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답안 #231383

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
231383 2020-05-13T13:25:37 Z maskoff Bigger segments (IZhO19_segments) C++14
37 / 100
 156 ms 72600 KB 
#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 = 2e6 + 1e5;

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 23 ms 33152 KB Output is correct
2 Correct 23 ms 33152 KB Output is correct
3 Correct 23 ms 33152 KB Output is correct
4 Correct 24 ms 33152 KB Output is correct
5 Correct 25 ms 33152 KB Output is correct
6 Correct 23 ms 33152 KB Output is correct
7 Correct 32 ms 33144 KB Output is correct
8 Correct 23 ms 33152 KB Output is correct
9 Correct 22 ms 33272 KB Output is correct
10 Correct 25 ms 33280 KB Output is correct
11 Correct 24 ms 33152 KB Output is correct
12 Correct 28 ms 33144 KB Output is correct
13 Correct 22 ms 33152 KB Output is correct
14 Correct 24 ms 33152 KB Output is correct
15 Correct 24 ms 33272 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 33152 KB Output is correct
2 Correct 23 ms 33152 KB Output is correct
3 Correct 23 ms 33152 KB Output is correct
4 Correct 24 ms 33152 KB Output is correct
5 Correct 25 ms 33152 KB Output is correct
6 Correct 23 ms 33152 KB Output is correct
7 Correct 32 ms 33144 KB Output is correct
8 Correct 23 ms 33152 KB Output is correct
9 Correct 22 ms 33272 KB Output is correct
10 Correct 25 ms 33280 KB Output is correct
11 Correct 24 ms 33152 KB Output is correct
12 Correct 28 ms 33144 KB Output is correct
13 Correct 22 ms 33152 KB Output is correct
14 Correct 24 ms 33152 KB Output is correct
15 Correct 24 ms 33272 KB Output is correct
16 Correct 22 ms 33280 KB Output is correct
17 Correct 24 ms 33280 KB Output is correct
18 Correct 25 ms 33280 KB Output is correct
19 Correct 26 ms 33280 KB Output is correct
20 Correct 25 ms 33408 KB Output is correct
21 Correct 24 ms 33280 KB Output is correct
22 Correct 25 ms 33280 KB Output is correct
23 Correct 24 ms 33280 KB Output is correct
24 Correct 23 ms 33280 KB Output is correct
25 Correct 24 ms 33280 KB Output is correct
26 Correct 24 ms 33280 KB Output is correct
27 Correct 24 ms 33280 KB Output is correct
28 Correct 23 ms 33280 KB Output is correct
29 Correct 23 ms 33272 KB Output is correct
30 Correct 23 ms 33280 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 33152 KB Output is correct
2 Correct 23 ms 33152 KB Output is correct
3 Correct 23 ms 33152 KB Output is correct
4 Correct 24 ms 33152 KB Output is correct
5 Correct 25 ms 33152 KB Output is correct
6 Correct 23 ms 33152 KB Output is correct
7 Correct 32 ms 33144 KB Output is correct
8 Correct 23 ms 33152 KB Output is correct
9 Correct 22 ms 33272 KB Output is correct
10 Correct 25 ms 33280 KB Output is correct
11 Correct 24 ms 33152 KB Output is correct
12 Correct 28 ms 33144 KB Output is correct
13 Correct 22 ms 33152 KB Output is correct
14 Correct 24 ms 33152 KB Output is correct
15 Correct 24 ms 33272 KB Output is correct
16 Correct 22 ms 33280 KB Output is correct
17 Correct 24 ms 33280 KB Output is correct
18 Correct 25 ms 33280 KB Output is correct
19 Correct 26 ms 33280 KB Output is correct
20 Correct 25 ms 33408 KB Output is correct
21 Correct 24 ms 33280 KB Output is correct
22 Correct 25 ms 33280 KB Output is correct
23 Correct 24 ms 33280 KB Output is correct
24 Correct 23 ms 33280 KB Output is correct
25 Correct 24 ms 33280 KB Output is correct
26 Correct 24 ms 33280 KB Output is correct
27 Correct 24 ms 33280 KB Output is correct
28 Correct 23 ms 33280 KB Output is correct
29 Correct 23 ms 33272 KB Output is correct
30 Correct 23 ms 33280 KB Output is correct
31 Correct 25 ms 33280 KB Output is correct
32 Correct 28 ms 33280 KB Output is correct
33 Correct 34 ms 33280 KB Output is correct
34 Correct 27 ms 33280 KB Output is correct
35 Correct 30 ms 33280 KB Output is correct
36 Correct 29 ms 33280 KB Output is correct
37 Correct 25 ms 33280 KB Output is correct
38 Correct 25 ms 33280 KB Output is correct
39 Correct 26 ms 33280 KB Output is correct
40 Correct 28 ms 33280 KB Output is correct
41 Correct 25 ms 33280 KB Output is correct
42 Correct 27 ms 33280 KB Output is correct
43 Correct 27 ms 33280 KB Output is correct
44 Correct 26 ms 33280 KB Output is correct
45 Correct 26 ms 33280 KB Output is correct

