답안 #231390

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
231390	2020-05-13T13:31:30 Z	maskoff	Bigger segments (IZhO19_segments)	C++14	73 / 100	697 ms	250360 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 = 7e6;

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() {                 
#ifdef Mask                                                         
  freopen(".in", 	"r", stdin);
  freopen(".out", "w", stdout);  
#endif
	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	59 ms	110072 KB	Output is correct
2	Correct	59 ms	109944 KB	Output is correct
3	Correct	61 ms	109948 KB	Output is correct
4	Correct	61 ms	109940 KB	Output is correct
5	Correct	59 ms	109872 KB	Output is correct
6	Correct	60 ms	109944 KB	Output is correct
7	Correct	59 ms	109944 KB	Output is correct
8	Correct	59 ms	109912 KB	Output is correct
9	Correct	59 ms	109944 KB	Output is correct
10	Correct	67 ms	109944 KB	Output is correct
11	Correct	59 ms	109944 KB	Output is correct
12	Correct	59 ms	109944 KB	Output is correct
13	Correct	60 ms	109944 KB	Output is correct
14	Correct	59 ms	109944 KB	Output is correct
15	Correct	61 ms	109944 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	110072 KB	Output is correct
2	Correct	59 ms	109944 KB	Output is correct
3	Correct	61 ms	109948 KB	Output is correct
4	Correct	61 ms	109940 KB	Output is correct
5	Correct	59 ms	109872 KB	Output is correct
6	Correct	60 ms	109944 KB	Output is correct
7	Correct	59 ms	109944 KB	Output is correct
8	Correct	59 ms	109912 KB	Output is correct
9	Correct	59 ms	109944 KB	Output is correct
10	Correct	67 ms	109944 KB	Output is correct
11	Correct	59 ms	109944 KB	Output is correct
12	Correct	59 ms	109944 KB	Output is correct
13	Correct	60 ms	109944 KB	Output is correct
14	Correct	59 ms	109944 KB	Output is correct
15	Correct	61 ms	109944 KB	Output is correct
16	Correct	60 ms	109944 KB	Output is correct
17	Correct	60 ms	109944 KB	Output is correct
18	Correct	61 ms	109944 KB	Output is correct
19	Correct	60 ms	109944 KB	Output is correct
20	Correct	60 ms	109944 KB	Output is correct
21	Correct	60 ms	109944 KB	Output is correct
22	Correct	60 ms	109944 KB	Output is correct
23	Correct	60 ms	110072 KB	Output is correct
24	Correct	59 ms	109944 KB	Output is correct
25	Correct	60 ms	109948 KB	Output is correct
26	Correct	60 ms	109944 KB	Output is correct
27	Correct	59 ms	109944 KB	Output is correct
28	Correct	60 ms	109944 KB	Output is correct
29	Correct	60 ms	109944 KB	Output is correct
30	Correct	59 ms	109944 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	110072 KB	Output is correct
2	Correct	59 ms	109944 KB	Output is correct
3	Correct	61 ms	109948 KB	Output is correct
4	Correct	61 ms	109940 KB	Output is correct
5	Correct	59 ms	109872 KB	Output is correct
6	Correct	60 ms	109944 KB	Output is correct
7	Correct	59 ms	109944 KB	Output is correct
8	Correct	59 ms	109912 KB	Output is correct
9	Correct	59 ms	109944 KB	Output is correct
10	Correct	67 ms	109944 KB	Output is correct
11	Correct	59 ms	109944 KB	Output is correct
12	Correct	59 ms	109944 KB	Output is correct
13	Correct	60 ms	109944 KB	Output is correct
14	Correct	59 ms	109944 KB	Output is correct
15	Correct	61 ms	109944 KB	Output is correct
16	Correct	60 ms	109944 KB	Output is correct
17	Correct	60 ms	109944 KB	Output is correct
18	Correct	61 ms	109944 KB	Output is correct
19	Correct	60 ms	109944 KB	Output is correct
20	Correct	60 ms	109944 KB	Output is correct
21	Correct	60 ms	109944 KB	Output is correct
22	Correct	60 ms	109944 KB	Output is correct
23	Correct	60 ms	110072 KB	Output is correct
24	Correct	59 ms	109944 KB	Output is correct
25	Correct	60 ms	109948 KB	Output is correct
