Submission #333177

# Submission time Handle Problem Language Result Execution time Memory
333177 2020-12-04T21:26:26 Z emaborevkovic Bigger segments (IZhO19_segments) C++17
73 / 100
679 ms 99692 KB
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
#define pb push_back
#define mp make_pair
#define ff first
#define ss second

const int N = 5*1e5+11;
int n, off = 1;
ll a[N], b[N], z[N], ak[N];
ll t[4*N], lazy[4*N];

void clear (int x) {
	t[x] += lazy[x];
	if (x < off) {
		lazy[x*2] += lazy[x];
		lazy[x*2+1] += lazy[x];
	}
	lazy[x] = 0;
}

ll update(int cf, int ct, int lf, int lt, ll c, int node) {
	clear(node);
	if (cf > lt || ct < lf) return t[node];
	if (cf >= lf && ct <= lt) {
		lazy[node] += c;
		clear(node);
		return t[node];
	}
	int mid = (cf+ct)/2;
	update(cf, mid, lf, lt, c, node*2);
	update(mid+1, ct, lf, lt, c, node*2+1);
	return t[node] = max(t[node*2], t[node*2+1]);
}

int upit(int cf, int ct, int node) {
	clear(node); clear(node*2); clear(node*2+1);
	int mid = (cf+ct)/2;
	if (cf == ct) return cf;
	if (t[node*2+1] >= 0) return upit(mid+1, ct, node*2+1);
	return upit(cf, mid, node*2);
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin >> n;
	while (off < n+1) off *= 2;
	for (int i=0;i<n;i++) {
		cin >> a[i];
		ak[i] = a[i];
		if (i > 0) ak[i] += ak[i-1];
	}
	memset(t, -1, sizeof t);
	b[0] = a[0]; z[0] = -1;
	update(0, off-1, 0, 0, a[0]+1, 1);
	for (int i=1;i<n;i++) {
		update(0, off-1, i, i, -b[i-1]+1, 1);
		update(0, off-1, 0, i, a[i], 1);
		int pos = upit(0, off-1, 1);
		z[i] = pos-1;
		b[i] = ak[i];
		if (pos > 0) b[i] -= ak[pos-1];
	}
	int br = 0;
	int x = n-1;
	while (x >= 0) {
		br++;
		x = z[x];
	}
	cout << br;
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 9 ms 15980 KB Output is correct
2 Correct 9 ms 15980 KB Output is correct
3 Correct 9 ms 15980 KB Output is correct
4 Correct 9 ms 15980 KB Output is correct
5 Correct 9 ms 15980 KB Output is correct
6 Correct 9 ms 15980 KB Output is correct
7 Correct 9 ms 15980 KB Output is correct
8 Correct 9 ms 15980 KB Output is correct
9 Correct 9 ms 16108 KB Output is correct
10 Correct 9 ms 15980 KB Output is correct
11 Correct 9 ms 15980 KB Output is correct
12 Correct 9 ms 15980 KB Output is correct
13 Correct 9 ms 15980 KB Output is correct
14 Correct 9 ms 15980 KB Output is correct
15 Correct 9 ms 15980 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 15980 KB Output is correct
2 Correct 9 ms 15980 KB Output is correct
3 Correct 9 ms 15980 KB Output is correct
4 Correct 9 ms 15980 KB Output is correct
5 Correct 9 ms 15980 KB Output is correct
6 Correct 9 ms 15980 KB Output is correct
7 Correct 9 ms 15980 KB Output is correct
8 Correct 9 ms 15980 KB Output is correct
9 Correct 9 ms 16108 KB Output is correct
10 Correct 9 ms 15980 KB Output is correct
11 Correct 9 ms 15980 KB Output is correct
12 Correct 9 ms 15980 KB Output is correct
13 Correct 9 ms 15980 KB Output is correct
14 Correct 9 ms 15980 KB Output is correct
15 Correct 9 ms 15980 KB Output is correct
16 Correct 9 ms 16108 KB Output is correct
17 Correct 9 ms 16108 KB Output is correct
18 Correct 9 ms 16108 KB Output is correct
19 Correct 9 ms 16108 KB Output is correct
20 Correct 10 ms 16256 KB Output is correct
21 Correct 9 ms 16108 KB Output is correct
22 Correct 8 ms 16108 KB Output is correct
23 Correct 8 ms 16108 KB Output is correct
24 Correct 9 ms 16108 KB Output is correct
25 Correct 9 ms 16108 KB Output is correct
26 Correct 8 ms 16108 KB Output is correct
27 Correct 9 ms 16108 KB Output is correct
28 Correct 9 ms 16128 KB Output is correct
29 Correct 8 ms 16108 KB Output is correct
30 Correct 9 ms 16108 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 15980 KB Output is correct
