답안 #231391

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
231391	2020-05-13T13:32:08 Z	maskoff	Bigger segments (IZhO19_segments)	C++14	73 / 100	699 ms	262144 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 = 8e6;

vector<int> L, R;
vector<pii> t;
int cnt = 1;

void update (int 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]]);
}

pii get (int 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);
  L.resize(N);
  R = L;
  t.resize(N);
  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++) {
  	pii 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

#	결과	실행 시간	메모리	Grader output
1	Correct	68 ms	125560 KB	Output is correct
2	Correct	69 ms	125564 KB	Output is correct
3	Correct	68 ms	125560 KB	Output is correct
4	Correct	69 ms	125560 KB	Output is correct
5	Correct	68 ms	125564 KB	Output is correct
6	Correct	69 ms	125560 KB	Output is correct
7	Correct	70 ms	125560 KB	Output is correct
8	Correct	69 ms	125560 KB	Output is correct
9	Correct	68 ms	125560 KB	Output is correct
10	Correct	69 ms	125580 KB	Output is correct
11	Correct	68 ms	125560 KB	Output is correct
12	Correct	69 ms	125560 KB	Output is correct
13	Correct	70 ms	125640 KB	Output is correct
14	Correct	70 ms	125560 KB	Output is correct
15	Correct	68 ms	125560 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	68 ms	125560 KB	Output is correct
2	Correct	69 ms	125564 KB	Output is correct
3	Correct	68 ms	125560 KB	Output is correct
4	Correct	69 ms	125560 KB	Output is correct
5	Correct	68 ms	125564 KB	Output is correct
6	Correct	69 ms	125560 KB	Output is correct
7	Correct	70 ms	125560 KB	Output is correct
8	Correct	69 ms	125560 KB	Output is correct
9	Correct	68 ms	125560 KB	Output is correct
10	Correct	69 ms	125580 KB	Output is correct
11	Correct	68 ms	125560 KB	Output is correct
12	Correct	69 ms	125560 KB	Output is correct
13	Correct	70 ms	125640 KB	Output is correct
14	Correct	70 ms	125560 KB	Output is correct
15	Correct	68 ms	125560 KB	Output is correct
16	Correct	68 ms	125560 KB	Output is correct
17	Correct	70 ms	125560 KB	Output is correct
18	Correct	72 ms	125560 KB	Output is correct
19	Correct	68 ms	125560 KB	Output is correct
20	Correct	68 ms	125560 KB	Output is correct
21	Correct	69 ms	125560 KB	Output is correct
22	Correct	70 ms	125688 KB	Output is correct
23	Correct	69 ms	125560 KB	Output is correct
24	Correct	73 ms	125688 KB	Output is correct
25	Correct	70 ms	125560 KB	Output is correct
26	Correct	70 ms	125560 KB	Output is correct
27	Correct	72 ms	125560 KB	Output is correct
28	Correct	70 ms	125560 KB	Output is correct
29	Correct	69 ms	125560 KB	Output is correct
30	Correct	72 ms	125560 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	68 ms	125560 KB	Output is correct
2	Correct	69 ms	125564 KB	Output is correct
3	Correct	68 ms	125560 KB	Output is correct
4	Correct	69 ms	125560 KB	Output is correct
5	Correct	68 ms	125564 KB	Output is correct
6	Correct	69 ms	125560 KB	Output is correct
7	Correct	70 ms	125560 KB	Output is correct
8	Correct	69 ms	125560 KB	Output is correct
9	Correct	68 ms	125560 KB	Output is correct
10	Correct	69 ms	125580 KB	Output is correct
11	Correct	68 ms	125560 KB	Output is correct
12	Correct	69 ms	125560 KB	Output is correct
13	Correct	70 ms	125640 KB	Output is correct
14	Correct	70 ms	125560 KB	Output is correct
15	Correct	68 ms	125560 KB	Output is correct
16	Correct	68 ms	125560 KB	Output is correct
17	Correct	70 ms	125560 KB	Output is correct
18	Correct	72 ms	125560 KB	Output is correct
19	Correct	68 ms	125560 KB	Output is correct
20	Correct	68 ms	125560 KB	Output is correct
21	Correct	69 ms	125560 KB	Output is correct
22	Correct	70 ms	125688 KB	Output is correct
23	Correct	69 ms	125560 KB	Output is correct
