답안 #172742

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
172742	2020-01-02T13:52:03 Z	LinusTorvaldsFan	Bigger segments (IZhO19_segments)	C++14	27 / 100	1500 ms	21624 KB

segments

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int maxn=100000;

unordered_map<ll,int> dp[maxn];

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	ll sum=0;
	int n;
	cin>>n;
	vector<ll>a(n);
	for(int i=0;i<n;i++)cin>>a[i];
	for(int i=0;i<n;i++){
		sum+=a[i];
		dp[i][sum]=1;	
	}
	for(int i=1;i<n;i++){
		sum=0;
		for(int j=i;j>=1;j--){
			sum+=a[j];
			for(auto t:dp[j-1]){
				if(t.first<=sum){
					dp[i][sum]=max(dp[i][sum],t.second+1);
				}
			}
		}
	}
	int ans=0;
	for(auto t:dp[n-1]){
		ans=max(ans,t.second);
	}
	cout<<ans;
}

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	5752 KB	Output is correct
2	Correct	7 ms	5880 KB	Output is correct
3	Correct	8 ms	5880 KB	Output is correct
4	Correct	8 ms	5880 KB	Output is correct
5	Correct	8 ms	5752 KB	Output is correct
6	Correct	7 ms	5880 KB	Output is correct
7	Correct	7 ms	5880 KB	Output is correct
8	Correct	7 ms	5752 KB	Output is correct
9	Correct	8 ms	5880 KB	Output is correct
10	Correct	9 ms	5752 KB	Output is correct
11	Correct	7 ms	5880 KB	Output is correct
12	Correct	7 ms	5880 KB	Output is correct
13	Correct	7 ms	5956 KB	Output is correct
14	Correct	7 ms	5864 KB	Output is correct
15	Correct	7 ms	5752 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	5752 KB	Output is correct
2	Correct	7 ms	5880 KB	Output is correct
3	Correct	8 ms	5880 KB	Output is correct
4	Correct	8 ms	5880 KB	Output is correct
5	Correct	8 ms	5752 KB	Output is correct
6	Correct	7 ms	5880 KB	Output is correct
7	Correct	7 ms	5880 KB	Output is correct
8	Correct	7 ms	5752 KB	Output is correct
9	Correct	8 ms	5880 KB	Output is correct
10	Correct	9 ms	5752 KB	Output is correct
11	Correct	7 ms	5880 KB	Output is correct
12	Correct	7 ms	5880 KB	Output is correct
13	Correct	7 ms	5956 KB	Output is correct
14	Correct	7 ms	5864 KB	Output is correct
15	Correct	7 ms	5752 KB	Output is correct
16	Correct	8 ms	5880 KB	Output is correct
17	Correct	281 ms	10204 KB	Output is correct
18	Correct	447 ms	11208 KB	Output is correct
19	Correct	303 ms	10216 KB	Output is correct
20	Correct	416 ms	11360 KB	Output is correct
21	Correct	422 ms	10908 KB	Output is correct
22	Correct	222 ms	9080 KB	Output is correct
23	Correct	95 ms	7588 KB	Output is correct
24	Correct	423 ms	10928 KB	Output is correct
25	Correct	439 ms	11128 KB	Output is correct
26	Correct	535 ms	11264 KB	Output is correct
27	Correct	193 ms	9088 KB	Output is correct
28	Correct	461 ms	11276 KB	Output is correct
29	Correct	598 ms	11384 KB	Output is correct
30	Correct	467 ms	11256 KB	Output is correct

Subtask #3
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	5752 KB	Output is correct
2	Correct	7 ms	5880 KB	Output is correct
3	Correct	8 ms	5880 KB	Output is correct
4	Correct	8 ms	5880 KB	Output is correct
5	Correct	8 ms	5752 KB	Output is correct
6	Correct	7 ms	5880 KB	Output is correct
7	Correct	7 ms	5880 KB	Output is correct
8	Correct	7 ms	5752 KB	Output is correct
9	Correct	8 ms	5880 KB	Output is correct
10	Correct	9 ms	5752 KB	Output is correct
11	Correct	7 ms	5880 KB	Output is correct
12	Correct	7 ms	5880 KB	Output is correct
13	Correct	7 ms	5956 KB	Output is correct
14	Correct	7 ms	5864 KB	Output is correct
15	Correct	7 ms	5752 KB	Output is correct
16	Correct	8 ms	5880 KB	Output is correct
17	Correct	281 ms	10204 KB	Output is correct
18	Correct	447 ms	11208 KB	Output is correct
19	Correct	303 ms	10216 KB	Output is correct
20	Correct	416 ms	11360 KB	Output is correct
21	Correct	422 ms	10908 KB	Output is correct
22	Correct	222 ms	9080 KB	Output is correct
23	Correct	95 ms	7588 KB	Output is correct
24	Correct	423 ms	10928 KB	Output is correct
25	Correct	439 ms	11128 KB	Output is correct
26	Correct	535 ms	11264 KB	Output is correct
27	Correct	193 ms	9088 KB	Output is correct
28	Correct	461 ms	11276 KB	Output is correct
29	Correct	598 ms	11384 KB	Output is correct
30	Correct	467 ms	11256 KB	Output is correct
31	Correct	24 ms	6108 KB	Output is correct
32	Execution timed out	1571 ms	21624 KB	Time limit exceeded
33	Halted	0 ms	0 KB	-

