oj.uz

Submission #231360

# Submission time Handle Problem Language Result Execution time Memory
231360 2020-05-13T12:35:46 Z maskoff Bigger segments (IZhO19_segments) C++14
73 / 100
 580 ms 224608 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 = 1e18;
const int MOD = 1e9 + 7;
                                          
const int dx[] = {+1, -1, 0, 0};
const int dy[] = {0, 0, +1, -1};

int const N = 1e6 + 5;

vector<pll> t(4 * N); 
int L[4 * N], R[4 * 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

# Verdict Execution time Memory Grader output
1 Correct 35 ms 62968 KB Output is correct
2 Correct 34 ms 62952 KB Output is correct
3 Correct 34 ms 62976 KB Output is correct
4 Correct 34 ms 62968 KB Output is correct
5 Correct 35 ms 62912 KB Output is correct
6 Correct 34 ms 62968 KB Output is correct
7 Correct 39 ms 62968 KB Output is correct
8 Correct 36 ms 62968 KB Output is correct
9 Correct 36 ms 63096 KB Output is correct
10 Correct 35 ms 62968 KB Output is correct
11 Correct 35 ms 62976 KB Output is correct
12 Correct 35 ms 62976 KB Output is correct
13 Correct 35 ms 62976 KB Output is correct
14 Correct 35 ms 62976 KB Output is correct
15 Correct 35 ms 62976 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 62968 KB Output is correct
2 Correct 34 ms 62952 KB Output is correct
3 Correct 34 ms 62976 KB Output is correct
4 Correct 34 ms 62968 KB Output is correct
5 Correct 35 ms 62912 KB Output is correct
6 Correct 34 ms 62968 KB Output is correct
7 Correct 39 ms 62968 KB Output is correct
8 Correct 36 ms 62968 KB Output is correct
9 Correct 36 ms 63096 KB Output is correct
10 Correct 35 ms 62968 KB Output is correct
11 Correct 35 ms 62976 KB Output is correct
12 Correct 35 ms 62976 KB Output is correct
13 Correct 35 ms 62976 KB Output is correct
14 Correct 35 ms 62976 KB Output is correct
15 Correct 35 ms 62976 KB Output is correct
16 Correct 36 ms 63096 KB Output is correct
17 Correct 36 ms 63096 KB Output is correct
18 Correct 36 ms 63104 KB Output is correct
19 Correct 36 ms 63096 KB Output is correct
20 Correct 36 ms 63096 KB Output is correct
21 Correct 36 ms 63096 KB Output is correct
22 Correct 36 ms 63104 KB Output is correct
23 Correct 35 ms 63096 KB Output is correct
24 Correct 36 ms 62968 KB Output is correct
25 Correct 36 ms 63096 KB Output is correct
26 Correct 36 ms 62976 KB Output is correct
27 Correct 38 ms 62968 KB Output is correct
28 Correct 36 ms 62976 KB Output is correct
29 Correct 36 ms 62968 KB Output is correct
30 Correct 38 ms 62968 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 62968 KB Output is correct
2 Correct 34 ms 62952 KB Output is correct
3 Correct 34 ms 62976 KB Output is correct
4 Correct 34 ms 62968 KB Output is correct
5 Correct 35 ms 62912 KB Output is correct
6 Correct 34 ms 62968 KB Output is correct
7 Correct 39 ms 62968 KB Output is correct
8 Correct 36 ms 62968 KB Output is correct
9 Correct 36 ms 63096 KB Output is correct
10 Correct 35 ms 62968 KB Output is correct
11 Correct 35 ms 62976 KB Output is correct
12 Correct 35 ms 62976 KB Output is correct
13 Correct 35 ms 62976 KB Output is correct
14 Correct 35 ms 62976 KB Output is correct
15 Correct 35 ms 62976 KB Output is correct
16 Correct 36 ms 63096 KB Output is correct
17 Correct 36 ms 63096 KB Output is correct
18 Correct 36 ms 63104 KB Output is correct
19 Correct 36 ms 63096 KB Output is correct
20 Correct 36 ms 63096 KB Output is correct
21 Correct 36 ms 63096 KB Output is correct
22 Correct 36 ms 63104 KB Output is correct
23 Correct 35 ms 63096 KB Output is correct
24 Correct 36 ms 62968 KB Output is correct
