답안 #231387

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
231387	2020-05-13T13:28:32 Z	maskoff	Bigger segments (IZhO19_segments)	C++14	73 / 100	557 ms	186852 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 = 1e15;
const int MOD = 1e9 + 7;
                                          
const int dx[] = {+1, -1, 0, 0};
const int dy[] = {0, 0, +1, -1};

int const N = 5e6;

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	44 ms	78584 KB	Output is correct
2	Correct	44 ms	78584 KB	Output is correct
3	Correct	44 ms	78588 KB	Output is correct
4	Correct	44 ms	78584 KB	Output is correct
5	Correct	44 ms	78584 KB	Output is correct
6	Correct	45 ms	78584 KB	Output is correct
7	Correct	44 ms	78592 KB	Output is correct
8	Correct	47 ms	78584 KB	Output is correct
9	Correct	46 ms	78584 KB	Output is correct
10	Correct	45 ms	78584 KB	Output is correct
11	Correct	46 ms	78584 KB	Output is correct
12	Correct	45 ms	78584 KB	Output is correct
13	Correct	50 ms	78712 KB	Output is correct
14	Correct	44 ms	78584 KB	Output is correct
15	Correct	44 ms	78584 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	44 ms	78584 KB	Output is correct
2	Correct	44 ms	78584 KB	Output is correct
3	Correct	44 ms	78588 KB	Output is correct
4	Correct	44 ms	78584 KB	Output is correct
5	Correct	44 ms	78584 KB	Output is correct
6	Correct	45 ms	78584 KB	Output is correct
7	Correct	44 ms	78592 KB	Output is correct
8	Correct	47 ms	78584 KB	Output is correct
9	Correct	46 ms	78584 KB	Output is correct
10	Correct	45 ms	78584 KB	Output is correct
11	Correct	46 ms	78584 KB	Output is correct
12	Correct	45 ms	78584 KB	Output is correct
13	Correct	50 ms	78712 KB	Output is correct
14	Correct	44 ms	78584 KB	Output is correct
15	Correct	44 ms	78584 KB	Output is correct
16	Correct	44 ms	78584 KB	Output is correct
17	Correct	44 ms	78592 KB	Output is correct
18	Correct	46 ms	78592 KB	Output is correct
19	Correct	49 ms	78584 KB	Output is correct
20	Correct	45 ms	78584 KB	Output is correct
21	Correct	44 ms	78584 KB	Output is correct
22	Correct	45 ms	78584 KB	Output is correct
23	Correct	43 ms	78584 KB	Output is correct
24	Correct	45 ms	78712 KB	Output is correct
25	Correct	45 ms	78584 KB	Output is correct
26	Correct	47 ms	78712 KB	Output is correct
27	Correct	47 ms	78712 KB	Output is correct
28	Correct	45 ms	78584 KB	Output is correct
29	Correct	46 ms	78720 KB	Output is correct
30	Correct	46 ms	78712 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	44 ms	78584 KB	Output is correct
2	Correct	44 ms	78584 KB	Output is correct
3	Correct	44 ms	78588 KB	Output is correct
4	Correct	44 ms	78584 KB	Output is correct
5	Correct	44 ms	78584 KB	Output is correct
6	Correct	45 ms	78584 KB	Output is correct
7	Correct	44 ms	78592 KB	Output is correct
8	Correct	47 ms	78584 KB	Output is correct
9	Correct	46 ms	78584 KB	Output is correct
10	Correct	45 ms	78584 KB	Output is correct
11	Correct	46 ms	78584 KB	Output is correct
12	Correct	45 ms	78584 KB	Output is correct
13	Correct	50 ms	78712 KB	Output is correct
14	Correct	44 ms	78584 KB	Output is correct
15	Correct	44 ms	78584 KB	Output is correct
16	Correct	44 ms	78584 KB	Output is correct
17	Correct	44 ms	78592 KB	Output is correct
18	Correct	46 ms	78592 KB	Output is correct
19	Correct	49 ms	78584 KB	Output is correct
20	Correct	45 ms	78584 KB	Output is correct
21	Correct	44 ms	78584 KB	Output is correct
22	Correct	45 ms	78584 KB	Output is correct
23	Correct	43 ms	78584 KB	Output is correct
24	Correct	45 ms	78712 KB	Output is correct
25	Correct	45 ms	78584 KB	Output is correct
