답안 #231365

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
231365	2020-05-13T12:39:26 Z	maskoff	Bigger segments (IZhO19_segments)	C++14	73 / 100	858 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 = 3e6 + 5;

vector<pll> t(2 * N); 
int L[2 * N], R[2 * 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	51 ms	94328 KB	Output is correct
2	Correct	51 ms	94328 KB	Output is correct
3	Correct	51 ms	94332 KB	Output is correct
4	Correct	52 ms	94272 KB	Output is correct
5	Correct	51 ms	94328 KB	Output is correct
6	Correct	50 ms	94328 KB	Output is correct
7	Correct	51 ms	94328 KB	Output is correct
8	Correct	50 ms	94328 KB	Output is correct
9	Correct	51 ms	94328 KB	Output is correct
10	Correct	51 ms	94328 KB	Output is correct
11	Correct	50 ms	94328 KB	Output is correct
12	Correct	49 ms	94328 KB	Output is correct
13	Correct	51 ms	94328 KB	Output is correct
14	Correct	51 ms	94328 KB	Output is correct
15	Correct	51 ms	94328 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	51 ms	94328 KB	Output is correct
2	Correct	51 ms	94328 KB	Output is correct
3	Correct	51 ms	94332 KB	Output is correct
4	Correct	52 ms	94272 KB	Output is correct
5	Correct	51 ms	94328 KB	Output is correct
6	Correct	50 ms	94328 KB	Output is correct
7	Correct	51 ms	94328 KB	Output is correct
8	Correct	50 ms	94328 KB	Output is correct
9	Correct	51 ms	94328 KB	Output is correct
10	Correct	51 ms	94328 KB	Output is correct
11	Correct	50 ms	94328 KB	Output is correct
12	Correct	49 ms	94328 KB	Output is correct
13	Correct	51 ms	94328 KB	Output is correct
14	Correct	51 ms	94328 KB	Output is correct
15	Correct	51 ms	94328 KB	Output is correct
16	Correct	51 ms	94460 KB	Output is correct
17	Correct	54 ms	94328 KB	Output is correct
18	Correct	51 ms	94456 KB	Output is correct
19	Correct	52 ms	94456 KB	Output is correct
20	Correct	52 ms	94456 KB	Output is correct
21	Correct	51 ms	94464 KB	Output is correct
22	Correct	52 ms	94456 KB	Output is correct
23	Correct	50 ms	94328 KB	Output is correct
24	Correct	52 ms	94332 KB	Output is correct
25	Correct	52 ms	94456 KB	Output is correct
26	Correct	51 ms	94328 KB	Output is correct
27	Correct	54 ms	94328 KB	Output is correct
28	Correct	51 ms	94328 KB	Output is correct
29	Correct	51 ms	94332 KB	Output is correct
30	Correct	53 ms	94328 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	51 ms	94328 KB	Output is correct
2	Correct	51 ms	94328 KB	Output is correct
3	Correct	51 ms	94332 KB	Output is correct
4	Correct	52 ms	94272 KB	Output is correct
5	Correct	51 ms	94328 KB	Output is correct
6	Correct	50 ms	94328 KB	Output is correct
7	Correct	51 ms	94328 KB	Output is correct
8	Correct	50 ms	94328 KB	Output is correct
9	Correct	51 ms	94328 KB	Output is correct
10	Correct	51 ms	94328 KB	Output is correct
11	Correct	50 ms	94328 KB	Output is correct
12	Correct	49 ms	94328 KB	Output is correct
13	Correct	51 ms	94328 KB	Output is correct
14	Correct	51 ms	94328 KB	Output is correct
15	Correct	51 ms	94328 KB	Output is correct
16	Correct	51 ms	94460 KB	Output is correct
17	Correct	54 ms	94328 KB	Output is correct
18	Correct	51 ms	94456 KB	Output is correct
19	Correct	52 ms	94456 KB	Output is correct
20	Correct	52 ms	94456 KB	Output is correct
21	Correct	51 ms	94464 KB	Output is correct
22	Correct	52 ms	94456 KB	Output is correct
23	Correct	50 ms	94328 KB	Output is correct
24	Correct	52 ms	94332 KB	Output is correct
25	Correct	52 ms	94456 KB	Output is correct
26	Correct	51 ms	94328 KB	Output is correct
27	Correct	54 ms	94328 KB	Output is correct
