답안 #231386

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
231386	2020-05-13T13:27:26 Z	maskoff	Bigger segments (IZhO19_segments)	C++14	73 / 100	645 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 = 1e16;
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	73 ms	125560 KB	Output is correct
2	Correct	76 ms	125560 KB	Output is correct
3	Correct	72 ms	125560 KB	Output is correct
4	Correct	68 ms	125572 KB	Output is correct
5	Correct	71 ms	125564 KB	Output is correct
6	Correct	71 ms	125560 KB	Output is correct
7	Correct	70 ms	125688 KB	Output is correct
8	Correct	74 ms	125560 KB	Output is correct
9	Correct	67 ms	125560 KB	Output is correct
10	Correct	69 ms	125560 KB	Output is correct
11	Correct	70 ms	125560 KB	Output is correct
12	Correct	70 ms	125688 KB	Output is correct
13	Correct	75 ms	125564 KB	Output is correct
14	Correct	72 ms	125560 KB	Output is correct
15	Correct	71 ms	125560 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	73 ms	125560 KB	Output is correct
2	Correct	76 ms	125560 KB	Output is correct
3	Correct	72 ms	125560 KB	Output is correct
4	Correct	68 ms	125572 KB	Output is correct
5	Correct	71 ms	125564 KB	Output is correct
6	Correct	71 ms	125560 KB	Output is correct
7	Correct	70 ms	125688 KB	Output is correct
8	Correct	74 ms	125560 KB	Output is correct
9	Correct	67 ms	125560 KB	Output is correct
10	Correct	69 ms	125560 KB	Output is correct
11	Correct	70 ms	125560 KB	Output is correct
12	Correct	70 ms	125688 KB	Output is correct
13	Correct	75 ms	125564 KB	Output is correct
14	Correct	72 ms	125560 KB	Output is correct
15	Correct	71 ms	125560 KB	Output is correct
16	Correct	70 ms	125560 KB	Output is correct
17	Correct	74 ms	125660 KB	Output is correct
18	Correct	76 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	72 ms	125672 KB	Output is correct
22	Correct	71 ms	125688 KB	Output is correct
23	Correct	69 ms	125560 KB	Output is correct
24	Correct	72 ms	125560 KB	Output is correct
25	Correct	69 ms	125688 KB	Output is correct
26	Correct	70 ms	125560 KB	Output is correct
27	Correct	69 ms	125816 KB	Output is correct
28	Correct	68 ms	125540 KB	Output is correct
29	Correct	70 ms	125560 KB	Output is correct
30	Correct	69 ms	125560 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	73 ms	125560 KB	Output is correct
2	Correct	76 ms	125560 KB	Output is correct
3	Correct	72 ms	125560 KB	Output is correct
4	Correct	68 ms	125572 KB	Output is correct
5	Correct	71 ms	125564 KB	Output is correct
6	Correct	71 ms	125560 KB	Output is correct
7	Correct	70 ms	125688 KB	Output is correct
8	Correct	74 ms	125560 KB	Output is correct
9	Correct	67 ms	125560 KB	Output is correct
10	Correct	69 ms	125560 KB	Output is correct
11	Correct	70 ms	125560 KB	Output is correct
12	Correct	70 ms	125688 KB	Output is correct
13	Correct	75 ms	125564 KB	Output is correct
14	Correct	72 ms	125560 KB	Output is correct
15	Correct	71 ms	125560 KB	Output is correct
16	Correct	70 ms	125560 KB	Output is correct
17	Correct	74 ms	125660 KB	Output is correct
18	Correct	76 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	72 ms	125672 KB	Output is correct
22	Correct	71 ms	125688 KB	Output is correct
23	Correct	69 ms	125560 KB	Output is correct
24	Correct	72 ms	125560 KB	Output is correct
25	Correct	69 ms	125688 KB	Output is correct