Subtask #4
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 33152 KB Output is correct
2 Correct 23 ms 33152 KB Output is correct
3 Correct 23 ms 33152 KB Output is correct
4 Correct 24 ms 33152 KB Output is correct
5 Correct 25 ms 33152 KB Output is correct
6 Correct 23 ms 33152 KB Output is correct
7 Correct 32 ms 33144 KB Output is correct
8 Correct 23 ms 33152 KB Output is correct
9 Correct 22 ms 33272 KB Output is correct
10 Correct 25 ms 33280 KB Output is correct
11 Correct 24 ms 33152 KB Output is correct
12 Correct 28 ms 33144 KB Output is correct
13 Correct 22 ms 33152 KB Output is correct
14 Correct 24 ms 33152 KB Output is correct
15 Correct 24 ms 33272 KB Output is correct
16 Correct 22 ms 33280 KB Output is correct
17 Correct 24 ms 33280 KB Output is correct
18 Correct 25 ms 33280 KB Output is correct
19 Correct 26 ms 33280 KB Output is correct
20 Correct 25 ms 33408 KB Output is correct
21 Correct 24 ms 33280 KB Output is correct
22 Correct 25 ms 33280 KB Output is correct
23 Correct 24 ms 33280 KB Output is correct
24 Correct 23 ms 33280 KB Output is correct
25 Correct 24 ms 33280 KB Output is correct
26 Correct 24 ms 33280 KB Output is correct
27 Correct 24 ms 33280 KB Output is correct
28 Correct 23 ms 33280 KB Output is correct
29 Correct 23 ms 33272 KB Output is correct
30 Correct 23 ms 33280 KB Output is correct
31 Correct 25 ms 33280 KB Output is correct
32 Correct 28 ms 33280 KB Output is correct
33 Correct 34 ms 33280 KB Output is correct
34 Correct 27 ms 33280 KB Output is correct
35 Correct 30 ms 33280 KB Output is correct
36 Correct 29 ms 33280 KB Output is correct
37 Correct 25 ms 33280 KB Output is correct
38 Correct 25 ms 33280 KB Output is correct
39 Correct 26 ms 33280 KB Output is correct
40 Correct 28 ms 33280 KB Output is correct
41 Correct 25 ms 33280 KB Output is correct
42 Correct 27 ms 33280 KB Output is correct
43 Correct 27 ms 33280 KB Output is correct
44 Correct 26 ms 33280 KB Output is correct
45 Correct 26 ms 33280 KB Output is correct
46 Correct 111 ms 36088 KB Output is correct
47 Correct 135 ms 35968 KB Output is correct
48 Runtime error 156 ms 72600 KB Execution killed with signal 11 (could be triggered by violating memory limits)
49 Halted 0 ms 0 KB -

Subtask #5
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 33152 KB Output is correct
2 Correct 23 ms 33152 KB Output is correct
3 Correct 23 ms 33152 KB Output is correct
4 Correct 24 ms 33152 KB Output is correct
5 Correct 25 ms 33152 KB Output is correct
6 Correct 23 ms 33152 KB Output is correct
7 Correct 32 ms 33144 KB Output is correct
8 Correct 23 ms 33152 KB Output is correct
9 Correct 22 ms 33272 KB Output is correct
10 Correct 25 ms 33280 KB Output is correct
11 Correct 24 ms 33152 KB Output is correct
12 Correct 28 ms 33144 KB Output is correct
13 Correct 22 ms 33152 KB Output is correct
14 Correct 24 ms 33152 KB Output is correct
15 Correct 24 ms 33272 KB Output is correct
16 Correct 22 ms 33280 KB Output is correct
17 Correct 24 ms 33280 KB Output is correct
18 Correct 25 ms 33280 KB Output is correct
19 Correct 26 ms 33280 KB Output is correct
20 Correct 25 ms 33408 KB Output is correct
21 Correct 24 ms 33280 KB Output is correct
22 Correct 25 ms 33280 KB Output is correct
23 Correct 24 ms 33280 KB Output is correct
24 Correct 23 ms 33280 KB Output is correct
25 Correct 24 ms 33280 KB Output is correct
26 Correct 24 ms 33280 KB Output is correct
27 Correct 24 ms 33280 KB Output is correct
28 Correct 23 ms 33280 KB Output is correct
29 Correct 23 ms 33272 KB Output is correct
30 Correct 23 ms 33280 KB Output is correct
31 Correct 25 ms 33280 KB Output is correct
32 Correct 28 ms 33280 KB Output is correct
33 Correct 34 ms 33280 KB Output is correct
34 Correct 27 ms 33280 KB Output is correct
35 Correct 30 ms 33280 KB Output is correct
36 Correct 29 ms 33280 KB Output is correct
37 Correct 25 ms 33280 KB Output is correct
38 Correct 25 ms 33280 KB Output is correct
39 Correct 26 ms 33280 KB Output is correct
40 Correct 28 ms 33280 KB Output is correct
41 Correct 25 ms 33280 KB Output is correct
42 Correct 27 ms 33280 KB Output is correct
43 Correct 27 ms 33280 KB Output is correct
44 Correct 26 ms 33280 KB Output is correct
45 Correct 26 ms 33280 KB Output is correct
46 Correct 111 ms 36088 KB Output is correct
47 Correct 135 ms 35968 KB Output is correct
48 Runtime error 156 ms 72600 KB Execution killed with signal 11 (could be triggered by violating memory limits)
49 Halted 0 ms 0 KB -