26	Correct	47 ms	78712 KB	Output is correct
27	Correct	47 ms	78712 KB	Output is correct
28	Correct	45 ms	78584 KB	Output is correct
29	Correct	46 ms	78720 KB	Output is correct
30	Correct	46 ms	78712 KB	Output is correct
31	Correct	47 ms	78716 KB	Output is correct
32	Correct	45 ms	78712 KB	Output is correct
33	Correct	47 ms	78712 KB	Output is correct
34	Correct	51 ms	78712 KB	Output is correct
35	Correct	49 ms	78720 KB	Output is correct
36	Correct	48 ms	78712 KB	Output is correct
37	Correct	47 ms	78712 KB	Output is correct
38	Correct	49 ms	78712 KB	Output is correct
39	Correct	48 ms	78720 KB	Output is correct
40	Correct	48 ms	78712 KB	Output is correct
41	Correct	47 ms	78712 KB	Output is correct
42	Correct	47 ms	78712 KB	Output is correct
43	Correct	47 ms	78712 KB	Output is correct
44	Correct	48 ms	78712 KB	Output is correct
45	Correct	47 ms	78712 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	44 ms	78584 KB	Output is correct
2	Correct	44 ms	78584 KB	Output is correct
3	Correct	44 ms	78588 KB	Output is correct
4	Correct	44 ms	78584 KB	Output is correct
5	Correct	44 ms	78584 KB	Output is correct
6	Correct	45 ms	78584 KB	Output is correct
7	Correct	44 ms	78592 KB	Output is correct
8	Correct	47 ms	78584 KB	Output is correct
9	Correct	46 ms	78584 KB	Output is correct
10	Correct	45 ms	78584 KB	Output is correct
11	Correct	46 ms	78584 KB	Output is correct
12	Correct	45 ms	78584 KB	Output is correct
13	Correct	50 ms	78712 KB	Output is correct
14	Correct	44 ms	78584 KB	Output is correct
15	Correct	44 ms	78584 KB	Output is correct
16	Correct	44 ms	78584 KB	Output is correct
17	Correct	44 ms	78592 KB	Output is correct
18	Correct	46 ms	78592 KB	Output is correct
19	Correct	49 ms	78584 KB	Output is correct
20	Correct	45 ms	78584 KB	Output is correct
21	Correct	44 ms	78584 KB	Output is correct
22	Correct	45 ms	78584 KB	Output is correct
23	Correct	43 ms	78584 KB	Output is correct
24	Correct	45 ms	78712 KB	Output is correct
25	Correct	45 ms	78584 KB	Output is correct
26	Correct	47 ms	78712 KB	Output is correct
27	Correct	47 ms	78712 KB	Output is correct
28	Correct	45 ms	78584 KB	Output is correct
29	Correct	46 ms	78720 KB	Output is correct
30	Correct	46 ms	78712 KB	Output is correct
31	Correct	47 ms	78716 KB	Output is correct
32	Correct	45 ms	78712 KB	Output is correct
33	Correct	47 ms	78712 KB	Output is correct
34	Correct	51 ms	78712 KB	Output is correct
35	Correct	49 ms	78720 KB	Output is correct
36	Correct	48 ms	78712 KB	Output is correct
37	Correct	47 ms	78712 KB	Output is correct
38	Correct	49 ms	78712 KB	Output is correct
39	Correct	48 ms	78720 KB	Output is correct
40	Correct	48 ms	78712 KB	Output is correct
41	Correct	47 ms	78712 KB	Output is correct
42	Correct	47 ms	78712 KB	Output is correct
43	Correct	47 ms	78712 KB	Output is correct
44	Correct	48 ms	78712 KB	Output is correct
45	Correct	47 ms	78712 KB	Output is correct
46	Correct	124 ms	81400 KB	Output is correct
47	Correct	158 ms	81400 KB	Output is correct
48	Correct	160 ms	81400 KB	Output is correct
49	Correct	169 ms	81400 KB	Output is correct
50	Correct	208 ms	81400 KB	Output is correct
51	Correct	155 ms	81400 KB	Output is correct
52	Correct	98 ms	79992 KB	Output is correct
53	Correct	76 ms	79480 KB	Output is correct
54	Correct	147 ms	81528 KB	Output is correct
55	Correct	183 ms	81400 KB	Output is correct
56	Correct	169 ms	81400 KB	Output is correct
57	Correct	155 ms	81400 KB	Output is correct
58	Correct	165 ms	81400 KB	Output is correct
59	Correct	186 ms	81424 KB	Output is correct
60	Correct	173 ms	81400 KB	Output is correct

