oj.uz

Submission #231365

# Submission time Handle Problem Language Result Execution time Memory
231365 2020-05-13T12:39:26 Z maskoff Bigger segments (IZhO19_segments) C++14
73 / 100
 858 ms 262144 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 = 3e6 + 5;

vector<pll> t(2 * N); 
int L[2 * N], R[2 * 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 51 ms 94328 KB Output is correct
2 Correct 51 ms 94328 KB Output is correct
3 Correct 51 ms 94332 KB Output is correct
4 Correct 52 ms 94272 KB Output is correct
5 Correct 51 ms 94328 KB Output is correct
6 Correct 50 ms 94328 KB Output is correct
7 Correct 51 ms 94328 KB Output is correct
8 Correct 50 ms 94328 KB Output is correct
9 Correct 51 ms 94328 KB Output is correct
10 Correct 51 ms 94328 KB Output is correct
11 Correct 50 ms 94328 KB Output is correct
12 Correct 49 ms 94328 KB Output is correct
13 Correct 51 ms 94328 KB Output is correct
14 Correct 51 ms 94328 KB Output is correct
15 Correct 51 ms 94328 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 94328 KB Output is correct
2 Correct 51 ms 94328 KB Output is correct
3 Correct 51 ms 94332 KB Output is correct
4 Correct 52 ms 94272 KB Output is correct
5 Correct 51 ms 94328 KB Output is correct
6 Correct 50 ms 94328 KB Output is correct
7 Correct 51 ms 94328 KB Output is correct
8 Correct 50 ms 94328 KB Output is correct
9 Correct 51 ms 94328 KB Output is correct
10 Correct 51 ms 94328 KB Output is correct
11 Correct 50 ms 94328 KB Output is correct
12 Correct 49 ms 94328 KB Output is correct
13 Correct 51 ms 94328 KB Output is correct
14 Correct 51 ms 94328 KB Output is correct
15 Correct 51 ms 94328 KB Output is correct
16 Correct 51 ms 94460 KB Output is correct
17 Correct 54 ms 94328 KB Output is correct
18 Correct 51 ms 94456 KB Output is correct
19 Correct 52 ms 94456 KB Output is correct
20 Correct 52 ms 94456 KB Output is correct
21 Correct 51 ms 94464 KB Output is correct
22 Correct 52 ms 94456 KB Output is correct
23 Correct 50 ms 94328 KB Output is correct
24 Correct 52 ms 94332 KB Output is correct
25 Correct 52 ms 94456 KB Output is correct
26 Correct 51 ms 94328 KB Output is correct
27 Correct 54 ms 94328 KB Output is correct
28 Correct 51 ms 94328 KB Output is correct
29 Correct 51 ms 94332 KB Output is correct
30 Correct 53 ms 94328 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 94328 KB Output is correct
2 Correct 51 ms 94328 KB Output is correct
3 Correct 51 ms 94332 KB Output is correct
4 Correct 52 ms 94272 KB Output is correct
5 Correct 51 ms 94328 KB Output is correct
6 Correct 50 ms 94328 KB Output is correct
7 Correct 51 ms 94328 KB Output is correct
8 Correct 50 ms 94328 KB Output is correct
9 Correct 51 ms 94328 KB Output is correct
10 Correct 51 ms 94328 KB Output is correct
11 Correct 50 ms 94328 KB Output is correct
12 Correct 49 ms 94328 KB Output is correct
13 Correct 51 ms 94328 KB Output is correct
14 Correct 51 ms 94328 KB Output is correct
15 Correct 51 ms 94328 KB Output is correct
16 Correct 51 ms 94460 KB Output is correct
17 Correct 54 ms 94328 KB Output is correct
18 Correct 51 ms 94456 KB Output is correct
19 Correct 52 ms 94456 KB Output is correct
20 Correct 52 ms 94456 KB Output is correct
21 Correct 51 ms 94464 KB Output is correct
22 Correct 52 ms 94456 KB Output is correct
