답안 #231364

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
231364	2020-05-13T12:38:04 Z	maskoff	Bigger segments (IZhO19_segments)	C++14	73 / 100	814 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); 
int L[4 * N], R[4 * N];
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<ll> a(n + 1), pref(n + 1);
  for (int i = 1; i <= n; i++)
  	cin >> a[i];
  for (int i = 1; i <= n; i++)
  	pref[i] = pref[i - 1] + a[i];
  vector<ll> dp(n + 1), sum(n + 1);

  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	66 ms	125564 KB	Output is correct
2	Correct	65 ms	125532 KB	Output is correct
3	Correct	64 ms	125564 KB	Output is correct
4	Correct	65 ms	125560 KB	Output is correct
5	Correct	66 ms	125688 KB	Output is correct
6	Correct	65 ms	125688 KB	Output is correct
7	Correct	64 ms	125560 KB	Output is correct
8	Correct	65 ms	125552 KB	Output is correct
9	Correct	64 ms	125564 KB	Output is correct
10	Correct	67 ms	125688 KB	Output is correct
11	Correct	64 ms	125560 KB	Output is correct
12	Correct	65 ms	125560 KB	Output is correct
13	Correct	64 ms	125560 KB	Output is correct
14	Correct	65 ms	125560 KB	Output is correct
15	Correct	66 ms	125540 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	66 ms	125564 KB	Output is correct
2	Correct	65 ms	125532 KB	Output is correct
3	Correct	64 ms	125564 KB	Output is correct
4	Correct	65 ms	125560 KB	Output is correct
5	Correct	66 ms	125688 KB	Output is correct
6	Correct	65 ms	125688 KB	Output is correct
7	Correct	64 ms	125560 KB	Output is correct
8	Correct	65 ms	125552 KB	Output is correct
9	Correct	64 ms	125564 KB	Output is correct
10	Correct	67 ms	125688 KB	Output is correct
11	Correct	64 ms	125560 KB	Output is correct
12	Correct	65 ms	125560 KB	Output is correct
13	Correct	64 ms	125560 KB	Output is correct
14	Correct	65 ms	125560 KB	Output is correct
15	Correct	66 ms	125540 KB	Output is correct
16	Correct	65 ms	125688 KB	Output is correct
17	Correct	64 ms	125688 KB	Output is correct
18	Correct	64 ms	125688 KB	Output is correct
19	Correct	68 ms	125668 KB	Output is correct
20	Correct	65 ms	125688 KB	Output is correct
21	Correct	67 ms	125688 KB	Output is correct
22	Correct	65 ms	125688 KB	Output is correct
23	Correct	67 ms	125688 KB	Output is correct
24	Correct	64 ms	125564 KB	Output is correct
25	Correct	64 ms	125688 KB	Output is correct
26	Correct	65 ms	125564 KB	Output is correct
27	Correct	66 ms	125688 KB	Output is correct
28	Correct	66 ms	125560 KB	Output is correct
29	Correct	65 ms	125688 KB	Output is correct
30	Correct	67 ms	125688 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	66 ms	125564 KB	Output is correct
2	Correct	65 ms	125532 KB	Output is correct
3	Correct	64 ms	125564 KB	Output is correct
4	Correct	65 ms	125560 KB	Output is correct
5	Correct	66 ms	125688 KB	Output is correct
6	Correct	65 ms	125688 KB	Output is correct
7	Correct	64 ms	125560 KB	Output is correct
8	Correct	65 ms	125552 KB	Output is correct
9	Correct	64 ms	125564 KB	Output is correct
10	Correct	67 ms	125688 KB	Output is correct
11	Correct	64 ms	125560 KB	Output is correct
12	Correct	65 ms	125560 KB	Output is correct
13	Correct	64 ms	125560 KB	Output is correct
14	Correct	65 ms	125560 KB	Output is correct
15	Correct	66 ms	125540 KB	Output is correct
16	Correct	65 ms	125688 KB	Output is correct
17	Correct	64 ms	125688 KB	Output is correct
18	Correct	64 ms	125688 KB	Output is correct
19	Correct	68 ms	125668 KB	Output is correct
20	Correct	65 ms	125688 KB	Output is correct
21	Correct	67 ms	125688 KB	Output is correct
22	Correct	65 ms	125688 KB	Output is correct
23	Correct	67 ms	125688 KB	Output is correct
24	Correct	64 ms	125564 KB	Output is correct