26	Correct	70 ms	125560 KB	Output is correct
27	Correct	69 ms	125816 KB	Output is correct
28	Correct	68 ms	125540 KB	Output is correct
29	Correct	70 ms	125560 KB	Output is correct
30	Correct	69 ms	125560 KB	Output is correct
31	Correct	74 ms	125816 KB	Output is correct
32	Correct	75 ms	125688 KB	Output is correct
33	Correct	75 ms	125692 KB	Output is correct
34	Correct	72 ms	125692 KB	Output is correct
35	Correct	81 ms	125688 KB	Output is correct
36	Correct	73 ms	125688 KB	Output is correct
37	Correct	71 ms	125688 KB	Output is correct
38	Correct	71 ms	125688 KB	Output is correct
39	Correct	73 ms	125688 KB	Output is correct
40	Correct	72 ms	125688 KB	Output is correct
41	Correct	73 ms	125688 KB	Output is correct
42	Correct	71 ms	125688 KB	Output is correct
43	Correct	71 ms	125688 KB	Output is correct
44	Correct	71 ms	125688 KB	Output is correct
45	Correct	72 ms	125688 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	73 ms	125560 KB	Output is correct
2	Correct	76 ms	125560 KB	Output is correct
3	Correct	72 ms	125560 KB	Output is correct
4	Correct	68 ms	125572 KB	Output is correct
5	Correct	71 ms	125564 KB	Output is correct
6	Correct	71 ms	125560 KB	Output is correct
7	Correct	70 ms	125688 KB	Output is correct
8	Correct	74 ms	125560 KB	Output is correct
9	Correct	67 ms	125560 KB	Output is correct
10	Correct	69 ms	125560 KB	Output is correct
11	Correct	70 ms	125560 KB	Output is correct
12	Correct	70 ms	125688 KB	Output is correct
13	Correct	75 ms	125564 KB	Output is correct
14	Correct	72 ms	125560 KB	Output is correct
15	Correct	71 ms	125560 KB	Output is correct
16	Correct	70 ms	125560 KB	Output is correct
17	Correct	74 ms	125660 KB	Output is correct
18	Correct	76 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	72 ms	125672 KB	Output is correct
22	Correct	71 ms	125688 KB	Output is correct
23	Correct	69 ms	125560 KB	Output is correct
24	Correct	72 ms	125560 KB	Output is correct
25	Correct	69 ms	125688 KB	Output is correct
26	Correct	70 ms	125560 KB	Output is correct
27	Correct	69 ms	125816 KB	Output is correct
28	Correct	68 ms	125540 KB	Output is correct
29	Correct	70 ms	125560 KB	Output is correct
30	Correct	69 ms	125560 KB	Output is correct
31	Correct	74 ms	125816 KB	Output is correct
32	Correct	75 ms	125688 KB	Output is correct
33	Correct	75 ms	125692 KB	Output is correct
34	Correct	72 ms	125692 KB	Output is correct
35	Correct	81 ms	125688 KB	Output is correct
36	Correct	73 ms	125688 KB	Output is correct
37	Correct	71 ms	125688 KB	Output is correct
38	Correct	71 ms	125688 KB	Output is correct
39	Correct	73 ms	125688 KB	Output is correct
40	Correct	72 ms	125688 KB	Output is correct
41	Correct	73 ms	125688 KB	Output is correct
42	Correct	71 ms	125688 KB	Output is correct
43	Correct	71 ms	125688 KB	Output is correct
44	Correct	71 ms	125688 KB	Output is correct
45	Correct	72 ms	125688 KB	Output is correct
46	Correct	161 ms	128504 KB	Output is correct
47	Correct	186 ms	128632 KB	Output is correct
48	Correct	200 ms	128508 KB	Output is correct
49	Correct	216 ms	128504 KB	Output is correct
50	Correct	243 ms	128508 KB	Output is correct
51	Correct	188 ms	128632 KB	Output is correct
52	Correct	135 ms	127096 KB	Output is correct
53	Correct	114 ms	126712 KB	Output is correct
54	Correct	170 ms	128504 KB	Output is correct
