답안 #199420

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
199420	2020-02-01T10:45:34 Z	semiauto	Bigger segments (IZhO19_segments)	C++14	73 / 100	1500 ms	14456 KB

segments

#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;
        scanf("%d",&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;
}

Compilation message

segments.cpp: In function 'int main()':
segments.cpp:32:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&x);
         ~~~~~^~~~~~~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	8568 KB	Output is correct
2	Correct	9 ms	8568 KB	Output is correct
3	Correct	9 ms	8568 KB	Output is correct
4	Correct	9 ms	8572 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	9 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	10 ms	8568 KB	Output is correct
12	Correct	9 ms	8568 KB	Output is correct
13	Correct	11 ms	8568 KB	Output is correct
14	Correct	9 ms	8568 KB	Output is correct
15	Correct	9 ms	8572 KB	Output is correct

Subtask #2
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	8568 KB	Output is correct
2	Correct	9 ms	8568 KB	Output is correct
3	Correct	9 ms	8568 KB	Output is correct
4	Correct	9 ms	8572 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	9 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	10 ms	8568 KB	Output is correct
12	Correct	9 ms	8568 KB	Output is correct
13	Correct	11 ms	8568 KB	Output is correct
14	Correct	9 ms	8568 KB	Output is correct
15	Correct	9 ms	8572 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	8568 KB	Output is correct
20	Correct	11 ms	8568 KB	Output is correct
21	Correct	10 ms	8568 KB	Output is correct
22	Correct	10 ms	8568 KB	Output is correct
23	Correct	10 ms	8572 KB	Output is correct
24	Correct	10 ms	8568 KB	Output is correct
25	Correct	10 ms	8568 KB	Output is correct
26	Correct	10 ms	8568 KB	Output is correct
27	Correct	10 ms	8572 KB	Output is correct
28	Correct	11 ms	8568 KB	Output is correct
29	Correct	10 ms	8568 KB	Output is correct
30	Correct	10 ms	8568 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	8568 KB	Output is correct
2	Correct	9 ms	8568 KB	Output is correct
3	Correct	9 ms	8568 KB	Output is correct
4	Correct	9 ms	8572 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	9 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	10 ms	8568 KB	Output is correct
12	Correct	9 ms	8568 KB	Output is correct
13	Correct	11 ms	8568 KB	Output is correct
14	Correct	9 ms	8568 KB	Output is correct
15	Correct	9 ms	8572 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	8568 KB	Output is correct
20	Correct	11 ms	8568 KB	Output is correct
21	Correct	10 ms	8568 KB	Output is correct
22	Correct	10 ms	8568 KB	Output is correct
23	Correct	10 ms	8572 KB	Output is correct
24	Correct	10 ms	8568 KB	Output is correct
25	Correct	10 ms	8568 KB	Output is correct
26	Correct	10 ms	8568 KB	Output is correct
27	Correct	10 ms	8572 KB	Output is correct
28	Correct	11 ms	8568 KB	Output is correct
29	Correct	10 ms	8568 KB	Output is correct
30	Correct	10 ms	8568 KB	Output is correct
31	Correct	12 ms	8568 KB	Output is correct
32	Correct	15 ms	8568 KB	Output is correct
33	Correct	15 ms	8568 KB	Output is correct
34	Correct	15 ms	8568 KB	Output is correct
35	Correct	19 ms	8696 KB	Output is correct
36	Correct	15 ms	8568 KB	Output is correct
37	Correct	14 ms	8568 KB	Output is correct
38	Correct	13 ms	8544 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	15 ms	8568 KB	Output is correct
44	Correct	15 ms	8568 KB	Output is correct
45	Correct	14 ms	8568 KB	Output is correct

