oj.uz

Submission #231389

# Submission time Handle Problem Language Result Execution time Memory
231389 2020-05-13T13:30:38 Z maskoff Bigger segments (IZhO19_segments) C++14
73 / 100
 623 ms 250336 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 = 1e16;
const int MOD = 1e9 + 7;
                                          
const int dx[] = {+1, -1, 0, 0};
const int dy[] = {0, 0, +1, -1};

int const N = 7e6;

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

# Verdict Execution time Memory Grader output
1 Correct 60 ms 109944 KB Output is correct
2 Correct 60 ms 110072 KB Output is correct
3 Correct 59 ms 109944 KB Output is correct
4 Correct 60 ms 109944 KB Output is correct
5 Correct 59 ms 109952 KB Output is correct
6 Correct 61 ms 109944 KB Output is correct
7 Correct 66 ms 109944 KB Output is correct
8 Correct 60 ms 109944 KB Output is correct
9 Correct 59 ms 109944 KB Output is correct
10 Correct 62 ms 110072 KB Output is correct
11 Correct 61 ms 109944 KB Output is correct
12 Correct 60 ms 109944 KB Output is correct
13 Correct 62 ms 109944 KB Output is correct
14 Correct 60 ms 109944 KB Output is correct
15 Correct 66 ms 109944 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 109944 KB Output is correct
2 Correct 60 ms 110072 KB Output is correct
3 Correct 59 ms 109944 KB Output is correct
4 Correct 60 ms 109944 KB Output is correct
5 Correct 59 ms 109952 KB Output is correct
6 Correct 61 ms 109944 KB Output is correct
7 Correct 66 ms 109944 KB Output is correct
8 Correct 60 ms 109944 KB Output is correct
9 Correct 59 ms 109944 KB Output is correct
10 Correct 62 ms 110072 KB Output is correct
11 Correct 61 ms 109944 KB Output is correct
12 Correct 60 ms 109944 KB Output is correct
13 Correct 62 ms 109944 KB Output is correct
14 Correct 60 ms 109944 KB Output is correct
15 Correct 66 ms 109944 KB Output is correct
16 Correct 61 ms 109944 KB Output is correct
17 Correct 61 ms 109944 KB Output is correct
18 Correct 64 ms 109944 KB Output is correct
19 Correct 59 ms 109944 KB Output is correct
20 Correct 60 ms 109944 KB Output is correct
21 Correct 61 ms 109944 KB Output is correct
22 Correct 60 ms 109944 KB Output is correct
23 Correct 61 ms 109944 KB Output is correct
24 Correct 64 ms 110072 KB Output is correct
25 Correct 59 ms 109944 KB Output is correct
26 Correct 60 ms 109944 KB Output is correct
27 Correct 66 ms 109944 KB Output is correct
28 Correct 59 ms 109944 KB Output is correct
29 Correct 60 ms 109944 KB Output is correct
30 Correct 59 ms 109944 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 109944 KB Output is correct
2 Correct 60 ms 110072 KB Output is correct
3 Correct 59 ms 109944 KB Output is correct
4 Correct 60 ms 109944 KB Output is correct
5 Correct 59 ms 109952 KB Output is correct
6 Correct 61 ms 109944 KB Output is correct
7 Correct 66 ms 109944 KB Output is correct
8 Correct 60 ms 109944 KB Output is correct
9 Correct 59 ms 109944 KB Output is correct
10 Correct 62 ms 110072 KB Output is correct
11 Correct 61 ms 109944 KB Output is correct
12 Correct 60 ms 109944 KB Output is correct
13 Correct 62 ms 109944 KB Output is correct
14 Correct 60 ms 109944 KB Output is correct
15 Correct 66 ms 109944 KB Output is correct
16 Correct 61 ms 109944 KB Output is correct
17 Correct 61 ms 109944 KB Output is correct
18 Correct 64 ms 109944 KB Output is correct
19 Correct 59 ms 109944 KB Output is correct
20 Correct 60 ms 109944 KB Output is correct
21 Correct 61 ms 109944 KB Output is correct
22 Correct 60 ms 109944 KB Output is correct
23 Correct 61 ms 109944 KB Output is correct
24 Correct 64 ms 110072 KB Output is correct