55	Correct	205 ms	128504 KB	Output is correct
56	Correct	210 ms	128504 KB	Output is correct
57	Correct	188 ms	128504 KB	Output is correct
58	Correct	205 ms	128504 KB	Output is correct
59	Correct	213 ms	128504 KB	Output is correct
60	Correct	205 ms	128632 KB	Output is correct

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	73 ms	125560 KB	Output is correct
2	Correct	76 ms	125560 KB	Output is correct
3	Correct	72 ms	125560 KB	Output is correct
4	Correct	68 ms	125572 KB	Output is correct
5	Correct	71 ms	125564 KB	Output is correct
6	Correct	71 ms	125560 KB	Output is correct
7	Correct	70 ms	125688 KB	Output is correct
8	Correct	74 ms	125560 KB	Output is correct
9	Correct	67 ms	125560 KB	Output is correct
10	Correct	69 ms	125560 KB	Output is correct
11	Correct	70 ms	125560 KB	Output is correct
12	Correct	70 ms	125688 KB	Output is correct
13	Correct	75 ms	125564 KB	Output is correct
14	Correct	72 ms	125560 KB	Output is correct
15	Correct	71 ms	125560 KB	Output is correct
16	Correct	70 ms	125560 KB	Output is correct
17	Correct	74 ms	125660 KB	Output is correct
18	Correct	76 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	72 ms	125672 KB	Output is correct
22	Correct	71 ms	125688 KB	Output is correct
23	Correct	69 ms	125560 KB	Output is correct
24	Correct	72 ms	125560 KB	Output is correct
25	Correct	69 ms	125688 KB	Output is correct
26	Correct	70 ms	125560 KB	Output is correct
27	Correct	69 ms	125816 KB	Output is correct
28	Correct	68 ms	125540 KB	Output is correct
29	Correct	70 ms	125560 KB	Output is correct
30	Correct	69 ms	125560 KB	Output is correct
31	Correct	74 ms	125816 KB	Output is correct
32	Correct	75 ms	125688 KB	Output is correct
33	Correct	75 ms	125692 KB	Output is correct
34	Correct	72 ms	125692 KB	Output is correct
35	Correct	81 ms	125688 KB	Output is correct
36	Correct	73 ms	125688 KB	Output is correct
37	Correct	71 ms	125688 KB	Output is correct
38	Correct	71 ms	125688 KB	Output is correct
39	Correct	73 ms	125688 KB	Output is correct
40	Correct	72 ms	125688 KB	Output is correct
41	Correct	73 ms	125688 KB	Output is correct
42	Correct	71 ms	125688 KB	Output is correct
43	Correct	71 ms	125688 KB	Output is correct
44	Correct	71 ms	125688 KB	Output is correct
45	Correct	72 ms	125688 KB	Output is correct
46	Correct	161 ms	128504 KB	Output is correct
47	Correct	186 ms	128632 KB	Output is correct
48	Correct	200 ms	128508 KB	Output is correct
49	Correct	216 ms	128504 KB	Output is correct
50	Correct	243 ms	128508 KB	Output is correct
51	Correct	188 ms	128632 KB	Output is correct
52	Correct	135 ms	127096 KB	Output is correct
53	Correct	114 ms	126712 KB	Output is correct
54	Correct	170 ms	128504 KB	Output is correct
55	Correct	205 ms	128504 KB	Output is correct
56	Correct	210 ms	128504 KB	Output is correct
57	Correct	188 ms	128504 KB	Output is correct
58	Correct	205 ms	128504 KB	Output is correct
59	Correct	213 ms	128504 KB	Output is correct
60	Correct	205 ms	128632 KB	Output is correct
61	Correct	509 ms	139384 KB	Output is correct
62	Correct	606 ms	139420 KB	Output is correct
63	Correct	645 ms	139512 KB	Output is correct
64	Runtime error	624 ms	262144 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
65	Halted	0 ms	0 KB	-

답안 #231386

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