답안 #231378

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
231378	2020-05-13T13:15:37 Z	maskoff	Bigger segments (IZhO19_segments)	C++14	73 / 100	786 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 = 2e6 + 5;

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

pll 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);
  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

#	결과	실행 시간	메모리	Grader output
1	Correct	61 ms	125564 KB	Output is correct
2	Correct	62 ms	125560 KB	Output is correct
3	Correct	62 ms	125564 KB	Output is correct
4	Correct	63 ms	125688 KB	Output is correct
5	Correct	62 ms	125688 KB	Output is correct
6	Correct	65 ms	125560 KB	Output is correct
7	Correct	62 ms	125816 KB	Output is correct
8	Correct	62 ms	125688 KB	Output is correct
9	Correct	72 ms	125560 KB	Output is correct
10	Correct	65 ms	125560 KB	Output is correct
11	Correct	63 ms	125560 KB	Output is correct
12	Correct	64 ms	125560 KB	Output is correct
13	Correct	62 ms	125560 KB	Output is correct
14	Correct	62 ms	125688 KB	Output is correct
15	Correct	63 ms	125560 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	61 ms	125564 KB	Output is correct
2	Correct	62 ms	125560 KB	Output is correct
3	Correct	62 ms	125564 KB	Output is correct
4	Correct	63 ms	125688 KB	Output is correct
5	Correct	62 ms	125688 KB	Output is correct
6	Correct	65 ms	125560 KB	Output is correct
7	Correct	62 ms	125816 KB	Output is correct
8	Correct	62 ms	125688 KB	Output is correct
9	Correct	72 ms	125560 KB	Output is correct
10	Correct	65 ms	125560 KB	Output is correct
11	Correct	63 ms	125560 KB	Output is correct
12	Correct	64 ms	125560 KB	Output is correct
13	Correct	62 ms	125560 KB	Output is correct
14	Correct	62 ms	125688 KB	Output is correct
15	Correct	63 ms	125560 KB	Output is correct
16	Correct	64 ms	125688 KB	Output is correct
17	Correct	65 ms	125688 KB	Output is correct
18	Correct	63 ms	125688 KB	Output is correct
19	Correct	64 ms	125688 KB	Output is correct
20	Correct	66 ms	125688 KB	Output is correct
21	Correct	65 ms	125816 KB	Output is correct
22	Correct	63 ms	125688 KB	Output is correct
23	Correct	65 ms	125688 KB	Output is correct
24	Correct	65 ms	125560 KB	Output is correct
25	Correct	65 ms	125688 KB	Output is correct
26	Correct	65 ms	125688 KB	Output is correct
27	Correct	64 ms	125560 KB	Output is correct
28	Correct	63 ms	125564 KB	Output is correct
29	Correct	63 ms	125688 KB	Output is correct
30	Correct	63 ms	125688 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	61 ms	125564 KB	Output is correct
2	Correct	62 ms	125560 KB	Output is correct
3	Correct	62 ms	125564 KB	Output is correct
4	Correct	63 ms	125688 KB	Output is correct
5	Correct	62 ms	125688 KB	Output is correct
6	Correct	65 ms	125560 KB	Output is correct
7	Correct	62 ms	125816 KB	Output is correct
8	Correct	62 ms	125688 KB	Output is correct
9	Correct	72 ms	125560 KB	Output is correct
10	Correct	65 ms	125560 KB	Output is correct
11	Correct	63 ms	125560 KB	Output is correct
12	Correct	64 ms	125560 KB	Output is correct
13	Correct	62 ms	125560 KB	Output is correct
14	Correct	62 ms	125688 KB	Output is correct
15	Correct	63 ms	125560 KB	Output is correct
16	Correct	64 ms	125688 KB	Output is correct
17	Correct	65 ms	125688 KB	Output is correct
18	Correct	63 ms	125688 KB	Output is correct
19	Correct	64 ms	125688 KB	Output is correct
20	Correct	66 ms	125688 KB	Output is correct
21	Correct	65 ms	125816 KB	Output is correct
22	Correct	63 ms	125688 KB	Output is correct
23	Correct	65 ms	125688 KB	Output is correct
24	Correct	65 ms	125560 KB	Output is correct
25	Correct	65 ms	125688 KB	Output is correct