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	44 ms	78584 KB	Output is correct
2	Correct	44 ms	78584 KB	Output is correct
3	Correct	44 ms	78588 KB	Output is correct
4	Correct	44 ms	78584 KB	Output is correct
5	Correct	44 ms	78584 KB	Output is correct
6	Correct	45 ms	78584 KB	Output is correct
7	Correct	44 ms	78592 KB	Output is correct
8	Correct	47 ms	78584 KB	Output is correct
9	Correct	46 ms	78584 KB	Output is correct
10	Correct	45 ms	78584 KB	Output is correct
11	Correct	46 ms	78584 KB	Output is correct
12	Correct	45 ms	78584 KB	Output is correct
13	Correct	50 ms	78712 KB	Output is correct
14	Correct	44 ms	78584 KB	Output is correct
15	Correct	44 ms	78584 KB	Output is correct
16	Correct	44 ms	78584 KB	Output is correct
17	Correct	44 ms	78592 KB	Output is correct
18	Correct	46 ms	78592 KB	Output is correct
19	Correct	49 ms	78584 KB	Output is correct
20	Correct	45 ms	78584 KB	Output is correct
21	Correct	44 ms	78584 KB	Output is correct
22	Correct	45 ms	78584 KB	Output is correct
23	Correct	43 ms	78584 KB	Output is correct
24	Correct	45 ms	78712 KB	Output is correct
25	Correct	45 ms	78584 KB	Output is correct
26	Correct	47 ms	78712 KB	Output is correct
27	Correct	47 ms	78712 KB	Output is correct
28	Correct	45 ms	78584 KB	Output is correct
29	Correct	46 ms	78720 KB	Output is correct
30	Correct	46 ms	78712 KB	Output is correct
31	Correct	47 ms	78716 KB	Output is correct
32	Correct	45 ms	78712 KB	Output is correct
33	Correct	47 ms	78712 KB	Output is correct
34	Correct	51 ms	78712 KB	Output is correct
35	Correct	49 ms	78720 KB	Output is correct
36	Correct	48 ms	78712 KB	Output is correct
37	Correct	47 ms	78712 KB	Output is correct
38	Correct	49 ms	78712 KB	Output is correct
39	Correct	48 ms	78720 KB	Output is correct
40	Correct	48 ms	78712 KB	Output is correct
41	Correct	47 ms	78712 KB	Output is correct
42	Correct	47 ms	78712 KB	Output is correct
43	Correct	47 ms	78712 KB	Output is correct
44	Correct	48 ms	78712 KB	Output is correct
45	Correct	47 ms	78712 KB	Output is correct
46	Correct	124 ms	81400 KB	Output is correct
47	Correct	158 ms	81400 KB	Output is correct
48	Correct	160 ms	81400 KB	Output is correct
49	Correct	169 ms	81400 KB	Output is correct
50	Correct	208 ms	81400 KB	Output is correct
51	Correct	155 ms	81400 KB	Output is correct
52	Correct	98 ms	79992 KB	Output is correct
53	Correct	76 ms	79480 KB	Output is correct
54	Correct	147 ms	81528 KB	Output is correct
55	Correct	183 ms	81400 KB	Output is correct
56	Correct	169 ms	81400 KB	Output is correct
57	Correct	155 ms	81400 KB	Output is correct
58	Correct	165 ms	81400 KB	Output is correct
59	Correct	186 ms	81424 KB	Output is correct
60	Correct	173 ms	81400 KB	Output is correct
61	Runtime error	557 ms	186852 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
62	Halted	0 ms	0 KB	-

답안 #231387

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