23 Correct 50 ms 94328 KB Output is correct
24 Correct 52 ms 94332 KB Output is correct
25 Correct 52 ms 94456 KB Output is correct
26 Correct 51 ms 94328 KB Output is correct
27 Correct 54 ms 94328 KB Output is correct
28 Correct 51 ms 94328 KB Output is correct
29 Correct 51 ms 94332 KB Output is correct
30 Correct 53 ms 94328 KB Output is correct
31 Correct 53 ms 94840 KB Output is correct
32 Correct 55 ms 94924 KB Output is correct
33 Correct 55 ms 94968 KB Output is correct
34 Correct 57 ms 94968 KB Output is correct
35 Correct 56 ms 95096 KB Output is correct
36 Correct 56 ms 95096 KB Output is correct
37 Correct 54 ms 94968 KB Output is correct
38 Correct 52 ms 94840 KB Output is correct
39 Correct 54 ms 94456 KB Output is correct
40 Correct 55 ms 95088 KB Output is correct
41 Correct 53 ms 94456 KB Output is correct
42 Correct 53 ms 94584 KB Output is correct
43 Correct 54 ms 94456 KB Output is correct
44 Correct 55 ms 94712 KB Output is correct
45 Correct 55 ms 94712 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 94328 KB Output is correct
2 Correct 51 ms 94328 KB Output is correct
3 Correct 51 ms 94332 KB Output is correct
4 Correct 52 ms 94272 KB Output is correct
5 Correct 51 ms 94328 KB Output is correct
6 Correct 50 ms 94328 KB Output is correct
7 Correct 51 ms 94328 KB Output is correct
8 Correct 50 ms 94328 KB Output is correct
9 Correct 51 ms 94328 KB Output is correct
10 Correct 51 ms 94328 KB Output is correct
11 Correct 50 ms 94328 KB Output is correct
12 Correct 49 ms 94328 KB Output is correct
13 Correct 51 ms 94328 KB Output is correct
14 Correct 51 ms 94328 KB Output is correct
15 Correct 51 ms 94328 KB Output is correct
16 Correct 51 ms 94460 KB Output is correct
17 Correct 54 ms 94328 KB Output is correct
18 Correct 51 ms 94456 KB Output is correct
19 Correct 52 ms 94456 KB Output is correct
20 Correct 52 ms 94456 KB Output is correct
21 Correct 51 ms 94464 KB Output is correct
22 Correct 52 ms 94456 KB Output is correct
23 Correct 50 ms 94328 KB Output is correct
24 Correct 52 ms 94332 KB Output is correct
25 Correct 52 ms 94456 KB Output is correct
26 Correct 51 ms 94328 KB Output is correct
27 Correct 54 ms 94328 KB Output is correct
28 Correct 51 ms 94328 KB Output is correct
29 Correct 51 ms 94332 KB Output is correct
30 Correct 53 ms 94328 KB Output is correct
31 Correct 53 ms 94840 KB Output is correct
32 Correct 55 ms 94924 KB Output is correct
33 Correct 55 ms 94968 KB Output is correct
34 Correct 57 ms 94968 KB Output is correct
35 Correct 56 ms 95096 KB Output is correct
36 Correct 56 ms 95096 KB Output is correct
37 Correct 54 ms 94968 KB Output is correct
38 Correct 52 ms 94840 KB Output is correct
39 Correct 54 ms 94456 KB Output is correct
40 Correct 55 ms 95088 KB Output is correct
41 Correct 53 ms 94456 KB Output is correct
42 Correct 53 ms 94584 KB Output is correct
43 Correct 54 ms 94456 KB Output is correct
44 Correct 55 ms 94712 KB Output is correct
45 Correct 55 ms 94712 KB Output is correct
46 Correct 155 ms 106080 KB Output is correct
47 Correct 187 ms 107208 KB Output is correct
48 Correct 209 ms 117624 KB Output is correct
49 Correct 229 ms 119160 KB Output is correct
50 Correct 241 ms 121524 KB Output is correct
51 Correct 205 ms 121080 KB Output is correct
52 Correct 136 ms 107768 KB Output is correct