26	Correct	60 ms	109944 KB	Output is correct
27	Correct	59 ms	109944 KB	Output is correct
28	Correct	60 ms	109944 KB	Output is correct
29	Correct	60 ms	109944 KB	Output is correct
30	Correct	59 ms	109944 KB	Output is correct
31	Correct	67 ms	109944 KB	Output is correct
32	Correct	64 ms	110076 KB	Output is correct
33	Correct	63 ms	109944 KB	Output is correct
34	Correct	66 ms	109944 KB	Output is correct
35	Correct	76 ms	110076 KB	Output is correct
36	Correct	63 ms	109944 KB	Output is correct
37	Correct	63 ms	109944 KB	Output is correct
38	Correct	62 ms	109948 KB	Output is correct
39	Correct	63 ms	109948 KB	Output is correct
40	Correct	68 ms	110072 KB	Output is correct
41	Correct	62 ms	110072 KB	Output is correct
42	Correct	62 ms	109944 KB	Output is correct
43	Correct	63 ms	109944 KB	Output is correct
44	Correct	63 ms	110076 KB	Output is correct
45	Correct	64 ms	110072 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	110072 KB	Output is correct
2	Correct	59 ms	109944 KB	Output is correct
3	Correct	61 ms	109948 KB	Output is correct
4	Correct	61 ms	109940 KB	Output is correct
5	Correct	59 ms	109872 KB	Output is correct
6	Correct	60 ms	109944 KB	Output is correct
7	Correct	59 ms	109944 KB	Output is correct
8	Correct	59 ms	109912 KB	Output is correct
9	Correct	59 ms	109944 KB	Output is correct
10	Correct	67 ms	109944 KB	Output is correct
11	Correct	59 ms	109944 KB	Output is correct
12	Correct	59 ms	109944 KB	Output is correct
13	Correct	60 ms	109944 KB	Output is correct
14	Correct	59 ms	109944 KB	Output is correct
15	Correct	61 ms	109944 KB	Output is correct
16	Correct	60 ms	109944 KB	Output is correct
17	Correct	60 ms	109944 KB	Output is correct
18	Correct	61 ms	109944 KB	Output is correct
19	Correct	60 ms	109944 KB	Output is correct
20	Correct	60 ms	109944 KB	Output is correct
21	Correct	60 ms	109944 KB	Output is correct
22	Correct	60 ms	109944 KB	Output is correct
23	Correct	60 ms	110072 KB	Output is correct
24	Correct	59 ms	109944 KB	Output is correct
25	Correct	60 ms	109948 KB	Output is correct
26	Correct	60 ms	109944 KB	Output is correct
27	Correct	59 ms	109944 KB	Output is correct
28	Correct	60 ms	109944 KB	Output is correct
29	Correct	60 ms	109944 KB	Output is correct
30	Correct	59 ms	109944 KB	Output is correct
31	Correct	67 ms	109944 KB	Output is correct
32	Correct	64 ms	110076 KB	Output is correct
33	Correct	63 ms	109944 KB	Output is correct
34	Correct	66 ms	109944 KB	Output is correct
35	Correct	76 ms	110076 KB	Output is correct
36	Correct	63 ms	109944 KB	Output is correct
37	Correct	63 ms	109944 KB	Output is correct
38	Correct	62 ms	109948 KB	Output is correct
39	Correct	63 ms	109948 KB	Output is correct
40	Correct	68 ms	110072 KB	Output is correct
41	Correct	62 ms	110072 KB	Output is correct
42	Correct	62 ms	109944 KB	Output is correct
43	Correct	63 ms	109944 KB	Output is correct
44	Correct	63 ms	110076 KB	Output is correct
45	Correct	64 ms	110072 KB	Output is correct
46	Correct	163 ms	112764 KB	Output is correct
47	Correct	192 ms	112632 KB	Output is correct
48	Correct	199 ms	112640 KB	Output is correct
49	Correct	211 ms	112760 KB	Output is correct
50	Correct	239 ms	112632 KB	Output is correct
51	Correct	189 ms	112632 KB	Output is correct
52	Correct	130 ms	111352 KB	Output is correct
53	Correct	99 ms	110712 KB	Output is correct
54	Correct	193 ms	112632 KB	Output is correct
55	Correct	220 ms	112632 KB	Output is correct
56	Correct	210 ms	112840 KB	Output is correct
57	Correct	192 ms	112632 KB	Output is correct
58	Correct	207 ms	112636 KB	Output is correct
59	Correct	226 ms	112760 KB	Output is correct
60	Correct	207 ms	112632 KB	Output is correct