24	Correct	73 ms	125688 KB	Output is correct
25	Correct	70 ms	125560 KB	Output is correct
26	Correct	70 ms	125560 KB	Output is correct
27	Correct	72 ms	125560 KB	Output is correct
28	Correct	70 ms	125560 KB	Output is correct
29	Correct	69 ms	125560 KB	Output is correct
30	Correct	72 ms	125560 KB	Output is correct
31	Correct	74 ms	125688 KB	Output is correct
32	Correct	73 ms	125688 KB	Output is correct
33	Correct	75 ms	125688 KB	Output is correct
34	Correct	73 ms	125688 KB	Output is correct
35	Correct	78 ms	125688 KB	Output is correct
36	Correct	72 ms	125688 KB	Output is correct
37	Correct	73 ms	125688 KB	Output is correct
38	Correct	71 ms	125688 KB	Output is correct
39	Correct	72 ms	125688 KB	Output is correct
40	Correct	79 ms	125688 KB	Output is correct
41	Correct	74 ms	125688 KB	Output is correct
42	Correct	72 ms	125688 KB	Output is correct
43	Correct	73 ms	125688 KB	Output is correct
44	Correct	72 ms	125688 KB	Output is correct
45	Correct	73 ms	125688 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	68 ms	125560 KB	Output is correct
2	Correct	69 ms	125564 KB	Output is correct
3	Correct	68 ms	125560 KB	Output is correct
4	Correct	69 ms	125560 KB	Output is correct
5	Correct	68 ms	125564 KB	Output is correct
6	Correct	69 ms	125560 KB	Output is correct
7	Correct	70 ms	125560 KB	Output is correct
8	Correct	69 ms	125560 KB	Output is correct
9	Correct	68 ms	125560 KB	Output is correct
10	Correct	69 ms	125580 KB	Output is correct
11	Correct	68 ms	125560 KB	Output is correct
12	Correct	69 ms	125560 KB	Output is correct
13	Correct	70 ms	125640 KB	Output is correct
14	Correct	70 ms	125560 KB	Output is correct
15	Correct	68 ms	125560 KB	Output is correct
16	Correct	68 ms	125560 KB	Output is correct
17	Correct	70 ms	125560 KB	Output is correct
18	Correct	72 ms	125560 KB	Output is correct
19	Correct	68 ms	125560 KB	Output is correct
20	Correct	68 ms	125560 KB	Output is correct
21	Correct	69 ms	125560 KB	Output is correct
22	Correct	70 ms	125688 KB	Output is correct
23	Correct	69 ms	125560 KB	Output is correct
24	Correct	73 ms	125688 KB	Output is correct
25	Correct	70 ms	125560 KB	Output is correct
26	Correct	70 ms	125560 KB	Output is correct
27	Correct	72 ms	125560 KB	Output is correct
28	Correct	70 ms	125560 KB	Output is correct
29	Correct	69 ms	125560 KB	Output is correct
30	Correct	72 ms	125560 KB	Output is correct
31	Correct	74 ms	125688 KB	Output is correct
32	Correct	73 ms	125688 KB	Output is correct
33	Correct	75 ms	125688 KB	Output is correct
34	Correct	73 ms	125688 KB	Output is correct
35	Correct	78 ms	125688 KB	Output is correct
36	Correct	72 ms	125688 KB	Output is correct
37	Correct	73 ms	125688 KB	Output is correct
38	Correct	71 ms	125688 KB	Output is correct
39	Correct	72 ms	125688 KB	Output is correct
40	Correct	79 ms	125688 KB	Output is correct
41	Correct	74 ms	125688 KB	Output is correct
42	Correct	72 ms	125688 KB	Output is correct
43	Correct	73 ms	125688 KB	Output is correct
44	Correct	72 ms	125688 KB	Output is correct
45	Correct	73 ms	125688 KB	Output is correct
46	Correct	175 ms	128376 KB	Output is correct
47	Correct	200 ms	128376 KB	Output is correct
48	Correct	206 ms	128376 KB	Output is correct
49	Correct	227 ms	128376 KB	Output is correct
50	Correct	252 ms	128376 KB	Output is correct
51	Correct	206 ms	128376 KB	Output is correct
52	Correct	141 ms	126968 KB	Output is correct
53	Correct	110 ms	126456 KB	Output is correct
54	Correct	197 ms	128376 KB	Output is correct
55	Correct	227 ms	128504 KB	Output is correct
56	Correct	221 ms	128376 KB	Output is correct
57	Correct	208 ms	128376 KB	Output is correct
58	Correct	218 ms	128504 KB	Output is correct
59	Correct	227 ms	128376 KB	Output is correct
60	Correct	221 ms	128376 KB	Output is correct

