답안 #153911

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
153911	2019-09-17T12:38:26 Z	mhy908	도넛 (JOI14_ho_t3)	C++14	100 / 100	161 ms	2940 KB

2014_ho_t3

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
int n;
LL arr[200010], ans;
LL f(int stnum, int st, int fin)
{
    if(st==fin)return arr[st]-arr[stnum];
    LL mid=(st+fin)/2+1;
    LL l=arr[mid]-arr[stnum];
    int next=lower_bound(arr+mid+1, arr+stnum+n, l+arr[mid])-arr;
    if(arr[stnum+n]-arr[next]>=l)return f(stnum, mid, fin);
    return f(stnum, st, mid-1);
}
bool ch(int stnum)
{
    LL l=arr[stnum+1]-arr[stnum];
    int next=lower_bound(arr+stnum+2, arr+stnum+n, l+arr[stnum+1])-arr;
    if(arr[stnum+n]-arr[next]>=l)return true;
    return false;
}
int main()
{
    scanf("%d", &n);
    for(int i=1; i<=n; i++){
        LL temp;
        scanf("%lld", &temp);
        arr[i]=arr[i-1]+temp;
    }
    for(int i=1; i<=n; i++)
        arr[i+n]=arr[i]+arr[n];
    for(int i=0; i<n; i++)
        if(ch(i))ans=max(ans, f(i, i+1, i+n-1));
    printf("%lld", ans);
}

Compilation message

2014_ho_t3.cpp: In function 'int main()':
2014_ho_t3.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
2014_ho_t3.cpp:27:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &temp);
         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	3 ms	376 KB	Output is correct
13	Correct	2 ms	256 KB	Output is correct
14	Correct	2 ms	360 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	364 KB	Output is correct

Subtask #3
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	3 ms	376 KB	Output is correct
13	Correct	2 ms	256 KB	Output is correct
14	Correct	2 ms	360 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	364 KB	Output is correct
21	Correct	9 ms	504 KB	Output is correct
22	Correct	10 ms	504 KB	Output is correct
23	Correct	9 ms	508 KB	Output is correct
24	Correct	9 ms	504 KB	Output is correct
25	Correct	9 ms	504 KB	Output is correct
26	Correct	10 ms	504 KB	Output is correct
27	Correct	10 ms	504 KB	Output is correct
28	Correct	10 ms	504 KB	Output is correct
29	Correct	10 ms	504 KB	Output is correct
30	Correct	10 ms	504 KB	Output is correct
31	Correct	9 ms	504 KB	Output is correct
32	Correct	8 ms	504 KB	Output is correct
33	Correct	8 ms	504 KB	Output is correct
34	Correct	8 ms	504 KB	Output is correct
35	Correct	8 ms	504 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	256 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	3 ms	376 KB	Output is correct
13	Correct	2 ms	256 KB	Output is correct
14	Correct	2 ms	360 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	376 KB	Output is correct
20	Correct	2 ms	364 KB	Output is correct
21	Correct	9 ms	504 KB	Output is correct
22	Correct	10 ms	504 KB	Output is correct
23	Correct	9 ms	508 KB	Output is correct
24	Correct	9 ms	504 KB	Output is correct
25	Correct	9 ms	504 KB	Output is correct
26	Correct	10 ms	504 KB	Output is correct
27	Correct	10 ms	504 KB	Output is correct
28	Correct	10 ms	504 KB	Output is correct
29	Correct	10 ms	504 KB	Output is correct
30	Correct	10 ms	504 KB	Output is correct
31	Correct	9 ms	504 KB	Output is correct
32	Correct	8 ms	504 KB	Output is correct
33	Correct	8 ms	504 KB	Output is correct
34	Correct	8 ms	504 KB	Output is correct
35	Correct	8 ms	504 KB	Output is correct
36	Correct	136 ms	2808 KB	Output is correct
37	Correct	141 ms	2936 KB	Output is correct
38	Correct	144 ms	2808 KB	Output is correct
39	Correct	140 ms	2888 KB	Output is correct
40	Correct	135 ms	2808 KB	Output is correct
41	Correct	135 ms	2808 KB	Output is correct
42	Correct	146 ms	2940 KB	Output is correct
43	Correct	145 ms	2808 KB	Output is correct
44	Correct	161 ms	2880 KB	Output is correct
45	Correct	145 ms	2936 KB	Output is correct
46	Correct	125 ms	2012 KB	Output is correct
47	Correct	118 ms	2040 KB	Output is correct
48	Correct	119 ms	2140 KB	Output is correct

답안 #153911

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 15.0 / 15.0

Subtask #3 30.0 / 30.0

Subtask #4 50.0 / 50.0

Subtask #1
5.0 / 5.0

Subtask #2
15.0 / 15.0

Subtask #3
30.0 / 30.0

Subtask #4
50.0 / 50.0