oj.uz

Submission #231380

# Submission time Handle Problem Language Result Execution time Memory
231380 2020-05-13T13:19:32 Z maskoff Bigger segments (IZhO19_segments) C++14
73 / 100
 619 ms 246264 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 + 20); 
int L[4 * N + 20], R[4 * N + 20];
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]]);
}

pll 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);
  for (int i = 1; i <= n; i++)
  	cin >> a[i];
  vector<ll> dp(N), sum(N), pref(N);
  for (int i = 1; i <= n; i++)
  	pref[i] = pref[i - 1] + a[i];

  for (int i = 1; i <= n; i++) {
  	pll 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 46 ms 90360 KB Output is correct
2 Correct 46 ms 90360 KB Output is correct
3 Correct 46 ms 90392 KB Output is correct
4 Correct 45 ms 90360 KB Output is correct
5 Correct 46 ms 90360 KB Output is correct
6 Correct 46 ms 90360 KB Output is correct
7 Correct 47 ms 90360 KB Output is correct
8 Correct 46 ms 90368 KB Output is correct
9 Correct 46 ms 90360 KB Output is correct
10 Correct 46 ms 90360 KB Output is correct
11 Correct 45 ms 90488 KB Output is correct
12 Correct 46 ms 90360 KB Output is correct
13 Correct 46 ms 90360 KB Output is correct
14 Correct 46 ms 90368 KB Output is correct
15 Correct 47 ms 90360 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 90360 KB Output is correct
2 Correct 46 ms 90360 KB Output is correct
3 Correct 46 ms 90392 KB Output is correct
4 Correct 45 ms 90360 KB Output is correct
5 Correct 46 ms 90360 KB Output is correct
6 Correct 46 ms 90360 KB Output is correct
7 Correct 47 ms 90360 KB Output is correct
8 Correct 46 ms 90368 KB Output is correct
9 Correct 46 ms 90360 KB Output is correct
10 Correct 46 ms 90360 KB Output is correct
11 Correct 45 ms 90488 KB Output is correct
12 Correct 46 ms 90360 KB Output is correct
13 Correct 46 ms 90360 KB Output is correct
14 Correct 46 ms 90368 KB Output is correct
15 Correct 47 ms 90360 KB Output is correct
16 Correct 45 ms 90496 KB Output is correct
17 Correct 46 ms 90496 KB Output is correct
18 Correct 47 ms 90488 KB Output is correct
19 Correct 47 ms 90496 KB Output is correct
20 Correct 47 ms 90488 KB Output is correct
21 Correct 48 ms 90488 KB Output is correct
22 Correct 46 ms 90488 KB Output is correct
23 Correct 46 ms 90488 KB Output is correct
24 Correct 47 ms 90496 KB Output is correct
25 Correct 46 ms 90488 KB Output is correct
26 Correct 46 ms 90364 KB Output is correct
27 Correct 49 ms 90360 KB Output is correct
28 Correct 47 ms 90360 KB Output is correct
29 Correct 46 ms 90360 KB Output is correct
30 Correct 47 ms 90360 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 90360 KB Output is correct
2 Correct 46 ms 90360 KB Output is correct
3 Correct 46 ms 90392 KB Output is correct
4 Correct 45 ms 90360 KB Output is correct
5 Correct 46 ms 90360 KB Output is correct
6 Correct 46 ms 90360 KB Output is correct
7 Correct 47 ms 90360 KB Output is correct
8 Correct 46 ms 90368 KB Output is correct
9 Correct 46 ms 90360 KB Output is correct
10 Correct 46 ms 90360 KB Output is correct
11 Correct 45 ms 90488 KB Output is correct
12 Correct 46 ms 90360 KB Output is correct
13 Correct 46 ms 90360 KB Output is correct
14 Correct 46 ms 90368 KB Output is correct
15 Correct 47 ms 90360 KB Output is correct
16 Correct 45 ms 90496 KB Output is correct
17 Correct 46 ms 90496 KB Output is correct
18 Correct 47 ms 90488 KB Output is correct
19 Correct 47 ms 90496 KB Output is correct
20 Correct 47 ms 90488 KB Output is correct
21 Correct 48 ms 90488 KB Output is correct
22 Correct 46 ms 90488 KB Output is correct
23 Correct 46 ms 90488 KB Output is correct