25 Correct 59 ms 109944 KB Output is correct
26 Correct 60 ms 109944 KB Output is correct
27 Correct 66 ms 109944 KB Output is correct
28 Correct 59 ms 109944 KB Output is correct
29 Correct 60 ms 109944 KB Output is correct
30 Correct 59 ms 109944 KB Output is correct
31 Correct 62 ms 109944 KB Output is correct
32 Correct 62 ms 109944 KB Output is correct
33 Correct 65 ms 109944 KB Output is correct
34 Correct 64 ms 109944 KB Output is correct
35 Correct 64 ms 110072 KB Output is correct
36 Correct 63 ms 110072 KB Output is correct
37 Correct 62 ms 109944 KB Output is correct
38 Correct 62 ms 109944 KB Output is correct
39 Correct 64 ms 110072 KB Output is correct
40 Correct 63 ms 110072 KB Output is correct
41 Correct 65 ms 110072 KB Output is correct
42 Correct 66 ms 110072 KB Output is correct
43 Correct 62 ms 110048 KB Output is correct
44 Correct 64 ms 109944 KB Output is correct
45 Correct 66 ms 109944 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 109944 KB Output is correct
2 Correct 60 ms 110072 KB Output is correct
3 Correct 59 ms 109944 KB Output is correct
4 Correct 60 ms 109944 KB Output is correct
5 Correct 59 ms 109952 KB Output is correct
6 Correct 61 ms 109944 KB Output is correct
7 Correct 66 ms 109944 KB Output is correct
8 Correct 60 ms 109944 KB Output is correct
9 Correct 59 ms 109944 KB Output is correct
10 Correct 62 ms 110072 KB Output is correct
11 Correct 61 ms 109944 KB Output is correct
12 Correct 60 ms 109944 KB Output is correct
13 Correct 62 ms 109944 KB Output is correct
14 Correct 60 ms 109944 KB Output is correct
15 Correct 66 ms 109944 KB Output is correct
16 Correct 61 ms 109944 KB Output is correct
17 Correct 61 ms 109944 KB Output is correct
18 Correct 64 ms 109944 KB Output is correct
19 Correct 59 ms 109944 KB Output is correct
20 Correct 60 ms 109944 KB Output is correct
21 Correct 61 ms 109944 KB Output is correct
22 Correct 60 ms 109944 KB Output is correct
23 Correct 61 ms 109944 KB Output is correct
24 Correct 64 ms 110072 KB Output is correct
25 Correct 59 ms 109944 KB Output is correct
26 Correct 60 ms 109944 KB Output is correct
27 Correct 66 ms 109944 KB Output is correct
28 Correct 59 ms 109944 KB Output is correct
29 Correct 60 ms 109944 KB Output is correct
30 Correct 59 ms 109944 KB Output is correct
31 Correct 62 ms 109944 KB Output is correct
32 Correct 62 ms 109944 KB Output is correct
33 Correct 65 ms 109944 KB Output is correct
34 Correct 64 ms 109944 KB Output is correct
35 Correct 64 ms 110072 KB Output is correct
36 Correct 63 ms 110072 KB Output is correct
37 Correct 62 ms 109944 KB Output is correct
38 Correct 62 ms 109944 KB Output is correct
39 Correct 64 ms 110072 KB Output is correct
40 Correct 63 ms 110072 KB Output is correct
41 Correct 65 ms 110072 KB Output is correct
42 Correct 66 ms 110072 KB Output is correct
43 Correct 62 ms 110048 KB Output is correct
44 Correct 64 ms 109944 KB Output is correct
45 Correct 66 ms 109944 KB Output is correct
46 Correct 151 ms 112632 KB Output is correct
47 Correct 167 ms 112760 KB Output is correct
48 Correct 187 ms 112632 KB Output is correct
49 Correct 195 ms 112736 KB Output is correct
50 Correct 233 ms 112888 KB Output is correct
51 Correct 181 ms 112632 KB Output is correct
52 Correct 123 ms 111356 KB Output is correct
53 Correct 103 ms 110840 KB Output is correct
54 Correct 177 ms 112760 KB Output is correct
55 Correct 208 ms 112632 KB Output is correct
56 Correct 192 ms 112636 KB Output is correct
57 Correct 189 ms 112760 KB Output is correct
58 Correct 188 ms 112632 KB Output is correct
59 Correct 203 ms 112632 KB Output is correct
60 Correct 199 ms 113016 KB Output is correct