Subtask #4
0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	5752 KB	Output is correct
2	Correct	7 ms	5880 KB	Output is correct
3	Correct	8 ms	5880 KB	Output is correct
4	Correct	8 ms	5880 KB	Output is correct
5	Correct	8 ms	5752 KB	Output is correct
6	Correct	7 ms	5880 KB	Output is correct
7	Correct	7 ms	5880 KB	Output is correct
8	Correct	7 ms	5752 KB	Output is correct
9	Correct	8 ms	5880 KB	Output is correct
10	Correct	9 ms	5752 KB	Output is correct
11	Correct	7 ms	5880 KB	Output is correct
12	Correct	7 ms	5880 KB	Output is correct
13	Correct	7 ms	5956 KB	Output is correct
14	Correct	7 ms	5864 KB	Output is correct
15	Correct	7 ms	5752 KB	Output is correct
16	Correct	8 ms	5880 KB	Output is correct
17	Correct	281 ms	10204 KB	Output is correct
18	Correct	447 ms	11208 KB	Output is correct
19	Correct	303 ms	10216 KB	Output is correct
20	Correct	416 ms	11360 KB	Output is correct
21	Correct	422 ms	10908 KB	Output is correct
22	Correct	222 ms	9080 KB	Output is correct
23	Correct	95 ms	7588 KB	Output is correct
24	Correct	423 ms	10928 KB	Output is correct
25	Correct	439 ms	11128 KB	Output is correct
26	Correct	535 ms	11264 KB	Output is correct
27	Correct	193 ms	9088 KB	Output is correct
28	Correct	461 ms	11276 KB	Output is correct
29	Correct	598 ms	11384 KB	Output is correct
30	Correct	467 ms	11256 KB	Output is correct
31	Correct	24 ms	6108 KB	Output is correct
32	Execution timed out	1571 ms	21624 KB	Time limit exceeded
33	Halted	0 ms	0 KB	-

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	5752 KB	Output is correct
2	Correct	7 ms	5880 KB	Output is correct
3	Correct	8 ms	5880 KB	Output is correct
4	Correct	8 ms	5880 KB	Output is correct
5	Correct	8 ms	5752 KB	Output is correct
6	Correct	7 ms	5880 KB	Output is correct
7	Correct	7 ms	5880 KB	Output is correct
8	Correct	7 ms	5752 KB	Output is correct
9	Correct	8 ms	5880 KB	Output is correct
10	Correct	9 ms	5752 KB	Output is correct
11	Correct	7 ms	5880 KB	Output is correct
12	Correct	7 ms	5880 KB	Output is correct
13	Correct	7 ms	5956 KB	Output is correct
14	Correct	7 ms	5864 KB	Output is correct
15	Correct	7 ms	5752 KB	Output is correct
16	Correct	8 ms	5880 KB	Output is correct
17	Correct	281 ms	10204 KB	Output is correct
18	Correct	447 ms	11208 KB	Output is correct
19	Correct	303 ms	10216 KB	Output is correct
20	Correct	416 ms	11360 KB	Output is correct
21	Correct	422 ms	10908 KB	Output is correct
22	Correct	222 ms	9080 KB	Output is correct
23	Correct	95 ms	7588 KB	Output is correct
24	Correct	423 ms	10928 KB	Output is correct
25	Correct	439 ms	11128 KB	Output is correct
26	Correct	535 ms	11264 KB	Output is correct
27	Correct	193 ms	9088 KB	Output is correct
28	Correct	461 ms	11276 KB	Output is correct
29	Correct	598 ms	11384 KB	Output is correct
30	Correct	467 ms	11256 KB	Output is correct
31	Correct	24 ms	6108 KB	Output is correct
32	Execution timed out	1571 ms	21624 KB	Time limit exceeded
33	Halted	0 ms	0 KB	-

답안 #172742

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 14.0 / 14.0

Subtask #3 0 / 10.0

Subtask #4 0 / 36.0

Subtask #5 0 / 27.0

Subtask #1
13.0 / 13.0

Subtask #2
14.0 / 14.0

Subtask #3
0 / 10.0

Subtask #4
0 / 36.0

Subtask #5
0 / 27.0