28	Correct	51 ms	94328 KB	Output is correct
29	Correct	51 ms	94332 KB	Output is correct
30	Correct	53 ms	94328 KB	Output is correct
31	Correct	53 ms	94840 KB	Output is correct
32	Correct	55 ms	94924 KB	Output is correct
33	Correct	55 ms	94968 KB	Output is correct
34	Correct	57 ms	94968 KB	Output is correct
35	Correct	56 ms	95096 KB	Output is correct
36	Correct	56 ms	95096 KB	Output is correct
37	Correct	54 ms	94968 KB	Output is correct
38	Correct	52 ms	94840 KB	Output is correct
39	Correct	54 ms	94456 KB	Output is correct
40	Correct	55 ms	95088 KB	Output is correct
41	Correct	53 ms	94456 KB	Output is correct
42	Correct	53 ms	94584 KB	Output is correct
43	Correct	54 ms	94456 KB	Output is correct
44	Correct	55 ms	94712 KB	Output is correct
45	Correct	55 ms	94712 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	51 ms	94328 KB	Output is correct
2	Correct	51 ms	94328 KB	Output is correct
3	Correct	51 ms	94332 KB	Output is correct
4	Correct	52 ms	94272 KB	Output is correct
5	Correct	51 ms	94328 KB	Output is correct
6	Correct	50 ms	94328 KB	Output is correct
7	Correct	51 ms	94328 KB	Output is correct
8	Correct	50 ms	94328 KB	Output is correct
9	Correct	51 ms	94328 KB	Output is correct
10	Correct	51 ms	94328 KB	Output is correct
11	Correct	50 ms	94328 KB	Output is correct
12	Correct	49 ms	94328 KB	Output is correct
13	Correct	51 ms	94328 KB	Output is correct
14	Correct	51 ms	94328 KB	Output is correct
15	Correct	51 ms	94328 KB	Output is correct
16	Correct	51 ms	94460 KB	Output is correct
17	Correct	54 ms	94328 KB	Output is correct
18	Correct	51 ms	94456 KB	Output is correct
19	Correct	52 ms	94456 KB	Output is correct
20	Correct	52 ms	94456 KB	Output is correct
21	Correct	51 ms	94464 KB	Output is correct
22	Correct	52 ms	94456 KB	Output is correct
23	Correct	50 ms	94328 KB	Output is correct
24	Correct	52 ms	94332 KB	Output is correct
25	Correct	52 ms	94456 KB	Output is correct
26	Correct	51 ms	94328 KB	Output is correct
27	Correct	54 ms	94328 KB	Output is correct
28	Correct	51 ms	94328 KB	Output is correct
29	Correct	51 ms	94332 KB	Output is correct
30	Correct	53 ms	94328 KB	Output is correct
31	Correct	53 ms	94840 KB	Output is correct
32	Correct	55 ms	94924 KB	Output is correct
33	Correct	55 ms	94968 KB	Output is correct
34	Correct	57 ms	94968 KB	Output is correct
35	Correct	56 ms	95096 KB	Output is correct
36	Correct	56 ms	95096 KB	Output is correct
37	Correct	54 ms	94968 KB	Output is correct
38	Correct	52 ms	94840 KB	Output is correct
39	Correct	54 ms	94456 KB	Output is correct
40	Correct	55 ms	95088 KB	Output is correct
41	Correct	53 ms	94456 KB	Output is correct
42	Correct	53 ms	94584 KB	Output is correct
43	Correct	54 ms	94456 KB	Output is correct
44	Correct	55 ms	94712 KB	Output is correct
45	Correct	55 ms	94712 KB	Output is correct
46	Correct	155 ms	106080 KB	Output is correct
47	Correct	187 ms	107208 KB	Output is correct
48	Correct	209 ms	117624 KB	Output is correct
49	Correct	229 ms	119160 KB	Output is correct
50	Correct	241 ms	121524 KB	Output is correct
51	Correct	205 ms	121080 KB	Output is correct
52	Correct	136 ms	107768 KB	Output is correct
53	Correct	94 ms	102264 KB	Output is correct
54	Correct	182 ms	100344 KB	Output is correct
55	Correct	227 ms	120312 KB	Output is correct
56	Correct	210 ms	107640 KB	Output is correct
57	Correct	191 ms	105848 KB	Output is correct
58	Correct	199 ms	106744 KB	Output is correct
59	Correct	215 ms	110840 KB	Output is correct
60	Correct	206 ms	110840 KB	Output is correct