2 Correct 9 ms 15980 KB Output is correct
3 Correct 9 ms 15980 KB Output is correct
4 Correct 9 ms 15980 KB Output is correct
5 Correct 9 ms 15980 KB Output is correct
6 Correct 9 ms 15980 KB Output is correct
7 Correct 9 ms 15980 KB Output is correct
8 Correct 9 ms 15980 KB Output is correct
9 Correct 9 ms 16108 KB Output is correct
10 Correct 9 ms 15980 KB Output is correct
11 Correct 9 ms 15980 KB Output is correct
12 Correct 9 ms 15980 KB Output is correct
13 Correct 9 ms 15980 KB Output is correct
14 Correct 9 ms 15980 KB Output is correct
15 Correct 9 ms 15980 KB Output is correct
16 Correct 9 ms 16108 KB Output is correct
17 Correct 9 ms 16108 KB Output is correct
18 Correct 9 ms 16108 KB Output is correct
19 Correct 9 ms 16108 KB Output is correct
20 Correct 10 ms 16256 KB Output is correct
21 Correct 9 ms 16108 KB Output is correct
22 Correct 8 ms 16108 KB Output is correct
23 Correct 8 ms 16108 KB Output is correct
24 Correct 9 ms 16108 KB Output is correct
25 Correct 9 ms 16108 KB Output is correct
26 Correct 8 ms 16108 KB Output is correct
27 Correct 9 ms 16108 KB Output is correct
28 Correct 9 ms 16128 KB Output is correct
29 Correct 8 ms 16108 KB Output is correct
30 Correct 9 ms 16108 KB Output is correct
31 Correct 11 ms 16236 KB Output is correct
32 Correct 10 ms 16236 KB Output is correct
33 Correct 13 ms 16236 KB Output is correct
34 Correct 10 ms 16236 KB Output is correct
35 Correct 13 ms 16236 KB Output is correct
36 Correct 12 ms 16236 KB Output is correct
37 Correct 13 ms 16240 KB Output is correct
38 Correct 11 ms 16236 KB Output is correct
39 Correct 13 ms 16236 KB Output is correct
40 Correct 13 ms 16240 KB Output is correct
41 Correct 11 ms 16236 KB Output is correct
42 Correct 13 ms 16236 KB Output is correct
43 Correct 10 ms 16236 KB Output is correct
44 Correct 12 ms 16236 KB Output is correct
45 Correct 12 ms 16236 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 15980 KB Output is correct
2 Correct 9 ms 15980 KB Output is correct
3 Correct 9 ms 15980 KB Output is correct
4 Correct 9 ms 15980 KB Output is correct
5 Correct 9 ms 15980 KB Output is correct
6 Correct 9 ms 15980 KB Output is correct
7 Correct 9 ms 15980 KB Output is correct
8 Correct 9 ms 15980 KB Output is correct
9 Correct 9 ms 16108 KB Output is correct
10 Correct 9 ms 15980 KB Output is correct
11 Correct 9 ms 15980 KB Output is correct
12 Correct 9 ms 15980 KB Output is correct
13 Correct 9 ms 15980 KB Output is correct
14 Correct 9 ms 15980 KB Output is correct
15 Correct 9 ms 15980 KB Output is correct
16 Correct 9 ms 16108 KB Output is correct
17 Correct 9 ms 16108 KB Output is correct
18 Correct 9 ms 16108 KB Output is correct
19 Correct 9 ms 16108 KB Output is correct
20 Correct 10 ms 16256 KB Output is correct
21 Correct 9 ms 16108 KB Output is correct
22 Correct 8 ms 16108 KB Output is correct
23 Correct 8 ms 16108 KB Output is correct
24 Correct 9 ms 16108 KB Output is correct
25 Correct 9 ms 16108 KB Output is correct
26 Correct 8 ms 16108 KB Output is correct
27 Correct 9 ms 16108 KB Output is correct
28 Correct 9 ms 16128 KB Output is correct
29 Correct 8 ms 16108 KB Output is correct
30 Correct 9 ms 16108 KB Output is correct
31 Correct 11 ms 16236 KB Output is correct
32 Correct 10 ms 16236 KB Output is correct
33 Correct 13 ms 16236 KB Output is correct
34 Correct 10 ms 16236 KB Output is correct
35 Correct 13 ms 16236 KB Output is correct
36 Correct 12 ms 16236 KB Output is correct
37 Correct 13 ms 16240 KB Output is correct
38 Correct 11 ms 16236 KB Output is correct
39 Correct 13 ms 16236 KB Output is correct
40 Correct 13 ms 16240 KB Output is correct
41 Correct 11 ms 16236 KB Output is correct
42 Correct 13 ms 16236 KB Output is correct
