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답안 #216926

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
216926 2020-03-28T13:02:36 Z keta_tsimakuridze Bigger segments (IZhO19_segments) C++14
100 / 100
 332 ms 20884 KB 
#include<bits/stdc++.h>
using namespace std;
long long sum[500005],a[500005],m,k,n,bef[500005],cursum,dp[500005],l,r,ans;
int main(){
	cin>>n;
	for(k=1;k<=n;k++){
		cin>>a[k];
		sum[k]=sum[k-1]+a[k];
	}
	
	for(k=1;k<=n;k++){
		bef[k]=max(bef[k],bef[k-1]);
		cursum=sum[k]-sum[bef[k]];
		dp[k]=dp[bef[k]]+1;
		
		l=k; r=n; ans=0;
		while(l<=r){
			int mid=(l+r)/2;
			if(sum[mid]-sum[k]>=cursum){
				r=mid-1; ans=mid;
			}
			else l=mid+1;
		}
		bef[ans]=k;
	}
	cout<<dp[n];
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 6 ms 512 KB Output is correct
32 Correct 6 ms 512 KB Output is correct
33 Correct 6 ms 512 KB Output is correct
34 Correct 6 ms 512 KB Output is correct
35 Correct 7 ms 512 KB Output is correct
36 Correct 9 ms 512 KB Output is correct
37 Correct 6 ms 384 KB Output is correct
38 Correct 6 ms 384 KB Output is correct
39 Correct 5 ms 512 KB Output is correct
40 Correct 7 ms 512 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 6 ms 384 KB Output is correct
44 Correct 6 ms 512 KB Output is correct
45 Correct 6 ms 512 KB Output is correct

Subtask #4
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 6 ms 512 KB Output is correct
32 Correct 6 ms 512 KB Output is correct
33 Correct 6 ms 512 KB Output is correct
34 Correct 6 ms 512 KB Output is correct
35 Correct 7 ms 512 KB Output is correct
36 Correct 9 ms 512 KB Output is correct
37 Correct 6 ms 384 KB Output is correct
38 Correct 6 ms 384 KB Output is correct
39 Correct 5 ms 512 KB Output is correct
40 Correct 7 ms 512 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 6 ms 384 KB Output is correct
44 Correct 6 ms 512 KB Output is correct
45 Correct 6 ms 512 KB Output is correct
46 Correct 41 ms 3832 KB Output is correct
47 Correct 51 ms 3960 KB Output is correct
48 Correct 64 ms 4472 KB Output is correct
49 Correct 67 ms 4472 KB Output is correct
50 Correct 69 ms 4472 KB Output is correct
51 Correct 70 ms 4472 KB Output is correct
52 Correct 37 ms 2424 KB Output is correct
53 Correct 24 ms 1536 KB Output is correct
54 Correct 33 ms 3712 KB Output is correct
55 Correct 70 ms 4472 KB Output is correct
56 Correct 43 ms 3960 KB Output is correct
57 Correct 42 ms 3960 KB Output is correct
58 Correct 43 ms 3960 KB Output is correct
59 Correct 49 ms 4088 KB Output is correct
60 Correct 49 ms 4088 KB Output is correct

Subtask #5
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 6 ms 512 KB Output is correct
32 Correct 6 ms 512 KB Output is correct
33 Correct 6 ms 512 KB Output is correct
34 Correct 6 ms 512 KB Output is correct
35 Correct 7 ms 512 KB Output is correct
36 Correct 9 ms 512 KB Output is correct
37 Correct 6 ms 384 KB Output is correct
38 Correct 6 ms 384 KB Output is correct
39 Correct 5 ms 512 KB Output is correct
40 Correct 7 ms 512 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 6 ms 384 KB Output is correct
44 Correct 6 ms 512 KB Output is correct
45 Correct 6 ms 512 KB Output is correct
46 Correct 41 ms 3832 KB Output is correct
47 Correct 51 ms 3960 KB Output is correct
48 Correct 64 ms 4472 KB Output is correct
49 Correct 67 ms 4472 KB Output is correct
50 Correct 69 ms 4472 KB Output is correct
51 Correct 70 ms 4472 KB Output is correct
52 Correct 37 ms 2424 KB Output is correct
53 Correct 24 ms 1536 KB Output is correct
54 Correct 33 ms 3712 KB Output is correct
55 Correct 70 ms 4472 KB Output is correct
56 Correct 43 ms 3960 KB Output is correct
57 Correct 42 ms 3960 KB Output is correct
58 Correct 43 ms 3960 KB Output is correct
59 Correct 49 ms 4088 KB Output is correct
60 Correct 49 ms 4088 KB Output is correct
61 Correct 189 ms 17912 KB Output is correct
62 Correct 194 ms 17912 KB Output is correct
63 Correct 222 ms 18424 KB Output is correct
64 Correct 316 ms 20604 KB Output is correct
65 Correct 327 ms 20856 KB Output is correct
66 Correct 332 ms 20856 KB Output is correct
67 Correct 271 ms 16760 KB Output is correct
68 Correct 137 ms 8572 KB Output is correct
69 Correct 142 ms 16992 KB Output is correct
70 Correct 331 ms 20884 KB Output is correct
71 Correct 183 ms 17912 KB Output is correct
72 Correct 207 ms 18296 KB Output is correct
73 Correct 236 ms 18936 KB Output is correct
74 Correct 251 ms 19320 KB Output is correct
75 Correct 250 ms 19296 KB Output is correct