53 Correct 94 ms 102264 KB Output is correct
54 Correct 182 ms 100344 KB Output is correct
55 Correct 227 ms 120312 KB Output is correct
56 Correct 210 ms 107640 KB Output is correct
57 Correct 191 ms 105848 KB Output is correct
58 Correct 199 ms 106744 KB Output is correct
59 Correct 215 ms 110840 KB Output is correct
60 Correct 206 ms 110840 KB Output is correct

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 94328 KB Output is correct
2 Correct 51 ms 94328 KB Output is correct
3 Correct 51 ms 94332 KB Output is correct
4 Correct 52 ms 94272 KB Output is correct
5 Correct 51 ms 94328 KB Output is correct
6 Correct 50 ms 94328 KB Output is correct
7 Correct 51 ms 94328 KB Output is correct
8 Correct 50 ms 94328 KB Output is correct
9 Correct 51 ms 94328 KB Output is correct
10 Correct 51 ms 94328 KB Output is correct
11 Correct 50 ms 94328 KB Output is correct
12 Correct 49 ms 94328 KB Output is correct
13 Correct 51 ms 94328 KB Output is correct
14 Correct 51 ms 94328 KB Output is correct
15 Correct 51 ms 94328 KB Output is correct
16 Correct 51 ms 94460 KB Output is correct
17 Correct 54 ms 94328 KB Output is correct
18 Correct 51 ms 94456 KB Output is correct
19 Correct 52 ms 94456 KB Output is correct
20 Correct 52 ms 94456 KB Output is correct
21 Correct 51 ms 94464 KB Output is correct
22 Correct 52 ms 94456 KB Output is correct
23 Correct 50 ms 94328 KB Output is correct
24 Correct 52 ms 94332 KB Output is correct
25 Correct 52 ms 94456 KB Output is correct
26 Correct 51 ms 94328 KB Output is correct
27 Correct 54 ms 94328 KB Output is correct
28 Correct 51 ms 94328 KB Output is correct
29 Correct 51 ms 94332 KB Output is correct
30 Correct 53 ms 94328 KB Output is correct
31 Correct 53 ms 94840 KB Output is correct
32 Correct 55 ms 94924 KB Output is correct
33 Correct 55 ms 94968 KB Output is correct
34 Correct 57 ms 94968 KB Output is correct
35 Correct 56 ms 95096 KB Output is correct
36 Correct 56 ms 95096 KB Output is correct
37 Correct 54 ms 94968 KB Output is correct
38 Correct 52 ms 94840 KB Output is correct
39 Correct 54 ms 94456 KB Output is correct
40 Correct 55 ms 95088 KB Output is correct
41 Correct 53 ms 94456 KB Output is correct
42 Correct 53 ms 94584 KB Output is correct
43 Correct 54 ms 94456 KB Output is correct
44 Correct 55 ms 94712 KB Output is correct
45 Correct 55 ms 94712 KB Output is correct
46 Correct 155 ms 106080 KB Output is correct
47 Correct 187 ms 107208 KB Output is correct
48 Correct 209 ms 117624 KB Output is correct
49 Correct 229 ms 119160 KB Output is correct
50 Correct 241 ms 121524 KB Output is correct
51 Correct 205 ms 121080 KB Output is correct
52 Correct 136 ms 107768 KB Output is correct
53 Correct 94 ms 102264 KB Output is correct
54 Correct 182 ms 100344 KB Output is correct
55 Correct 227 ms 120312 KB Output is correct
56 Correct 210 ms 107640 KB Output is correct
57 Correct 191 ms 105848 KB Output is correct
58 Correct 199 ms 106744 KB Output is correct
59 Correct 215 ms 110840 KB Output is correct
60 Correct 206 ms 110840 KB Output is correct
61 Correct 598 ms 149624 KB Output is correct
62 Correct 623 ms 148216 KB Output is correct
63 Runtime error 858 ms 262144 KB Execution killed with signal 11 (could be triggered by violating memory limits)
64 Halted 0 ms 0 KB -