Submission #92115

#	Time	Username	Problem	Language	Result	Execution time	Memory
92115		tjrwodnjs999	격자 보존하기 (GA9_preserve)	C++11	56 / 100	24 ms	2544 KiB

preserve

#include <bits/stdc++.h>
using namespace std;
int n,m,k,arr[100005],Max,sum;
vector<int> vt;
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++) vt.push_back(arr[i+1]-arr[i]-1);
    sort(vt.begin(),vt.end(),greater<int>());
    for(int i=0;i<k/2;i++) sum+=vt[i]; Max=sum;

    sum=0; for(int i=0;i<(k-1)/2;i++) sum+=vt[i]; Max=max(Max,sum+max(arr[0]-1,n-arr[m-1]));

    if(k>=2){
        sum=arr[0]-1; sum+=n-arr[m-1];
        for(int i=0;i<(k-2)/2;i++) sum+=vt[i];
        Max=max(Max,sum);
    }

    printf("%d",Max);
}

Compilation message (stderr)

preserve.cpp: In function 'int main()':
preserve.cpp:11:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(int i=0;i<k/2;i++) sum+=vt[i]; Max=sum;
     ^~~
preserve.cpp:11:40: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
     for(int i=0;i<k/2;i++) sum+=vt[i]; Max=sum;
                                        ^~~
preserve.cpp:7:10: 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:8:31: 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
• Subtask 2: 17 / 17
• Subtask 3: 22 / 22
• Subtask 4: 17 / 17
• Subtask 5: 0 / 35