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Submission #92122

# Submission time Handle Problem Language Result Execution time Memory
92122 2019-01-01T15:20:24 Z tjrwodnjs999 격자 보존하기 (GA9_preserve) C++11
56 / 100
 44 ms 2808 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 -