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	68 ms	125560 KB	Output is correct
2	Correct	69 ms	125564 KB	Output is correct
3	Correct	68 ms	125560 KB	Output is correct
4	Correct	69 ms	125560 KB	Output is correct
5	Correct	68 ms	125564 KB	Output is correct
6	Correct	69 ms	125560 KB	Output is correct
7	Correct	70 ms	125560 KB	Output is correct
8	Correct	69 ms	125560 KB	Output is correct
9	Correct	68 ms	125560 KB	Output is correct
10	Correct	69 ms	125580 KB	Output is correct
11	Correct	68 ms	125560 KB	Output is correct
12	Correct	69 ms	125560 KB	Output is correct
13	Correct	70 ms	125640 KB	Output is correct
14	Correct	70 ms	125560 KB	Output is correct
15	Correct	68 ms	125560 KB	Output is correct
16	Correct	68 ms	125560 KB	Output is correct
17	Correct	70 ms	125560 KB	Output is correct
18	Correct	72 ms	125560 KB	Output is correct
19	Correct	68 ms	125560 KB	Output is correct
20	Correct	68 ms	125560 KB	Output is correct
21	Correct	69 ms	125560 KB	Output is correct
22	Correct	70 ms	125688 KB	Output is correct
23	Correct	69 ms	125560 KB	Output is correct
24	Correct	73 ms	125688 KB	Output is correct
25	Correct	70 ms	125560 KB	Output is correct
26	Correct	70 ms	125560 KB	Output is correct
27	Correct	72 ms	125560 KB	Output is correct
28	Correct	70 ms	125560 KB	Output is correct
29	Correct	69 ms	125560 KB	Output is correct
30	Correct	72 ms	125560 KB	Output is correct
31	Correct	74 ms	125688 KB	Output is correct
32	Correct	73 ms	125688 KB	Output is correct
33	Correct	75 ms	125688 KB	Output is correct
34	Correct	73 ms	125688 KB	Output is correct
35	Correct	78 ms	125688 KB	Output is correct
36	Correct	72 ms	125688 KB	Output is correct
37	Correct	73 ms	125688 KB	Output is correct
38	Correct	71 ms	125688 KB	Output is correct
39	Correct	72 ms	125688 KB	Output is correct
40	Correct	79 ms	125688 KB	Output is correct
41	Correct	74 ms	125688 KB	Output is correct
42	Correct	72 ms	125688 KB	Output is correct
43	Correct	73 ms	125688 KB	Output is correct
44	Correct	72 ms	125688 KB	Output is correct
45	Correct	73 ms	125688 KB	Output is correct
46	Correct	175 ms	128376 KB	Output is correct
47	Correct	200 ms	128376 KB	Output is correct
48	Correct	206 ms	128376 KB	Output is correct
49	Correct	227 ms	128376 KB	Output is correct
50	Correct	252 ms	128376 KB	Output is correct
51	Correct	206 ms	128376 KB	Output is correct
52	Correct	141 ms	126968 KB	Output is correct
53	Correct	110 ms	126456 KB	Output is correct
54	Correct	197 ms	128376 KB	Output is correct
55	Correct	227 ms	128504 KB	Output is correct
56	Correct	221 ms	128376 KB	Output is correct
57	Correct	208 ms	128376 KB	Output is correct
58	Correct	218 ms	128504 KB	Output is correct
59	Correct	227 ms	128376 KB	Output is correct
60	Correct	221 ms	128376 KB	Output is correct
61	Correct	591 ms	139356 KB	Output is correct
62	Correct	640 ms	139384 KB	Output is correct
63	Correct	697 ms	139384 KB	Output is correct
64	Runtime error	699 ms	262144 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
65	Halted	0 ms	0 KB	-

답안 #231391

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