25	Correct	64 ms	125688 KB	Output is correct
26	Correct	65 ms	125564 KB	Output is correct
27	Correct	66 ms	125688 KB	Output is correct
28	Correct	66 ms	125560 KB	Output is correct
29	Correct	65 ms	125688 KB	Output is correct
30	Correct	67 ms	125688 KB	Output is correct
31	Correct	67 ms	126072 KB	Output is correct
32	Correct	67 ms	126200 KB	Output is correct
33	Correct	68 ms	126328 KB	Output is correct
34	Correct	69 ms	126332 KB	Output is correct
35	Correct	70 ms	126456 KB	Output is correct
36	Correct	70 ms	126332 KB	Output is correct
37	Correct	68 ms	126328 KB	Output is correct
38	Correct	68 ms	126076 KB	Output is correct
39	Correct	68 ms	125816 KB	Output is correct
40	Correct	70 ms	126328 KB	Output is correct
41	Correct	69 ms	125816 KB	Output is correct
42	Correct	71 ms	125944 KB	Output is correct
43	Correct	69 ms	125816 KB	Output is correct
44	Correct	69 ms	125944 KB	Output is correct
45	Correct	68 ms	125944 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	66 ms	125564 KB	Output is correct
2	Correct	65 ms	125532 KB	Output is correct
3	Correct	64 ms	125564 KB	Output is correct
4	Correct	65 ms	125560 KB	Output is correct
5	Correct	66 ms	125688 KB	Output is correct
6	Correct	65 ms	125688 KB	Output is correct
7	Correct	64 ms	125560 KB	Output is correct
8	Correct	65 ms	125552 KB	Output is correct
9	Correct	64 ms	125564 KB	Output is correct
10	Correct	67 ms	125688 KB	Output is correct
11	Correct	64 ms	125560 KB	Output is correct
12	Correct	65 ms	125560 KB	Output is correct
13	Correct	64 ms	125560 KB	Output is correct
14	Correct	65 ms	125560 KB	Output is correct
15	Correct	66 ms	125540 KB	Output is correct
16	Correct	65 ms	125688 KB	Output is correct
17	Correct	64 ms	125688 KB	Output is correct
18	Correct	64 ms	125688 KB	Output is correct
19	Correct	68 ms	125668 KB	Output is correct
20	Correct	65 ms	125688 KB	Output is correct
21	Correct	67 ms	125688 KB	Output is correct
22	Correct	65 ms	125688 KB	Output is correct
23	Correct	67 ms	125688 KB	Output is correct
24	Correct	64 ms	125564 KB	Output is correct
25	Correct	64 ms	125688 KB	Output is correct
26	Correct	65 ms	125564 KB	Output is correct
27	Correct	66 ms	125688 KB	Output is correct
28	Correct	66 ms	125560 KB	Output is correct
29	Correct	65 ms	125688 KB	Output is correct
30	Correct	67 ms	125688 KB	Output is correct
31	Correct	67 ms	126072 KB	Output is correct
32	Correct	67 ms	126200 KB	Output is correct
33	Correct	68 ms	126328 KB	Output is correct
34	Correct	69 ms	126332 KB	Output is correct
35	Correct	70 ms	126456 KB	Output is correct
36	Correct	70 ms	126332 KB	Output is correct
37	Correct	68 ms	126328 KB	Output is correct
38	Correct	68 ms	126076 KB	Output is correct
39	Correct	68 ms	125816 KB	Output is correct
40	Correct	70 ms	126328 KB	Output is correct
41	Correct	69 ms	125816 KB	Output is correct
42	Correct	71 ms	125944 KB	Output is correct
43	Correct	69 ms	125816 KB	Output is correct
44	Correct	69 ms	125944 KB	Output is correct
45	Correct	68 ms	125944 KB	Output is correct
46	Correct	168 ms	137336 KB	Output is correct
47	Correct	196 ms	138616 KB	Output is correct
48	Correct	214 ms	148856 KB	Output is correct
49	Correct	229 ms	150392 KB	Output is correct
50	Correct	263 ms	152824 KB	Output is correct
51	Correct	217 ms	152440 KB	Output is correct
52	Correct	143 ms	139128 KB	Output is correct
53	Correct	107 ms	133624 KB	Output is correct
54	Correct	183 ms	131704 KB	Output is correct
55	Correct	237 ms	151544 KB	Output is correct
56	Correct	215 ms	139128 KB	Output is correct
57	Correct	205 ms	137336 KB	Output is correct
58	Correct	213 ms	137976 KB	Output is correct
59	Correct	229 ms	142200 KB	Output is correct
60	Correct	225 ms	142072 KB	Output is correct

