답안 #92122

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
92122	2019-01-01T15:20:24 Z	tjrwodnjs999	격자 보존하기 (GA9_preserve)	C++11	56 / 100	44 ms	2808 KB

preserve

#include <bits/stdc++.h>
using namespace std;
int n,m,k,arr[100005],a[100005],b[100005],Max,sum;
int main()
{
    scanf("%d%d%d",&n,&m,&k);
    for(int i=0;i<m;i++) scanf("%d",&arr[i]);
    for(int i=0;i<m-1;i++) a[i]=arr[i+1]-arr[i]-1;
    sort(a,a+100005,greater<int>()); b[0]=a[0];
    for(int i=1;i<m-1;i++) b[i]+=b[i-1]+a[i];
    if(k==1) Max=max(arr[0]-1,n-arr[m-1]);
    else{
        Max=max(b[k/2-1],arr[0]-1+n-arr[m-1]);
        if(k>=3) Max=max(Max,b[(k-1)/2-1]+max(arr[0]-1,n-arr[m-1]));
        if(k>=4) Max=max(Max,b[(k-2)/2-1]+arr[0]-1+n-arr[m-1]);
    }
    printf("%d",Max);
}

Compilation message

preserve.cpp: In function 'int main()':
preserve.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d",&n,&m,&k);
     ~~~~~^~~~~~~~~~~~~~~~~~~
preserve.cpp:7:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i=0;i<m;i++) scanf("%d",&arr[i]);
                          ~~~~~^~~~~~~~~~~~~~

Subtask #1

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	760 KB	Output is correct
2	Correct	3 ms	760 KB	Output is correct
3	Correct	3 ms	764 KB	Output is correct
4	Correct	3 ms	760 KB	Output is correct
5	Correct	3 ms	760 KB	Output is correct
6	Correct	3 ms	764 KB	Output is correct
7	Correct	3 ms	760 KB	Output is correct
8	Incorrect	3 ms	760 KB	Output isn't correct
9	Halted	0 ms	0 KB	-

Subtask #2

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	760 KB	Output is correct
2	Correct	3 ms	760 KB	Output is correct
3	Correct	3 ms	760 KB	Output is correct
4	Correct	3 ms	760 KB	Output is correct
5	Correct	3 ms	760 KB	Output is correct
6	Correct	3 ms	760 KB	Output is correct
7	Correct	3 ms	760 KB	Output is correct
8	Correct	3 ms	760 KB	Output is correct
9	Correct	3 ms	760 KB	Output is correct
10	Correct	3 ms	760 KB	Output is correct
11	Correct	3 ms	760 KB	Output is correct
12	Correct	3 ms	760 KB	Output is correct
13	Correct	3 ms	760 KB	Output is correct
14	Correct	4 ms	760 KB	Output is correct
15	Correct	3 ms	760 KB	Output is correct
16	Correct	3 ms	760 KB	Output is correct
17	Correct	3 ms	760 KB	Output is correct
18	Correct	3 ms	760 KB	Output is correct
19	Correct	3 ms	760 KB	Output is correct
20	Correct	3 ms	760 KB	Output is correct
21	Correct	3 ms	760 KB	Output is correct
22	Correct	3 ms	760 KB	Output is correct
23	Correct	3 ms	760 KB	Output is correct

Subtask #3

22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	760 KB	Output is correct
2	Correct	3 ms	760 KB	Output is correct
3	Correct	3 ms	760 KB	Output is correct
4	Correct	3 ms	760 KB	Output is correct
5	Correct	3 ms	760 KB	Output is correct
6	Correct	3 ms	760 KB	Output is correct
7	Correct	3 ms	760 KB	Output is correct
8	Correct	3 ms	760 KB	Output is correct
9	Correct	3 ms	760 KB	Output is correct
10	Correct	3 ms	760 KB	Output is correct
11	Correct	3 ms	760 KB	Output is correct
12	Correct	3 ms	760 KB	Output is correct
13	Correct	3 ms	760 KB	Output is correct
14	Correct	3 ms	760 KB	Output is correct
15	Correct	3 ms	760 KB	Output is correct
16	Correct	3 ms	760 KB	Output is correct
17	Correct	3 ms	764 KB	Output is correct
18	Correct	4 ms	760 KB	Output is correct
19	Correct	3 ms	760 KB	Output is correct
20	Correct	3 ms	764 KB	Output is correct
21	Correct	4 ms	760 KB	Output is correct
22	Correct	3 ms	760 KB	Output is correct
23	Correct	3 ms	760 KB	Output is correct
24	Correct	3 ms	760 KB	Output is correct
25	Correct	3 ms	760 KB	Output is correct
26	Correct	3 ms	760 KB	Output is correct
27	Correct	3 ms	760 KB	Output is correct

Subtask #4

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	22 ms	1528 KB	Output is correct
2	Correct	23 ms	1528 KB	Output is correct
3	Correct	23 ms	1528 KB	Output is correct
4	Correct	22 ms	1528 KB	Output is correct
5	Correct	23 ms	1528 KB	Output is correct
6	Correct	23 ms	1528 KB	Output is correct
7	Correct	23 ms	1504 KB	Output is correct
8	Correct	23 ms	1528 KB	Output is correct
9	Correct	13 ms	1076 KB	Output is correct
10	Correct	9 ms	1016 KB	Output is correct
11	Correct	21 ms	1400 KB	Output is correct
12	Correct	21 ms	1528 KB	Output is correct
13	Correct	21 ms	1400 KB	Output is correct
14	Correct	20 ms	1528 KB	Output is correct
15	Correct	21 ms	1528 KB	Output is correct
16	Correct	21 ms	1528 KB	Output is correct
17	Correct	21 ms	1396 KB	Output is correct
18	Correct	21 ms	1400 KB	Output is correct
19	Correct	22 ms	1400 KB	Output is correct
20	Correct	3 ms	760 KB	Output is correct
21	Correct	3 ms	760 KB	Output is correct
22	Correct	21 ms	1448 KB	Output is correct
23	Correct	44 ms	1528 KB	Output is correct
24	Correct	20 ms	1400 KB	Output is correct

Subtask #5

0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	24 ms	2808 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
2	Halted	0 ms	0 KB	-