24 Correct 47 ms 90496 KB Output is correct
25 Correct 46 ms 90488 KB Output is correct
26 Correct 46 ms 90364 KB Output is correct
27 Correct 49 ms 90360 KB Output is correct
28 Correct 47 ms 90360 KB Output is correct
29 Correct 46 ms 90360 KB Output is correct
30 Correct 47 ms 90360 KB Output is correct
31 Correct 48 ms 90708 KB Output is correct
32 Correct 48 ms 90872 KB Output is correct
33 Correct 50 ms 91000 KB Output is correct
34 Correct 51 ms 91000 KB Output is correct
35 Correct 51 ms 91128 KB Output is correct
36 Correct 51 ms 91128 KB Output is correct
37 Correct 50 ms 91000 KB Output is correct
38 Correct 49 ms 90872 KB Output is correct
39 Correct 50 ms 90488 KB Output is correct
40 Correct 51 ms 91128 KB Output is correct
41 Correct 52 ms 90492 KB Output is correct
42 Correct 51 ms 90616 KB Output is correct
43 Correct 49 ms 90488 KB Output is correct
44 Correct 49 ms 90616 KB Output is correct
45 Correct 49 ms 90616 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 90360 KB Output is correct
2 Correct 46 ms 90360 KB Output is correct
3 Correct 46 ms 90392 KB Output is correct
4 Correct 45 ms 90360 KB Output is correct
5 Correct 46 ms 90360 KB Output is correct
6 Correct 46 ms 90360 KB Output is correct
7 Correct 47 ms 90360 KB Output is correct
8 Correct 46 ms 90368 KB Output is correct
9 Correct 46 ms 90360 KB Output is correct
10 Correct 46 ms 90360 KB Output is correct
11 Correct 45 ms 90488 KB Output is correct
12 Correct 46 ms 90360 KB Output is correct
13 Correct 46 ms 90360 KB Output is correct
14 Correct 46 ms 90368 KB Output is correct
15 Correct 47 ms 90360 KB Output is correct
16 Correct 45 ms 90496 KB Output is correct
17 Correct 46 ms 90496 KB Output is correct
18 Correct 47 ms 90488 KB Output is correct
19 Correct 47 ms 90496 KB Output is correct
20 Correct 47 ms 90488 KB Output is correct
21 Correct 48 ms 90488 KB Output is correct
22 Correct 46 ms 90488 KB Output is correct
23 Correct 46 ms 90488 KB Output is correct
24 Correct 47 ms 90496 KB Output is correct
25 Correct 46 ms 90488 KB Output is correct
26 Correct 46 ms 90364 KB Output is correct
27 Correct 49 ms 90360 KB Output is correct
28 Correct 47 ms 90360 KB Output is correct
29 Correct 46 ms 90360 KB Output is correct
30 Correct 47 ms 90360 KB Output is correct
31 Correct 48 ms 90708 KB Output is correct
32 Correct 48 ms 90872 KB Output is correct
33 Correct 50 ms 91000 KB Output is correct
34 Correct 51 ms 91000 KB Output is correct
35 Correct 51 ms 91128 KB Output is correct
36 Correct 51 ms 91128 KB Output is correct
37 Correct 50 ms 91000 KB Output is correct
38 Correct 49 ms 90872 KB Output is correct
39 Correct 50 ms 90488 KB Output is correct
40 Correct 51 ms 91128 KB Output is correct
41 Correct 52 ms 90492 KB Output is correct
42 Correct 51 ms 90616 KB Output is correct
43 Correct 49 ms 90488 KB Output is correct
44 Correct 49 ms 90616 KB Output is correct
45 Correct 49 ms 90616 KB Output is correct
46 Correct 148 ms 99064 KB Output is correct
47 Correct 176 ms 100304 KB Output is correct
48 Correct 188 ms 110584 KB Output is correct
49 Correct 206 ms 112120 KB Output is correct
50 Correct 235 ms 114552 KB Output is correct
51 Correct 187 ms 114168 KB Output is correct
52 Correct 127 ms 102140 KB Output is correct
53 Correct 96 ms 97528 KB Output is correct
54 Correct 148 ms 93304 KB Output is correct
55 Correct 207 ms 113272 KB Output is correct
56 Correct 184 ms 100600 KB Output is correct
57 Correct 177 ms 98920 KB Output is correct
58 Correct 183 ms 99616 KB Output is correct
59 Correct 197 ms 103800 KB Output is correct
60 Correct 197 ms 103800 KB Output is correct

