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Submission #199419

# Submission time Handle Problem Language Result Execution time Memory
199419 2020-02-01T10:44:20 Z semiauto Bigger segments (IZhO19_segments) C++14
73 / 100
 1500 ms 14456 KB 
#include <bits/stdc++.h>
using namespace std;
long long sum[500001],tree[1050000];
int dp[500001];
long long minn(long long a,long long b) {
    if (a>b)
        return b;
    return a;
}
void update(int pos,long long val) {
    while (pos) {
        tree[pos]=minn(tree[pos],val);
        pos/=2;
    }
}
long long solve(int p,int l,int r,int x,int y) {
    if (x>r || l>y)
        return 2000000000000000000ll;
    if (l>=x && r<=y)
        return tree[p];
    return minn(solve(2*p,l,(l+r)/2,x,y),solve(2*p+1,(l+r)/2+1,r,x,y));
}
int main() {
    for (int i=0;i<1050000;i++)
        tree[i]=2000000000000000000ll;
    int n,N=1;
    cin>>n;
    while (N<n)
        N*=2;
    for (int i=1;i<=n;i++) {
        int x;
        cin>>x;
        sum[i]=sum[i-1]+x;
        int pos=i;
        for (int j=18;j>=0;j--)
            if (pos-(1<<j)>0 && solve(1,N,2*N-1,pos-(1<<j)+N-1,pos-1+N-1)>sum[i])
                pos-=(1<<j);
        dp[i]=dp[pos-1]+1;
        update(i+N-1,2*sum[i]-sum[pos-1]);
    }
    cout<<dp[n]<<endl;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 8568 KB Output is correct
2 Correct 10 ms 8568 KB Output is correct
3 Correct 10 ms 8624 KB Output is correct
4 Correct 9 ms 8568 KB Output is correct
5 Correct 10 ms 8568 KB Output is correct
6 Correct 9 ms 8568 KB Output is correct
7 Correct 9 ms 8568 KB Output is correct
8 Correct 11 ms 8568 KB Output is correct
9 Correct 9 ms 8568 KB Output is correct
10 Correct 9 ms 8568 KB Output is correct
11 Correct 8 ms 8568 KB Output is correct
12 Correct 10 ms 8568 KB Output is correct
13 Correct 9 ms 8568 KB Output is correct
14 Correct 9 ms 8568 KB Output is correct
15 Correct 9 ms 8568 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 8568 KB Output is correct
2 Correct 10 ms 8568 KB Output is correct
3 Correct 10 ms 8624 KB Output is correct
4 Correct 9 ms 8568 KB Output is correct
5 Correct 10 ms 8568 KB Output is correct
6 Correct 9 ms 8568 KB Output is correct
7 Correct 9 ms 8568 KB Output is correct
8 Correct 11 ms 8568 KB Output is correct
9 Correct 9 ms 8568 KB Output is correct
10 Correct 9 ms 8568 KB Output is correct
11 Correct 8 ms 8568 KB Output is correct
12 Correct 10 ms 8568 KB Output is correct
13 Correct 9 ms 8568 KB Output is correct
14 Correct 9 ms 8568 KB Output is correct
15 Correct 9 ms 8568 KB Output is correct
16 Correct 9 ms 8568 KB Output is correct
17 Correct 10 ms 8568 KB Output is correct
18 Correct 10 ms 8568 KB Output is correct
19 Correct 10 ms 8572 KB Output is correct
20 Correct 10 ms 8568 KB Output is correct
21 Correct 7 ms 8568 KB Output is correct
22 Correct 10 ms 8568 KB Output is correct
23 Correct 9 ms 8568 KB Output is correct
24 Correct 10 ms 8568 KB Output is correct
25 Correct 9 ms 8568 KB Output is correct
26 Correct 9 ms 8568 KB Output is correct
27 Correct 10 ms 8568 KB Output is correct
28 Correct 10 ms 8568 KB Output is correct
29 Correct 9 ms 8568 KB Output is correct
30 Correct 10 ms 8568 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 8568 KB Output is correct
2 Correct 10 ms 8568 KB Output is correct
3 Correct 10 ms 8624 KB Output is correct
4 Correct 9 ms 8568 KB Output is correct
5 Correct 10 ms 8568 KB Output is correct
6 Correct 9 ms 8568 KB Output is correct