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	51 ms	94328 KB	Output is correct
2	Correct	51 ms	94328 KB	Output is correct
3	Correct	51 ms	94332 KB	Output is correct
4	Correct	52 ms	94272 KB	Output is correct
5	Correct	51 ms	94328 KB	Output is correct
6	Correct	50 ms	94328 KB	Output is correct
7	Correct	51 ms	94328 KB	Output is correct
8	Correct	50 ms	94328 KB	Output is correct
9	Correct	51 ms	94328 KB	Output is correct
10	Correct	51 ms	94328 KB	Output is correct
11	Correct	50 ms	94328 KB	Output is correct
12	Correct	49 ms	94328 KB	Output is correct
13	Correct	51 ms	94328 KB	Output is correct
14	Correct	51 ms	94328 KB	Output is correct
15	Correct	51 ms	94328 KB	Output is correct
16	Correct	51 ms	94460 KB	Output is correct
17	Correct	54 ms	94328 KB	Output is correct
18	Correct	51 ms	94456 KB	Output is correct
19	Correct	52 ms	94456 KB	Output is correct
20	Correct	52 ms	94456 KB	Output is correct
21	Correct	51 ms	94464 KB	Output is correct
22	Correct	52 ms	94456 KB	Output is correct
23	Correct	50 ms	94328 KB	Output is correct
24	Correct	52 ms	94332 KB	Output is correct
25	Correct	52 ms	94456 KB	Output is correct
26	Correct	51 ms	94328 KB	Output is correct
27	Correct	54 ms	94328 KB	Output is correct
28	Correct	51 ms	94328 KB	Output is correct
29	Correct	51 ms	94332 KB	Output is correct
30	Correct	53 ms	94328 KB	Output is correct
31	Correct	53 ms	94840 KB	Output is correct
32	Correct	55 ms	94924 KB	Output is correct
33	Correct	55 ms	94968 KB	Output is correct
34	Correct	57 ms	94968 KB	Output is correct
35	Correct	56 ms	95096 KB	Output is correct
36	Correct	56 ms	95096 KB	Output is correct
37	Correct	54 ms	94968 KB	Output is correct
38	Correct	52 ms	94840 KB	Output is correct
39	Correct	54 ms	94456 KB	Output is correct
40	Correct	55 ms	95088 KB	Output is correct
41	Correct	53 ms	94456 KB	Output is correct
42	Correct	53 ms	94584 KB	Output is correct
43	Correct	54 ms	94456 KB	Output is correct
44	Correct	55 ms	94712 KB	Output is correct
45	Correct	55 ms	94712 KB	Output is correct
46	Correct	155 ms	106080 KB	Output is correct
47	Correct	187 ms	107208 KB	Output is correct
48	Correct	209 ms	117624 KB	Output is correct
49	Correct	229 ms	119160 KB	Output is correct
50	Correct	241 ms	121524 KB	Output is correct
51	Correct	205 ms	121080 KB	Output is correct
52	Correct	136 ms	107768 KB	Output is correct
53	Correct	94 ms	102264 KB	Output is correct
54	Correct	182 ms	100344 KB	Output is correct
55	Correct	227 ms	120312 KB	Output is correct
56	Correct	210 ms	107640 KB	Output is correct
57	Correct	191 ms	105848 KB	Output is correct
58	Correct	199 ms	106744 KB	Output is correct
59	Correct	215 ms	110840 KB	Output is correct
60	Correct	206 ms	110840 KB	Output is correct
61	Correct	598 ms	149624 KB	Output is correct
62	Correct	623 ms	148216 KB	Output is correct
63	Runtime error	858 ms	262144 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
64	Halted	0 ms	0 KB	-

답안 #231365

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