25 Correct 36 ms 63096 KB Output is correct
26 Correct 36 ms 62976 KB Output is correct
27 Correct 38 ms 62968 KB Output is correct
28 Correct 36 ms 62976 KB Output is correct
29 Correct 36 ms 62968 KB Output is correct
30 Correct 38 ms 62968 KB Output is correct
31 Correct 38 ms 63480 KB Output is correct
32 Correct 41 ms 63608 KB Output is correct
33 Correct 39 ms 63608 KB Output is correct
34 Correct 42 ms 63616 KB Output is correct
35 Correct 42 ms 63864 KB Output is correct
36 Correct 41 ms 63736 KB Output is correct
37 Correct 39 ms 63864 KB Output is correct
38 Correct 39 ms 63488 KB Output is correct
39 Correct 38 ms 63224 KB Output is correct
40 Correct 40 ms 63744 KB Output is correct
41 Correct 39 ms 63224 KB Output is correct
42 Correct 38 ms 63232 KB Output is correct
43 Correct 39 ms 63104 KB Output is correct
44 Correct 39 ms 63360 KB Output is correct
45 Correct 39 ms 63352 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 62968 KB Output is correct
2 Correct 34 ms 62952 KB Output is correct
3 Correct 34 ms 62976 KB Output is correct
4 Correct 34 ms 62968 KB Output is correct
5 Correct 35 ms 62912 KB Output is correct
6 Correct 34 ms 62968 KB Output is correct
7 Correct 39 ms 62968 KB Output is correct
8 Correct 36 ms 62968 KB Output is correct
9 Correct 36 ms 63096 KB Output is correct
10 Correct 35 ms 62968 KB Output is correct
11 Correct 35 ms 62976 KB Output is correct
12 Correct 35 ms 62976 KB Output is correct
13 Correct 35 ms 62976 KB Output is correct
14 Correct 35 ms 62976 KB Output is correct
15 Correct 35 ms 62976 KB Output is correct
16 Correct 36 ms 63096 KB Output is correct
17 Correct 36 ms 63096 KB Output is correct
18 Correct 36 ms 63104 KB Output is correct
19 Correct 36 ms 63096 KB Output is correct
20 Correct 36 ms 63096 KB Output is correct
21 Correct 36 ms 63096 KB Output is correct
22 Correct 36 ms 63104 KB Output is correct
23 Correct 35 ms 63096 KB Output is correct
24 Correct 36 ms 62968 KB Output is correct
25 Correct 36 ms 63096 KB Output is correct
26 Correct 36 ms 62976 KB Output is correct
27 Correct 38 ms 62968 KB Output is correct
28 Correct 36 ms 62976 KB Output is correct
29 Correct 36 ms 62968 KB Output is correct
30 Correct 38 ms 62968 KB Output is correct
31 Correct 38 ms 63480 KB Output is correct
32 Correct 41 ms 63608 KB Output is correct
33 Correct 39 ms 63608 KB Output is correct
34 Correct 42 ms 63616 KB Output is correct
35 Correct 42 ms 63864 KB Output is correct
36 Correct 41 ms 63736 KB Output is correct
37 Correct 39 ms 63864 KB Output is correct
38 Correct 39 ms 63488 KB Output is correct
39 Correct 38 ms 63224 KB Output is correct
40 Correct 40 ms 63744 KB Output is correct
41 Correct 39 ms 63224 KB Output is correct
42 Correct 38 ms 63232 KB Output is correct
43 Correct 39 ms 63104 KB Output is correct
44 Correct 39 ms 63360 KB Output is correct
45 Correct 39 ms 63352 KB Output is correct
46 Correct 139 ms 74744 KB Output is correct
47 Correct 171 ms 75988 KB Output is correct
48 Correct 189 ms 86264 KB Output is correct
49 Correct 201 ms 88824 KB Output is correct
50 Correct 226 ms 91256 KB Output is correct
51 Correct 186 ms 90872 KB Output is correct
52 Correct 112 ms 76896 KB Output is correct
53 Correct 80 ms 71416 KB Output is correct
54 Correct 144 ms 69240 KB Output is correct
55 Correct 205 ms 90136 KB Output is correct
56 Correct 180 ms 76888 KB Output is correct
57 Correct 171 ms 75000 KB Output is correct
58 Correct 175 ms 75896 KB Output is correct
59 Correct 197 ms 80120 KB Output is correct
60 Correct 184 ms 80144 KB Output is correct

