제출 #384796

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
384796		fadi57	Holding (COCI20_holding)	C++14	55 / 110	82 ms	141420 KiB

holding

#include<bits/stdc++.h>
using namespace std;

const int mx=60;
int n,l,r,k;
typedef long long ll;
ll a[mx];
int dp[mx][mx][10010];
int solve(int i,int j,int left){
int &ret=dp[i][j][left];
if(ret!=-1){return ret;}
if(i>=j){return 0;}
if(j>r){return 0;}
if(i>=l){return 0;}
if(j-i<=left){
    ret=solve(i+1,j+1,left-(j-i))+(a[j]-a[i]);
}
ret=max(ret,solve(i+1,j,left));
ret=max(ret,solve(i,j+1,left));
ret=max(ret,solve(i+1,j+1,left));
return ret;

}
int main(){
cin>>n>>l>>r>>k;
l--;
r--;
ll sum=0;
ll ans;
memset(dp,-1,sizeof(dp));
for(int i=0;i<n;i++){

    cin>>a[i];
    if(i>=l&&i<=r){sum+=a[i];}
}
ans=sum;


 cout<<sum-solve(0,l,k);





}

컴파일 시 표준 에러 (stderr) 메시지

holding.cpp: In function 'int main()':
holding.cpp:29:4: warning: variable 'ans' set but not used [-Wunused-but-set-variable]
   29 | ll ans;
      |    ^~~

• Subtask 1: 22 / 22
• Subtask 2: 33 / 33
• Subtask 3: 0 / 33
• Subtask 4: 0 / 22