
29	Correct	32 ms	56704 KB	Output is correct
30	Correct	33 ms	56696 KB	Output is correct
31	Correct	34 ms	57216 KB	Output is correct
32	Correct	36 ms	57336 KB	Output is correct
33	Correct	36 ms	57336 KB	Output is correct
34	Correct	41 ms	57336 KB	Output is correct
35	Correct	38 ms	57592 KB	Output is correct
36	Correct	35 ms	57464 KB	Output is correct
37	Correct	35 ms	57344 KB	Output is correct
38	Correct	36 ms	57216 KB	Output is correct
39	Correct	34 ms	56832 KB	Output is correct
40	Correct	36 ms	57464 KB	Output is correct
41	Correct	36 ms	56952 KB	Output is correct
42	Correct	36 ms	56952 KB	Output is correct
43	Correct	36 ms	56824 KB	Output is correct
44	Correct	34 ms	57080 KB	Output is correct
45	Correct	34 ms	57088 KB	Output is correct
46	Correct	135 ms	68088 KB	Output is correct
47	Correct	178 ms	69240 KB	Output is correct
48	Correct	193 ms	79736 KB	Output is correct
49	Correct	198 ms	81144 KB	Output is correct
50	Correct	235 ms	83704 KB	Output is correct
51	Correct	180 ms	83064 KB	Output is correct
52	Correct	110 ms	69880 KB	Output is correct
53	Correct	79 ms	64632 KB	Output is correct
54	Correct	136 ms	62328 KB	Output is correct
55	Correct	212 ms	82296 KB	Output is correct
56	Correct	180 ms	69860 KB	Output is correct
57	Correct	174 ms	67832 KB	Output is correct
58	Correct	181 ms	68728 KB	Output is correct
59	Correct	201 ms	72936 KB	Output is correct
60	Correct	198 ms	72908 KB	Output is correct

Subtask #5
0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	32 ms	56704 KB	Output is correct
2	Correct	31 ms	56696 KB	Output is correct
3	Correct	31 ms	56704 KB	Output is correct
4	Correct	31 ms	56704 KB	Output is correct
5	Correct	37 ms	56832 KB	Output is correct
6	Correct	31 ms	56696 KB	Output is correct
7	Correct	31 ms	56696 KB	Output is correct
8	Correct	31 ms	56704 KB	Output is correct
9	Correct	31 ms	56704 KB	Output is correct
10	Correct	31 ms	56696 KB	Output is correct
11	Correct	31 ms	56704 KB	Output is correct
12	Correct	33 ms	56832 KB	Output is correct
13	Correct	31 ms	56704 KB	Output is correct
14	Correct	31 ms	56696 KB	Output is correct
15	Correct	33 ms	56704 KB	Output is correct
16	Correct	31 ms	56824 KB	Output is correct
17	Correct	31 ms	56832 KB	Output is correct
18	Correct	32 ms	56832 KB	Output is correct
19	Correct	32 ms	56824 KB	Output is correct
20	Correct	34 ms	56824 KB	Output is correct
21	Correct	31 ms	56824 KB	Output is correct
22	Correct	34 ms	56832 KB	Output is correct
23	Correct	31 ms	56824 KB	Output is correct
24	Correct	32 ms	56704 KB	Output is correct
25	Correct	32 ms	56832 KB	Output is correct
26	Correct	32 ms	56704 KB	Output is correct
27	Correct	32 ms	56704 KB	Output is correct
28	Correct	34 ms	56704 KB	Output is correct
29	Correct	32 ms	56704 KB	Output is correct
30	Correct	33 ms	56696 KB	Output is correct
31	Correct	34 ms	57216 KB	Output is correct
32	Correct	36 ms	57336 KB	Output is correct
33	Correct	36 ms	57336 KB	Output is correct
34	Correct	41 ms	57336 KB	Output is correct
35	Correct	38 ms	57592 KB	Output is correct
36	Correct	35 ms	57464 KB	Output is correct
37	Correct	35 ms	57344 KB	Output is correct
38	Correct	36 ms	57216 KB	Output is correct
39	Correct	34 ms	56832 KB	Output is correct
40	Correct	36 ms	57464 KB	Output is correct
41	Correct	36 ms	56952 KB	Output is correct
42	Correct	36 ms	56952 KB	Output is correct
43	Correct	36 ms	56824 KB	Output is correct
44	Correct	34 ms	57080 KB	Output is correct
45	Correct	34 ms	57088 KB	Output is correct
46	Correct	135 ms	68088 KB	Output is correct
47	Correct	178 ms	69240 KB	Output is correct
48	Correct	193 ms	79736 KB	Output is correct
49	Correct	198 ms	81144 KB	Output is correct
50	Correct	235 ms	83704 KB	Output is correct
51	Correct	180 ms	83064 KB	Output is correct
52	Correct	110 ms	69880 KB	Output is correct
53	Correct	79 ms	64632 KB	Output is correct
54	Correct	136 ms	62328 KB	Output is correct
55	Correct	212 ms	82296 KB	Output is correct
56	Correct	180 ms	69860 KB	Output is correct
57	Correct	174 ms	67832 KB	Output is correct
58	Correct	181 ms	68728 KB	Output is correct
59	Correct	201 ms	72936 KB	Output is correct
60	Correct	198 ms	72908 KB	Output is correct
61	Runtime error	511 ms	199468 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
62	Halted	0 ms	0 KB	-

Submission #231376

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 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
0 / 27.0