답안 #336449

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
336449	2020-12-15T10:49:28 Z	tengiz05	Bigger segments (IZhO19_segments)	C++17	100 / 100	103 ms	20956 KB

segments

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define FASTIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define pii pair<int, int>
#define ff first
#define ss second
#define PI acos(-1)
#define ld long double
const int mod = 1e9+7, N = 5e5+5, inf = 1e18;
int msb(int val){return sizeof(int)*8-__builtin_clzll(val);}
int a[N], n, m, k;
int pr[N];
int dp[N];
void solve(int test_case){
	int i, j;
	cin >> n;
	for(i=1;i<=n;i++){
		cin >> a[i];
		pr[i]=a[i];pr[i]+=pr[i-1];
	}
	priority_queue<pii, vector<pii>, greater<pii>> q;
	q.push({0,0});
	int tmp=0;
	for(i=1;i<=n;i++){
		while(!q.empty() && q.top().ff <= pr[i]){
			if(dp[q.top().ss] > dp[tmp]){
				tmp = q.top().ss;
			}else if(dp[q.top().ss] == dp[tmp]){
				tmp = max(tmp, q.top().ss);
			}q.pop();
		}q.push({pr[i]*2-pr[tmp], i});
		dp[i] = dp[tmp]+1;
	}cout << dp[n] << '\n';
	return;
}

signed main(){
	FASTIO;
#define MULTITEST 0
#if MULTITEST
	int ___T;
	cin >> ___T;
	for(int T_CASE = 1; T_CASE <= ___T; T_CASE++)
		solve(T_CASE);
#else
	solve(1);
#endif
	return 0;
}

Compilation message

segments.cpp: In function 'void solve(long long int)':
segments.cpp:18:9: warning: unused variable 'j' [-Wunused-variable]
   18 |  int i, j;
      |         ^

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	492 KB	Output is correct
32	Correct	2 ms	492 KB	Output is correct
33	Correct	1 ms	492 KB	Output is correct
34	Correct	1 ms	492 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	492 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	492 KB	Output is correct
40	Correct	1 ms	492 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	492 KB	Output is correct
43	Correct	1 ms	492 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	492 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	492 KB	Output is correct
32	Correct	2 ms	492 KB	Output is correct
33	Correct	1 ms	492 KB	Output is correct
34	Correct	1 ms	492 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	492 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	492 KB	Output is correct
40	Correct	1 ms	492 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	492 KB	Output is correct
43	Correct	1 ms	492 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	492 KB	Output is correct
46	Correct	12 ms	4968 KB	Output is correct
47	Correct	19 ms	3440 KB	Output is correct
48	Correct	18 ms	3692 KB	Output is correct
49	Correct	15 ms	3952 KB	Output is correct
50	Correct	14 ms	3564 KB	Output is correct
51	Correct	21 ms	3692 KB	Output is correct
52	Correct	11 ms	2028 KB	Output is correct
53	Correct	6 ms	1388 KB	Output is correct
54	Correct	16 ms	2924 KB	Output is correct
55	Correct	20 ms	3692 KB	Output is correct
56	Correct	11 ms	3180 KB	Output is correct
57	Correct	15 ms	4204 KB	Output is correct
58	Correct	14 ms	3692 KB	Output is correct
59	Correct	11 ms	3308 KB	Output is correct
60	Correct	14 ms	3308 KB	Output is correct

Subtask #5
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	0 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	0 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	492 KB	Output is correct
32	Correct	2 ms	492 KB	Output is correct
33	Correct	1 ms	492 KB	Output is correct
34	Correct	1 ms	492 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	492 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	492 KB	Output is correct
40	Correct	1 ms	492 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	492 KB	Output is correct
43	Correct	1 ms	492 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	492 KB	Output is correct
46	Correct	12 ms	4968 KB	Output is correct
47	Correct	19 ms	3440 KB	Output is correct
48	Correct	18 ms	3692 KB	Output is correct
49	Correct	15 ms	3952 KB	Output is correct
50	Correct	14 ms	3564 KB	Output is correct
51	Correct	21 ms	3692 KB	Output is correct
52	Correct	11 ms	2028 KB	Output is correct
53	Correct	6 ms	1388 KB	Output is correct
54	Correct	16 ms	2924 KB	Output is correct
55	Correct	20 ms	3692 KB	Output is correct
56	Correct	11 ms	3180 KB	Output is correct
57	Correct	15 ms	4204 KB	Output is correct
58	Correct	14 ms	3692 KB	Output is correct
59	Correct	11 ms	3308 KB	Output is correct
60	Correct	14 ms	3308 KB	Output is correct
61	Correct	56 ms	20956 KB	Output is correct
62	Correct	74 ms	17080 KB	Output is correct
63	Correct	100 ms	14564 KB	Output is correct
64	Correct	78 ms	12908 KB	Output is correct
65	Correct	66 ms	12908 KB	Output is correct
66	Correct	103 ms	12908 KB	Output is correct
67	Correct	83 ms	10620 KB	Output is correct
68	Correct	41 ms	5996 KB	Output is correct
69	Correct	83 ms	13036 KB	Output is correct
70	Correct	100 ms	12908 KB	Output is correct
71	Correct	47 ms	12908 KB	Output is correct
72	Correct	71 ms	16284 KB	Output is correct
73	Correct	61 ms	14180 KB	Output is correct
74	Correct	58 ms	12928 KB	Output is correct
75	Correct	61 ms	12908 KB	Output is correct

답안 #336449

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 10.0 / 10.0

Subtask #4 36.0 / 36.0

Subtask #5 27.0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
10.0 / 10.0

Subtask #4
36.0 / 36.0

Subtask #5
27.0 / 27.0