26	Correct	65 ms	125688 KB	Output is correct
27	Correct	64 ms	125560 KB	Output is correct
28	Correct	63 ms	125564 KB	Output is correct
29	Correct	63 ms	125688 KB	Output is correct
30	Correct	63 ms	125688 KB	Output is correct
31	Correct	65 ms	126072 KB	Output is correct
32	Correct	68 ms	126200 KB	Output is correct
33	Correct	67 ms	126328 KB	Output is correct
34	Correct	67 ms	126200 KB	Output is correct
35	Correct	68 ms	126332 KB	Output is correct
36	Correct	68 ms	126456 KB	Output is correct
37	Correct	65 ms	126200 KB	Output is correct
38	Correct	66 ms	126072 KB	Output is correct
39	Correct	70 ms	125816 KB	Output is correct
40	Correct	69 ms	126328 KB	Output is correct
41	Correct	66 ms	125816 KB	Output is correct
42	Correct	68 ms	125944 KB	Output is correct
43	Correct	68 ms	125816 KB	Output is correct
44	Correct	66 ms	125944 KB	Output is correct
45	Correct	67 ms	126072 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	61 ms	125564 KB	Output is correct
2	Correct	62 ms	125560 KB	Output is correct
3	Correct	62 ms	125564 KB	Output is correct
4	Correct	63 ms	125688 KB	Output is correct
5	Correct	62 ms	125688 KB	Output is correct
6	Correct	65 ms	125560 KB	Output is correct
7	Correct	62 ms	125816 KB	Output is correct
8	Correct	62 ms	125688 KB	Output is correct
9	Correct	72 ms	125560 KB	Output is correct
10	Correct	65 ms	125560 KB	Output is correct
11	Correct	63 ms	125560 KB	Output is correct
12	Correct	64 ms	125560 KB	Output is correct
13	Correct	62 ms	125560 KB	Output is correct
14	Correct	62 ms	125688 KB	Output is correct
15	Correct	63 ms	125560 KB	Output is correct
16	Correct	64 ms	125688 KB	Output is correct
17	Correct	65 ms	125688 KB	Output is correct
18	Correct	63 ms	125688 KB	Output is correct
19	Correct	64 ms	125688 KB	Output is correct
20	Correct	66 ms	125688 KB	Output is correct
21	Correct	65 ms	125816 KB	Output is correct
22	Correct	63 ms	125688 KB	Output is correct
23	Correct	65 ms	125688 KB	Output is correct
24	Correct	65 ms	125560 KB	Output is correct
25	Correct	65 ms	125688 KB	Output is correct
26	Correct	65 ms	125688 KB	Output is correct
27	Correct	64 ms	125560 KB	Output is correct
28	Correct	63 ms	125564 KB	Output is correct
29	Correct	63 ms	125688 KB	Output is correct
30	Correct	63 ms	125688 KB	Output is correct
31	Correct	65 ms	126072 KB	Output is correct
32	Correct	68 ms	126200 KB	Output is correct
33	Correct	67 ms	126328 KB	Output is correct
34	Correct	67 ms	126200 KB	Output is correct
35	Correct	68 ms	126332 KB	Output is correct
36	Correct	68 ms	126456 KB	Output is correct
37	Correct	65 ms	126200 KB	Output is correct
38	Correct	66 ms	126072 KB	Output is correct
39	Correct	70 ms	125816 KB	Output is correct
40	Correct	69 ms	126328 KB	Output is correct
41	Correct	66 ms	125816 KB	Output is correct
42	Correct	68 ms	125944 KB	Output is correct
43	Correct	68 ms	125816 KB	Output is correct
44	Correct	66 ms	125944 KB	Output is correct
45	Correct	67 ms	126072 KB	Output is correct
46	Correct	166 ms	136956 KB	Output is correct
47	Correct	197 ms	138104 KB	Output is correct
48	Correct	220 ms	148472 KB	Output is correct
49	Correct	223 ms	150008 KB	Output is correct
50	Correct	259 ms	152440 KB	Output is correct
51	Correct	211 ms	152056 KB	Output is correct
52	Correct	140 ms	138744 KB	Output is correct
53	Correct	115 ms	133528 KB	Output is correct
54	Correct	175 ms	131192 KB	Output is correct
55	Correct	233 ms	151160 KB	Output is correct
56	Correct	210 ms	138744 KB	Output is correct
57	Correct	197 ms	136824 KB	Output is correct
58	Correct	200 ms	137592 KB	Output is correct
59	Correct	230 ms	141816 KB	Output is correct
60	Correct	225 ms	141688 KB	Output is correct