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	59 ms	110072 KB	Output is correct
2	Correct	59 ms	109944 KB	Output is correct
3	Correct	61 ms	109948 KB	Output is correct
4	Correct	61 ms	109940 KB	Output is correct
5	Correct	59 ms	109872 KB	Output is correct
6	Correct	60 ms	109944 KB	Output is correct
7	Correct	59 ms	109944 KB	Output is correct
8	Correct	59 ms	109912 KB	Output is correct
9	Correct	59 ms	109944 KB	Output is correct
10	Correct	67 ms	109944 KB	Output is correct
11	Correct	59 ms	109944 KB	Output is correct
12	Correct	59 ms	109944 KB	Output is correct
13	Correct	60 ms	109944 KB	Output is correct
14	Correct	59 ms	109944 KB	Output is correct
15	Correct	61 ms	109944 KB	Output is correct
16	Correct	60 ms	109944 KB	Output is correct
17	Correct	60 ms	109944 KB	Output is correct
18	Correct	61 ms	109944 KB	Output is correct
19	Correct	60 ms	109944 KB	Output is correct
20	Correct	60 ms	109944 KB	Output is correct
21	Correct	60 ms	109944 KB	Output is correct
22	Correct	60 ms	109944 KB	Output is correct
23	Correct	60 ms	110072 KB	Output is correct
24	Correct	59 ms	109944 KB	Output is correct
25	Correct	60 ms	109948 KB	Output is correct
26	Correct	60 ms	109944 KB	Output is correct
27	Correct	59 ms	109944 KB	Output is correct
28	Correct	60 ms	109944 KB	Output is correct
29	Correct	60 ms	109944 KB	Output is correct
30	Correct	59 ms	109944 KB	Output is correct
31	Correct	67 ms	109944 KB	Output is correct
32	Correct	64 ms	110076 KB	Output is correct
33	Correct	63 ms	109944 KB	Output is correct
34	Correct	66 ms	109944 KB	Output is correct
35	Correct	76 ms	110076 KB	Output is correct
36	Correct	63 ms	109944 KB	Output is correct
37	Correct	63 ms	109944 KB	Output is correct
38	Correct	62 ms	109948 KB	Output is correct
39	Correct	63 ms	109948 KB	Output is correct
40	Correct	68 ms	110072 KB	Output is correct
41	Correct	62 ms	110072 KB	Output is correct
42	Correct	62 ms	109944 KB	Output is correct
43	Correct	63 ms	109944 KB	Output is correct
44	Correct	63 ms	110076 KB	Output is correct
45	Correct	64 ms	110072 KB	Output is correct
46	Correct	163 ms	112764 KB	Output is correct
47	Correct	192 ms	112632 KB	Output is correct
48	Correct	199 ms	112640 KB	Output is correct
49	Correct	211 ms	112760 KB	Output is correct
50	Correct	239 ms	112632 KB	Output is correct
51	Correct	189 ms	112632 KB	Output is correct
52	Correct	130 ms	111352 KB	Output is correct
53	Correct	99 ms	110712 KB	Output is correct
54	Correct	193 ms	112632 KB	Output is correct
55	Correct	220 ms	112632 KB	Output is correct
56	Correct	210 ms	112840 KB	Output is correct
57	Correct	192 ms	112632 KB	Output is correct
58	Correct	207 ms	112636 KB	Output is correct
59	Correct	226 ms	112760 KB	Output is correct
60	Correct	207 ms	112632 KB	Output is correct
61	Correct	589 ms	123768 KB	Output is correct
62	Correct	600 ms	123772 KB	Output is correct
63	Correct	697 ms	123640 KB	Output is correct
64	Runtime error	596 ms	250360 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
65	Halted	0 ms	0 KB	-

답안 #231390

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