43 Correct 10 ms 16236 KB Output is correct
44 Correct 12 ms 16236 KB Output is correct
45 Correct 12 ms 16236 KB Output is correct
46 Correct 123 ms 21156 KB Output is correct
47 Correct 114 ms 22252 KB Output is correct
48 Correct 131 ms 23148 KB Output is correct
49 Correct 118 ms 23148 KB Output is correct
50 Correct 120 ms 23276 KB Output is correct
51 Correct 123 ms 23276 KB Output is correct
52 Correct 61 ms 19692 KB Output is correct
53 Correct 39 ms 18156 KB Output is correct
54 Correct 114 ms 22508 KB Output is correct
55 Correct 119 ms 23276 KB Output is correct
56 Correct 117 ms 22764 KB Output is correct
57 Correct 115 ms 22124 KB Output is correct
58 Correct 115 ms 22440 KB Output is correct
59 Correct 117 ms 23020 KB Output is correct
60 Correct 122 ms 22892 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 15980 KB Output is correct
2 Correct 9 ms 15980 KB Output is correct
3 Correct 9 ms 15980 KB Output is correct
4 Correct 9 ms 15980 KB Output is correct
5 Correct 9 ms 15980 KB Output is correct
6 Correct 9 ms 15980 KB Output is correct
7 Correct 9 ms 15980 KB Output is correct
8 Correct 9 ms 15980 KB Output is correct
9 Correct 9 ms 16108 KB Output is correct
10 Correct 9 ms 15980 KB Output is correct
11 Correct 9 ms 15980 KB Output is correct
12 Correct 9 ms 15980 KB Output is correct
13 Correct 9 ms 15980 KB Output is correct
14 Correct 9 ms 15980 KB Output is correct
15 Correct 9 ms 15980 KB Output is correct
16 Correct 9 ms 16108 KB Output is correct
17 Correct 9 ms 16108 KB Output is correct
18 Correct 9 ms 16108 KB Output is correct
19 Correct 9 ms 16108 KB Output is correct
20 Correct 10 ms 16256 KB Output is correct
21 Correct 9 ms 16108 KB Output is correct
22 Correct 8 ms 16108 KB Output is correct
23 Correct 8 ms 16108 KB Output is correct
24 Correct 9 ms 16108 KB Output is correct
25 Correct 9 ms 16108 KB Output is correct
26 Correct 8 ms 16108 KB Output is correct
27 Correct 9 ms 16108 KB Output is correct
28 Correct 9 ms 16128 KB Output is correct
29 Correct 8 ms 16108 KB Output is correct
30 Correct 9 ms 16108 KB Output is correct
31 Correct 11 ms 16236 KB Output is correct
32 Correct 10 ms 16236 KB Output is correct
33 Correct 13 ms 16236 KB Output is correct
34 Correct 10 ms 16236 KB Output is correct
35 Correct 13 ms 16236 KB Output is correct
36 Correct 12 ms 16236 KB Output is correct
37 Correct 13 ms 16240 KB Output is correct
38 Correct 11 ms 16236 KB Output is correct
39 Correct 13 ms 16236 KB Output is correct
40 Correct 13 ms 16240 KB Output is correct
41 Correct 11 ms 16236 KB Output is correct
42 Correct 13 ms 16236 KB Output is correct
43 Correct 10 ms 16236 KB Output is correct
44 Correct 12 ms 16236 KB Output is correct
45 Correct 12 ms 16236 KB Output is correct
46 Correct 123 ms 21156 KB Output is correct
47 Correct 114 ms 22252 KB Output is correct
48 Correct 131 ms 23148 KB Output is correct
49 Correct 118 ms 23148 KB Output is correct
50 Correct 120 ms 23276 KB Output is correct
51 Correct 123 ms 23276 KB Output is correct
52 Correct 61 ms 19692 KB Output is correct
53 Correct 39 ms 18156 KB Output is correct
54 Correct 114 ms 22508 KB Output is correct
55 Correct 119 ms 23276 KB Output is correct
56 Correct 117 ms 22764 KB Output is correct
57 Correct 115 ms 22124 KB Output is correct
58 Correct 115 ms 22440 KB Output is correct
59 Correct 117 ms 23020 KB Output is correct
60 Correct 122 ms 22892 KB Output is correct
61 Correct 596 ms 41580 KB Output is correct
62 Correct 595 ms 42624 KB Output is correct
63 Correct 597 ms 46316 KB Output is correct
64 Runtime error 679 ms 99692 KB Execution killed with signal 11 (could be triggered by violating memory limits)
65 Halted 0 ms 0 KB -