7 Correct 9 ms 8568 KB Output is correct
8 Correct 11 ms 8568 KB Output is correct
9 Correct 9 ms 8568 KB Output is correct
10 Correct 9 ms 8568 KB Output is correct
11 Correct 8 ms 8568 KB Output is correct
12 Correct 10 ms 8568 KB Output is correct
13 Correct 9 ms 8568 KB Output is correct
14 Correct 9 ms 8568 KB Output is correct
15 Correct 9 ms 8568 KB Output is correct
16 Correct 9 ms 8568 KB Output is correct
17 Correct 10 ms 8568 KB Output is correct
18 Correct 10 ms 8568 KB Output is correct
19 Correct 10 ms 8572 KB Output is correct
20 Correct 10 ms 8568 KB Output is correct
21 Correct 7 ms 8568 KB Output is correct
22 Correct 10 ms 8568 KB Output is correct
23 Correct 9 ms 8568 KB Output is correct
24 Correct 10 ms 8568 KB Output is correct
25 Correct 9 ms 8568 KB Output is correct
26 Correct 9 ms 8568 KB Output is correct
27 Correct 10 ms 8568 KB Output is correct
28 Correct 10 ms 8568 KB Output is correct
29 Correct 9 ms 8568 KB Output is correct
30 Correct 10 ms 8568 KB Output is correct
31 Correct 14 ms 8568 KB Output is correct
32 Correct 15 ms 8568 KB Output is correct
33 Correct 16 ms 8568 KB Output is correct
34 Correct 16 ms 8572 KB Output is correct
35 Correct 17 ms 8568 KB Output is correct
36 Correct 17 ms 8568 KB Output is correct
37 Correct 15 ms 8568 KB Output is correct
38 Correct 14 ms 8568 KB Output is correct
39 Correct 15 ms 8568 KB Output is correct
40 Correct 16 ms 8568 KB Output is correct
41 Correct 15 ms 8568 KB Output is correct
42 Correct 15 ms 8568 KB Output is correct
43 Correct 16 ms 8568 KB Output is correct
44 Correct 15 ms 8568 KB Output is correct
45 Correct 16 ms 8568 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 8568 KB Output is correct
2 Correct 10 ms 8568 KB Output is correct
3 Correct 10 ms 8624 KB Output is correct
4 Correct 9 ms 8568 KB Output is correct
5 Correct 10 ms 8568 KB Output is correct
6 Correct 9 ms 8568 KB Output is correct
7 Correct 9 ms 8568 KB Output is correct
8 Correct 11 ms 8568 KB Output is correct
9 Correct 9 ms 8568 KB Output is correct
10 Correct 9 ms 8568 KB Output is correct
11 Correct 8 ms 8568 KB Output is correct
12 Correct 10 ms 8568 KB Output is correct
13 Correct 9 ms 8568 KB Output is correct
14 Correct 9 ms 8568 KB Output is correct
15 Correct 9 ms 8568 KB Output is correct
16 Correct 9 ms 8568 KB Output is correct
17 Correct 10 ms 8568 KB Output is correct
18 Correct 10 ms 8568 KB Output is correct
19 Correct 10 ms 8572 KB Output is correct
20 Correct 10 ms 8568 KB Output is correct
21 Correct 7 ms 8568 KB Output is correct
22 Correct 10 ms 8568 KB Output is correct
23 Correct 9 ms 8568 KB Output is correct
24 Correct 10 ms 8568 KB Output is correct
25 Correct 9 ms 8568 KB Output is correct
26 Correct 9 ms 8568 KB Output is correct
27 Correct 10 ms 8568 KB Output is correct
28 Correct 10 ms 8568 KB Output is correct
29 Correct 9 ms 8568 KB Output is correct
30 Correct 10 ms 8568 KB Output is correct
31 Correct 14 ms 8568 KB Output is correct
32 Correct 15 ms 8568 KB Output is correct
33 Correct 16 ms 8568 KB Output is correct
34 Correct 16 ms 8572 KB Output is correct
35 Correct 17 ms 8568 KB Output is correct
36 Correct 17 ms 8568 KB Output is correct
37 Correct 15 ms 8568 KB Output is correct
38 Correct 14 ms 8568 KB Output is correct
39 Correct 15 ms 8568 KB Output is correct
40 Correct 16 ms 8568 KB Output is correct
41 Correct 15 ms 8568 KB Output is correct
42 Correct 15 ms 8568 KB Output is correct
43 Correct 16 ms 8568 KB Output is correct