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 90360 KB Output is correct
2 Correct 46 ms 90360 KB Output is correct
3 Correct 46 ms 90392 KB Output is correct
4 Correct 45 ms 90360 KB Output is correct
5 Correct 46 ms 90360 KB Output is correct
6 Correct 46 ms 90360 KB Output is correct
7 Correct 47 ms 90360 KB Output is correct
8 Correct 46 ms 90368 KB Output is correct
9 Correct 46 ms 90360 KB Output is correct
10 Correct 46 ms 90360 KB Output is correct
11 Correct 45 ms 90488 KB Output is correct
12 Correct 46 ms 90360 KB Output is correct
13 Correct 46 ms 90360 KB Output is correct
14 Correct 46 ms 90368 KB Output is correct
15 Correct 47 ms 90360 KB Output is correct
16 Correct 45 ms 90496 KB Output is correct
17 Correct 46 ms 90496 KB Output is correct
18 Correct 47 ms 90488 KB Output is correct
19 Correct 47 ms 90496 KB Output is correct
20 Correct 47 ms 90488 KB Output is correct
21 Correct 48 ms 90488 KB Output is correct
22 Correct 46 ms 90488 KB Output is correct
23 Correct 46 ms 90488 KB Output is correct
24 Correct 47 ms 90496 KB Output is correct
25 Correct 46 ms 90488 KB Output is correct
26 Correct 46 ms 90364 KB Output is correct
27 Correct 49 ms 90360 KB Output is correct
28 Correct 47 ms 90360 KB Output is correct
29 Correct 46 ms 90360 KB Output is correct
30 Correct 47 ms 90360 KB Output is correct
31 Correct 48 ms 90708 KB Output is correct
32 Correct 48 ms 90872 KB Output is correct
33 Correct 50 ms 91000 KB Output is correct
34 Correct 51 ms 91000 KB Output is correct
35 Correct 51 ms 91128 KB Output is correct
36 Correct 51 ms 91128 KB Output is correct
37 Correct 50 ms 91000 KB Output is correct
38 Correct 49 ms 90872 KB Output is correct
39 Correct 50 ms 90488 KB Output is correct
40 Correct 51 ms 91128 KB Output is correct
41 Correct 52 ms 90492 KB Output is correct
42 Correct 51 ms 90616 KB Output is correct
43 Correct 49 ms 90488 KB Output is correct
44 Correct 49 ms 90616 KB Output is correct
45 Correct 49 ms 90616 KB Output is correct
46 Correct 148 ms 99064 KB Output is correct
47 Correct 176 ms 100304 KB Output is correct
48 Correct 188 ms 110584 KB Output is correct
49 Correct 206 ms 112120 KB Output is correct
50 Correct 235 ms 114552 KB Output is correct
51 Correct 187 ms 114168 KB Output is correct
52 Correct 127 ms 102140 KB Output is correct
53 Correct 96 ms 97528 KB Output is correct
54 Correct 148 ms 93304 KB Output is correct
55 Correct 207 ms 113272 KB Output is correct
56 Correct 184 ms 100600 KB Output is correct
57 Correct 177 ms 98920 KB Output is correct
58 Correct 183 ms 99616 KB Output is correct
59 Correct 197 ms 103800 KB Output is correct
60 Correct 197 ms 103800 KB Output is correct
61 Runtime error 619 ms 246264 KB Execution killed with signal 11 (could be triggered by violating memory limits)
62 Halted 0 ms 0 KB -