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답안 #217052

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
217052 2020-03-28T18:55:06 Z lukameladze Bigger segments (IZhO19_segments) C++14
100 / 100
 326 ms 20860 KB 
# include <bits/stdc++.h>
using namespace std;
long long n,a[500005],le,ri,mid,sum[500005],s1,ans;
pair <long long , long long> dp[500005];
int main()
{
     cin>>n;
     for (long long i=1; i<=n; i++)
     {
          cin>>a[i];
          sum[i]=sum[i-1]+a[i];
     }
     for (long long i=1; i<=n; i++)
     {
          dp[i].second=max(dp[i].second,dp[i-1].second);
          s1=sum[i]-sum[dp[i].second];
          dp[i].first=dp[dp[i].second].first+1;
          le=i+1;
          ri=n;
          ans=0;
          while (le<=ri)
          {
               mid=(le+ri)/2;
               if (sum[mid]-sum[i]>=s1)
               {
                    ri=mid-1;
                    ans=mid;
               }
               else le=mid+1;
          }
          dp[ans].second=i;
     }
     cout<<dp[n].first<<endl;
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 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 5 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 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 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 4 ms 384 KB Output is correct
2 Correct 5 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 5 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 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 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 6 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 4 ms 384 KB Output is correct
2 Correct 5 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 5 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 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 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 6 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 384 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 6 ms 512 KB Output is correct
36 Correct 7 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 6 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 512 KB Output is correct
44 Correct 6 ms 384 KB Output is correct
45 Correct 6 ms 384 KB Output is correct

Subtask #4
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 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 5 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 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 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 6 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 384 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 6 ms 512 KB Output is correct
36 Correct 7 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 6 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 512 KB Output is correct
44 Correct 6 ms 384 KB Output is correct
45 Correct 6 ms 384 KB Output is correct
46 Correct 42 ms 3832 KB Output is correct
47 Correct 46 ms 4008 KB Output is correct
48 Correct 68 ms 4344 KB Output is correct
49 Correct 65 ms 4472 KB Output is correct
50 Correct 67 ms 4472 KB Output is correct
51 Correct 69 ms 4472 KB Output is correct
52 Correct 36 ms 2424 KB Output is correct
53 Correct 23 ms 1528 KB Output is correct
54 Correct 31 ms 3704 KB Output is correct
55 Correct 70 ms 4540 KB Output is correct
56 Correct 42 ms 3960 KB Output is correct
57 Correct 41 ms 3960 KB Output is correct
58 Correct 41 ms 3960 KB Output is correct
59 Correct 47 ms 4092 KB Output is correct
60 Correct 47 ms 4088 KB Output is correct

Subtask #5
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 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 5 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 4 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 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 6 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 384 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 6 ms 512 KB Output is correct
36 Correct 7 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 6 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 512 KB Output is correct
44 Correct 6 ms 384 KB Output is correct
45 Correct 6 ms 384 KB Output is correct
46 Correct 42 ms 3832 KB Output is correct
47 Correct 46 ms 4008 KB Output is correct
48 Correct 68 ms 4344 KB Output is correct
49 Correct 65 ms 4472 KB Output is correct
50 Correct 67 ms 4472 KB Output is correct
51 Correct 69 ms 4472 KB Output is correct
52 Correct 36 ms 2424 KB Output is correct
53 Correct 23 ms 1528 KB Output is correct
54 Correct 31 ms 3704 KB Output is correct
55 Correct 70 ms 4540 KB Output is correct
56 Correct 42 ms 3960 KB Output is correct
57 Correct 41 ms 3960 KB Output is correct
58 Correct 41 ms 3960 KB Output is correct
59 Correct 47 ms 4092 KB Output is correct
60 Correct 47 ms 4088 KB Output is correct
61 Correct 178 ms 17888 KB Output is correct
62 Correct 183 ms 17912 KB Output is correct
63 Correct 210 ms 18424 KB Output is correct
64 Correct 309 ms 20600 KB Output is correct
65 Correct 315 ms 20860 KB Output is correct
66 Correct 326 ms 20856 KB Output is correct
67 Correct 267 ms 16760 KB Output is correct
68 Correct 132 ms 8568 KB Output is correct
69 Correct 136 ms 17016 KB Output is correct
70 Correct 323 ms 20856 KB Output is correct
71 Correct 172 ms 17912 KB Output is correct
72 Correct 231 ms 18296 KB Output is correct
73 Correct 228 ms 18936 KB Output is correct
74 Correct 242 ms 19320 KB Output is correct
75 Correct 248 ms 19448 KB Output is correct