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 109944 KB Output is correct
2 Correct 60 ms 110072 KB Output is correct
3 Correct 59 ms 109944 KB Output is correct
4 Correct 60 ms 109944 KB Output is correct
5 Correct 59 ms 109952 KB Output is correct
6 Correct 61 ms 109944 KB Output is correct
7 Correct 66 ms 109944 KB Output is correct
8 Correct 60 ms 109944 KB Output is correct
9 Correct 59 ms 109944 KB Output is correct
10 Correct 62 ms 110072 KB Output is correct
11 Correct 61 ms 109944 KB Output is correct
12 Correct 60 ms 109944 KB Output is correct
13 Correct 62 ms 109944 KB Output is correct
14 Correct 60 ms 109944 KB Output is correct
15 Correct 66 ms 109944 KB Output is correct
16 Correct 61 ms 109944 KB Output is correct
17 Correct 61 ms 109944 KB Output is correct
18 Correct 64 ms 109944 KB Output is correct
19 Correct 59 ms 109944 KB Output is correct
20 Correct 60 ms 109944 KB Output is correct
21 Correct 61 ms 109944 KB Output is correct
22 Correct 60 ms 109944 KB Output is correct
23 Correct 61 ms 109944 KB Output is correct
24 Correct 64 ms 110072 KB Output is correct
25 Correct 59 ms 109944 KB Output is correct
26 Correct 60 ms 109944 KB Output is correct
27 Correct 66 ms 109944 KB Output is correct
28 Correct 59 ms 109944 KB Output is correct
29 Correct 60 ms 109944 KB Output is correct
30 Correct 59 ms 109944 KB Output is correct
31 Correct 62 ms 109944 KB Output is correct
32 Correct 62 ms 109944 KB Output is correct
33 Correct 65 ms 109944 KB Output is correct
34 Correct 64 ms 109944 KB Output is correct
35 Correct 64 ms 110072 KB Output is correct
36 Correct 63 ms 110072 KB Output is correct
37 Correct 62 ms 109944 KB Output is correct
38 Correct 62 ms 109944 KB Output is correct
39 Correct 64 ms 110072 KB Output is correct
40 Correct 63 ms 110072 KB Output is correct
41 Correct 65 ms 110072 KB Output is correct
42 Correct 66 ms 110072 KB Output is correct
43 Correct 62 ms 110048 KB Output is correct
44 Correct 64 ms 109944 KB Output is correct
45 Correct 66 ms 109944 KB Output is correct
46 Correct 151 ms 112632 KB Output is correct
47 Correct 167 ms 112760 KB Output is correct
48 Correct 187 ms 112632 KB Output is correct
49 Correct 195 ms 112736 KB Output is correct
50 Correct 233 ms 112888 KB Output is correct
51 Correct 181 ms 112632 KB Output is correct
52 Correct 123 ms 111356 KB Output is correct
53 Correct 103 ms 110840 KB Output is correct
54 Correct 177 ms 112760 KB Output is correct
55 Correct 208 ms 112632 KB Output is correct
56 Correct 192 ms 112636 KB Output is correct
57 Correct 189 ms 112760 KB Output is correct
58 Correct 188 ms 112632 KB Output is correct
59 Correct 203 ms 112632 KB Output is correct
60 Correct 199 ms 113016 KB Output is correct
61 Correct 484 ms 123640 KB Output is correct
62 Correct 582 ms 123768 KB Output is correct
63 Correct 623 ms 123696 KB Output is correct
64 Runtime error 538 ms 250336 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Halted 0 ms 0 KB -