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	66 ms	125564 KB	Output is correct
2	Correct	65 ms	125532 KB	Output is correct
3	Correct	64 ms	125564 KB	Output is correct
4	Correct	65 ms	125560 KB	Output is correct
5	Correct	66 ms	125688 KB	Output is correct
6	Correct	65 ms	125688 KB	Output is correct
7	Correct	64 ms	125560 KB	Output is correct
8	Correct	65 ms	125552 KB	Output is correct
9	Correct	64 ms	125564 KB	Output is correct
10	Correct	67 ms	125688 KB	Output is correct
11	Correct	64 ms	125560 KB	Output is correct
12	Correct	65 ms	125560 KB	Output is correct
13	Correct	64 ms	125560 KB	Output is correct
14	Correct	65 ms	125560 KB	Output is correct
15	Correct	66 ms	125540 KB	Output is correct
16	Correct	65 ms	125688 KB	Output is correct
17	Correct	64 ms	125688 KB	Output is correct
18	Correct	64 ms	125688 KB	Output is correct
19	Correct	68 ms	125668 KB	Output is correct
20	Correct	65 ms	125688 KB	Output is correct
21	Correct	67 ms	125688 KB	Output is correct
22	Correct	65 ms	125688 KB	Output is correct
23	Correct	67 ms	125688 KB	Output is correct
24	Correct	64 ms	125564 KB	Output is correct
25	Correct	64 ms	125688 KB	Output is correct
26	Correct	65 ms	125564 KB	Output is correct
27	Correct	66 ms	125688 KB	Output is correct
28	Correct	66 ms	125560 KB	Output is correct
29	Correct	65 ms	125688 KB	Output is correct
30	Correct	67 ms	125688 KB	Output is correct
31	Correct	67 ms	126072 KB	Output is correct
32	Correct	67 ms	126200 KB	Output is correct
33	Correct	68 ms	126328 KB	Output is correct
34	Correct	69 ms	126332 KB	Output is correct
35	Correct	70 ms	126456 KB	Output is correct
36	Correct	70 ms	126332 KB	Output is correct
37	Correct	68 ms	126328 KB	Output is correct
38	Correct	68 ms	126076 KB	Output is correct
39	Correct	68 ms	125816 KB	Output is correct
40	Correct	70 ms	126328 KB	Output is correct
41	Correct	69 ms	125816 KB	Output is correct
42	Correct	71 ms	125944 KB	Output is correct
43	Correct	69 ms	125816 KB	Output is correct
44	Correct	69 ms	125944 KB	Output is correct
45	Correct	68 ms	125944 KB	Output is correct
46	Correct	168 ms	137336 KB	Output is correct
47	Correct	196 ms	138616 KB	Output is correct
48	Correct	214 ms	148856 KB	Output is correct
49	Correct	229 ms	150392 KB	Output is correct
50	Correct	263 ms	152824 KB	Output is correct
51	Correct	217 ms	152440 KB	Output is correct
52	Correct	143 ms	139128 KB	Output is correct
53	Correct	107 ms	133624 KB	Output is correct
54	Correct	183 ms	131704 KB	Output is correct
55	Correct	237 ms	151544 KB	Output is correct
56	Correct	215 ms	139128 KB	Output is correct
57	Correct	205 ms	137336 KB	Output is correct
58	Correct	213 ms	137976 KB	Output is correct
59	Correct	229 ms	142200 KB	Output is correct
60	Correct	225 ms	142072 KB	Output is correct
61	Correct	600 ms	181068 KB	Output is correct
62	Correct	638 ms	179576 KB	Output is correct
63	Correct	753 ms	190584 KB	Output is correct
64	Runtime error	814 ms	262144 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
65	Halted	0 ms	0 KB	-

답안 #231364

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