Subtask #4
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	8568 KB	Output is correct
2	Correct	9 ms	8568 KB	Output is correct
3	Correct	9 ms	8568 KB	Output is correct
4	Correct	9 ms	8572 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	9 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	10 ms	8568 KB	Output is correct
12	Correct	9 ms	8568 KB	Output is correct
13	Correct	11 ms	8568 KB	Output is correct
14	Correct	9 ms	8568 KB	Output is correct
15	Correct	9 ms	8572 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	8568 KB	Output is correct
20	Correct	11 ms	8568 KB	Output is correct
21	Correct	10 ms	8568 KB	Output is correct
22	Correct	10 ms	8568 KB	Output is correct
23	Correct	10 ms	8572 KB	Output is correct
24	Correct	10 ms	8568 KB	Output is correct
25	Correct	10 ms	8568 KB	Output is correct
26	Correct	10 ms	8568 KB	Output is correct
27	Correct	10 ms	8572 KB	Output is correct
28	Correct	11 ms	8568 KB	Output is correct
29	Correct	10 ms	8568 KB	Output is correct
30	Correct	10 ms	8568 KB	Output is correct
31	Correct	12 ms	8568 KB	Output is correct
32	Correct	15 ms	8568 KB	Output is correct
33	Correct	15 ms	8568 KB	Output is correct
34	Correct	15 ms	8568 KB	Output is correct
35	Correct	19 ms	8696 KB	Output is correct
36	Correct	15 ms	8568 KB	Output is correct
37	Correct	14 ms	8568 KB	Output is correct
38	Correct	13 ms	8544 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	15 ms	8568 KB	Output is correct
44	Correct	15 ms	8568 KB	Output is correct
45	Correct	14 ms	8568 KB	Output is correct
46	Correct	196 ms	9720 KB	Output is correct
47	Correct	375 ms	9848 KB	Output is correct
48	Correct	373 ms	9720 KB	Output is correct
49	Correct	371 ms	9848 KB	Output is correct
50	Correct	345 ms	9720 KB	Output is correct
51	Correct	373 ms	9848 KB	Output is correct
52	Correct	176 ms	9080 KB	Output is correct
53	Correct	102 ms	8824 KB	Output is correct
54	Correct	374 ms	9944 KB	Output is correct
55	Correct	377 ms	9720 KB	Output is correct
56	Correct	361 ms	9756 KB	Output is correct
57	Correct	370 ms	9720 KB	Output is correct
58	Correct	364 ms	9848 KB	Output is correct
59	Correct	338 ms	9720 KB	Output is correct
60	Correct	368 ms	9720 KB	Output is correct

Subtask #5
0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	8568 KB	Output is correct
2	Correct	9 ms	8568 KB	Output is correct
3	Correct	9 ms	8568 KB	Output is correct
4	Correct	9 ms	8572 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	9 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	10 ms	8568 KB	Output is correct
12	Correct	9 ms	8568 KB	Output is correct
13	Correct	11 ms	8568 KB	Output is correct
14	Correct	9 ms	8568 KB	Output is correct
15	Correct	9 ms	8572 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	8568 KB	Output is correct
20	Correct	11 ms	8568 KB	Output is correct
21	Correct	10 ms	8568 KB	Output is correct
22	Correct	10 ms	8568 KB	Output is correct
23	Correct	10 ms	8572 KB	Output is correct
24	Correct	10 ms	8568 KB	Output is correct
25	Correct	10 ms	8568 KB	Output is correct
26	Correct	10 ms	8568 KB	Output is correct
27	Correct	10 ms	8572 KB	Output is correct
28	Correct	11 ms	8568 KB	Output is correct
29	Correct	10 ms	8568 KB	Output is correct
30	Correct	10 ms	8568 KB	Output is correct
31	Correct	12 ms	8568 KB	Output is correct
32	Correct	15 ms	8568 KB	Output is correct
33	Correct	15 ms	8568 KB	Output is correct
34	Correct	15 ms	8568 KB	Output is correct
35	Correct	19 ms	8696 KB	Output is correct
36	Correct	15 ms	8568 KB	Output is correct
37	Correct	14 ms	8568 KB	Output is correct
38	Correct	13 ms	8544 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	15 ms	8568 KB	Output is correct
44	Correct	15 ms	8568 KB	Output is correct
45	Correct	14 ms	8568 KB	Output is correct
46	Correct	196 ms	9720 KB	Output is correct
47	Correct	375 ms	9848 KB	Output is correct
48	Correct	373 ms	9720 KB	Output is correct
49	Correct	371 ms	9848 KB	Output is correct
50	Correct	345 ms	9720 KB	Output is correct
51	Correct	373 ms	9848 KB	Output is correct
52	Correct	176 ms	9080 KB	Output is correct
53	Correct	102 ms	8824 KB	Output is correct
54	Correct	374 ms	9944 KB	Output is correct
55	Correct	377 ms	9720 KB	Output is correct
56	Correct	361 ms	9756 KB	Output is correct
57	Correct	370 ms	9720 KB	Output is correct
58	Correct	364 ms	9848 KB	Output is correct
59	Correct	338 ms	9720 KB	Output is correct
60	Correct	368 ms	9720 KB	Output is correct
61	Correct	1192 ms	14456 KB	Output is correct
62	Execution timed out	1589 ms	14200 KB	Time limit exceeded
63	Halted	0 ms	0 KB	-

답안 #199420

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 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
0 / 27.0