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	61 ms	125564 KB	Output is correct
2	Correct	62 ms	125560 KB	Output is correct
3	Correct	62 ms	125564 KB	Output is correct
4	Correct	63 ms	125688 KB	Output is correct
5	Correct	62 ms	125688 KB	Output is correct
6	Correct	65 ms	125560 KB	Output is correct
7	Correct	62 ms	125816 KB	Output is correct
8	Correct	62 ms	125688 KB	Output is correct
9	Correct	72 ms	125560 KB	Output is correct
10	Correct	65 ms	125560 KB	Output is correct
11	Correct	63 ms	125560 KB	Output is correct
12	Correct	64 ms	125560 KB	Output is correct
13	Correct	62 ms	125560 KB	Output is correct
14	Correct	62 ms	125688 KB	Output is correct
15	Correct	63 ms	125560 KB	Output is correct
16	Correct	64 ms	125688 KB	Output is correct
17	Correct	65 ms	125688 KB	Output is correct
18	Correct	63 ms	125688 KB	Output is correct
19	Correct	64 ms	125688 KB	Output is correct
20	Correct	66 ms	125688 KB	Output is correct
21	Correct	65 ms	125816 KB	Output is correct
22	Correct	63 ms	125688 KB	Output is correct
23	Correct	65 ms	125688 KB	Output is correct
24	Correct	65 ms	125560 KB	Output is correct
25	Correct	65 ms	125688 KB	Output is correct
26	Correct	65 ms	125688 KB	Output is correct
27	Correct	64 ms	125560 KB	Output is correct
28	Correct	63 ms	125564 KB	Output is correct
29	Correct	63 ms	125688 KB	Output is correct
30	Correct	63 ms	125688 KB	Output is correct
31	Correct	65 ms	126072 KB	Output is correct
32	Correct	68 ms	126200 KB	Output is correct
33	Correct	67 ms	126328 KB	Output is correct
34	Correct	67 ms	126200 KB	Output is correct
35	Correct	68 ms	126332 KB	Output is correct
36	Correct	68 ms	126456 KB	Output is correct
37	Correct	65 ms	126200 KB	Output is correct
38	Correct	66 ms	126072 KB	Output is correct
39	Correct	70 ms	125816 KB	Output is correct
40	Correct	69 ms	126328 KB	Output is correct
41	Correct	66 ms	125816 KB	Output is correct
42	Correct	68 ms	125944 KB	Output is correct
43	Correct	68 ms	125816 KB	Output is correct
44	Correct	66 ms	125944 KB	Output is correct
45	Correct	67 ms	126072 KB	Output is correct
46	Correct	166 ms	136956 KB	Output is correct
47	Correct	197 ms	138104 KB	Output is correct
48	Correct	220 ms	148472 KB	Output is correct
49	Correct	223 ms	150008 KB	Output is correct
50	Correct	259 ms	152440 KB	Output is correct
51	Correct	211 ms	152056 KB	Output is correct
52	Correct	140 ms	138744 KB	Output is correct
53	Correct	115 ms	133528 KB	Output is correct
54	Correct	175 ms	131192 KB	Output is correct
55	Correct	233 ms	151160 KB	Output is correct
56	Correct	210 ms	138744 KB	Output is correct
57	Correct	197 ms	136824 KB	Output is correct
58	Correct	200 ms	137592 KB	Output is correct
59	Correct	230 ms	141816 KB	Output is correct
60	Correct	225 ms	141688 KB	Output is correct
61	Correct	578 ms	179064 KB	Output is correct
62	Correct	628 ms	177404 KB	Output is correct
63	Correct	739 ms	188540 KB	Output is correct
64	Runtime error	786 ms	262144 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
65	Halted	0 ms	0 KB	-

답안 #231378

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