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 62968 KB Output is correct
2 Correct 34 ms 62952 KB Output is correct
3 Correct 34 ms 62976 KB Output is correct
4 Correct 34 ms 62968 KB Output is correct
5 Correct 35 ms 62912 KB Output is correct
6 Correct 34 ms 62968 KB Output is correct
7 Correct 39 ms 62968 KB Output is correct
8 Correct 36 ms 62968 KB Output is correct
9 Correct 36 ms 63096 KB Output is correct
10 Correct 35 ms 62968 KB Output is correct
11 Correct 35 ms 62976 KB Output is correct
12 Correct 35 ms 62976 KB Output is correct
13 Correct 35 ms 62976 KB Output is correct
14 Correct 35 ms 62976 KB Output is correct
15 Correct 35 ms 62976 KB Output is correct
16 Correct 36 ms 63096 KB Output is correct
17 Correct 36 ms 63096 KB Output is correct
18 Correct 36 ms 63104 KB Output is correct
19 Correct 36 ms 63096 KB Output is correct
20 Correct 36 ms 63096 KB Output is correct
21 Correct 36 ms 63096 KB Output is correct
22 Correct 36 ms 63104 KB Output is correct
23 Correct 35 ms 63096 KB Output is correct
24 Correct 36 ms 62968 KB Output is correct
25 Correct 36 ms 63096 KB Output is correct
26 Correct 36 ms 62976 KB Output is correct
27 Correct 38 ms 62968 KB Output is correct
28 Correct 36 ms 62976 KB Output is correct
29 Correct 36 ms 62968 KB Output is correct
30 Correct 38 ms 62968 KB Output is correct
31 Correct 38 ms 63480 KB Output is correct
32 Correct 41 ms 63608 KB Output is correct
33 Correct 39 ms 63608 KB Output is correct
34 Correct 42 ms 63616 KB Output is correct
35 Correct 42 ms 63864 KB Output is correct
36 Correct 41 ms 63736 KB Output is correct
37 Correct 39 ms 63864 KB Output is correct
38 Correct 39 ms 63488 KB Output is correct
39 Correct 38 ms 63224 KB Output is correct
40 Correct 40 ms 63744 KB Output is correct
41 Correct 39 ms 63224 KB Output is correct
42 Correct 38 ms 63232 KB Output is correct
43 Correct 39 ms 63104 KB Output is correct
44 Correct 39 ms 63360 KB Output is correct
45 Correct 39 ms 63352 KB Output is correct
46 Correct 139 ms 74744 KB Output is correct
47 Correct 171 ms 75988 KB Output is correct
48 Correct 189 ms 86264 KB Output is correct
49 Correct 201 ms 88824 KB Output is correct
50 Correct 226 ms 91256 KB Output is correct
51 Correct 186 ms 90872 KB Output is correct
52 Correct 112 ms 76896 KB Output is correct
53 Correct 80 ms 71416 KB Output is correct
54 Correct 144 ms 69240 KB Output is correct
55 Correct 205 ms 90136 KB Output is correct
56 Correct 180 ms 76888 KB Output is correct
57 Correct 171 ms 75000 KB Output is correct
58 Correct 175 ms 75896 KB Output is correct
59 Correct 197 ms 80120 KB Output is correct
60 Correct 184 ms 80144 KB Output is correct
61 Runtime error 580 ms 224608 KB Execution killed with signal 11 (could be triggered by violating memory limits)
62 Halted 0 ms 0 KB -