44 Correct 15 ms 8568 KB Output is correct
45 Correct 16 ms 8568 KB Output is correct
46 Correct 217 ms 9800 KB Output is correct
47 Correct 380 ms 9732 KB Output is correct
48 Correct 413 ms 9848 KB Output is correct
49 Correct 396 ms 9720 KB Output is correct
50 Correct 401 ms 9760 KB Output is correct
51 Correct 410 ms 9976 KB Output is correct
52 Correct 202 ms 9172 KB Output is correct
53 Correct 114 ms 8824 KB Output is correct
54 Correct 385 ms 9848 KB Output is correct
55 Correct 419 ms 9840 KB Output is correct
56 Correct 384 ms 9892 KB Output is correct
57 Correct 378 ms 9720 KB Output is correct
58 Correct 386 ms 9848 KB Output is correct
59 Correct 397 ms 9724 KB Output is correct
60 Correct 400 ms 9744 KB Output is correct

Subtask #5
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 8568 KB Output is correct
2 Correct 10 ms 8568 KB Output is correct
3 Correct 10 ms 8624 KB Output is correct
4 Correct 9 ms 8568 KB Output is correct
5 Correct 10 ms 8568 KB Output is correct
6 Correct 9 ms 8568 KB Output is correct
7 Correct 9 ms 8568 KB Output is correct
8 Correct 11 ms 8568 KB Output is correct
9 Correct 9 ms 8568 KB Output is correct
10 Correct 9 ms 8568 KB Output is correct
11 Correct 8 ms 8568 KB Output is correct
12 Correct 10 ms 8568 KB Output is correct
13 Correct 9 ms 8568 KB Output is correct
14 Correct 9 ms 8568 KB Output is correct
15 Correct 9 ms 8568 KB Output is correct
16 Correct 9 ms 8568 KB Output is correct
17 Correct 10 ms 8568 KB Output is correct
18 Correct 10 ms 8568 KB Output is correct
19 Correct 10 ms 8572 KB Output is correct
20 Correct 10 ms 8568 KB Output is correct
21 Correct 7 ms 8568 KB Output is correct
22 Correct 10 ms 8568 KB Output is correct
23 Correct 9 ms 8568 KB Output is correct
24 Correct 10 ms 8568 KB Output is correct
25 Correct 9 ms 8568 KB Output is correct
26 Correct 9 ms 8568 KB Output is correct
27 Correct 10 ms 8568 KB Output is correct
28 Correct 10 ms 8568 KB Output is correct
29 Correct 9 ms 8568 KB Output is correct
30 Correct 10 ms 8568 KB Output is correct
31 Correct 14 ms 8568 KB Output is correct
32 Correct 15 ms 8568 KB Output is correct
33 Correct 16 ms 8568 KB Output is correct
34 Correct 16 ms 8572 KB Output is correct
35 Correct 17 ms 8568 KB Output is correct
36 Correct 17 ms 8568 KB Output is correct
37 Correct 15 ms 8568 KB Output is correct
38 Correct 14 ms 8568 KB Output is correct
39 Correct 15 ms 8568 KB Output is correct
40 Correct 16 ms 8568 KB Output is correct
41 Correct 15 ms 8568 KB Output is correct
42 Correct 15 ms 8568 KB Output is correct
43 Correct 16 ms 8568 KB Output is correct
44 Correct 15 ms 8568 KB Output is correct
45 Correct 16 ms 8568 KB Output is correct
46 Correct 217 ms 9800 KB Output is correct
47 Correct 380 ms 9732 KB Output is correct
48 Correct 413 ms 9848 KB Output is correct
49 Correct 396 ms 9720 KB Output is correct
50 Correct 401 ms 9760 KB Output is correct
51 Correct 410 ms 9976 KB Output is correct
52 Correct 202 ms 9172 KB Output is correct
53 Correct 114 ms 8824 KB Output is correct
54 Correct 385 ms 9848 KB Output is correct
55 Correct 419 ms 9840 KB Output is correct
56 Correct 384 ms 9892 KB Output is correct
57 Correct 378 ms 9720 KB Output is correct
58 Correct 386 ms 9848 KB Output is correct
59 Correct 397 ms 9724 KB Output is correct
60 Correct 400 ms 9744 KB Output is correct
61 Correct 1311 ms 14456 KB Output is correct
62 Execution timed out 1587 ms 13864 KB Time limit exceeded
63 Halted 0 ms 0 KB -