Submission #844502

#	Time	Username	Problem	Language	Result	Execution time	Memory
844502		vjudge1	Holding (COCI20_holding)	C++17	Compilation error	0 ms	0 KiB

holding

#include <bits/stdc++.h>
using namespace std;
int dp[105][10005];

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n, left, right, k; cin >> n >> left >> right >> k;

    vector<int> a(n+1);

    for (int i = 1; i <= n; i++) cin >> a[i];

    int sum = 0;

    for (int i = left; i <= right; i++) sum+=a[i];

    for(int l=0; l<100+5; l++){
        for(int j=0; j<=k; j++){
            dp[l][j]=dplast[l][j]=dptmp[l][j]=sum;

        }
    }

    int ans=sum;

    for(int i=1; i<=right; i++){

        if(i<left){
            for(int l=left; l<=n; l++){
                for(int j=l-i; j<=k; j++){

                    if(l<=r){
                        dp[l][j] = min(dp[l][j], dplast[l-1][j-(l-i)]-a[l]+a[i]);
                    }
                    dp[l][j] = min(dp[l][j], dp[l-1][j]);
                    ans=min(ans, dp[l][j]);

                }

            }
        }
        else{
            for(int l = right+1; l <=n; l++){
                for(int j=l-i; j<=k; j++){

                    dp[l][j] = min(dp[l][j], dplast[l-1][j-(l-i)]-a[i]+a[l]);
                    dp[l][j] = min(dp[l][j], dp[l-1][j]);
                    ans=min(ans, dp[l][j]);
                }
            }
        }
        swap(dplast, dp);


        for(int l=0; l<100+5; l++){
            for(int j=0; j<=k; j++){
                dp[l][j]=sum;
            }
        }
    }



    cout << ans;

}

Compilation message (stderr)

holding.cpp: In function 'int main()':
holding.cpp:21:22: error: 'dplast' was not declared in this scope
   21 |             dp[l][j]=dplast[l][j]=dptmp[l][j]=sum;
      |                      ^~~~~~
holding.cpp:21:35: error: 'dptmp' was not declared in this scope
   21 |             dp[l][j]=dplast[l][j]=dptmp[l][j]=sum;
      |                                   ^~~~~
holding.cpp:34:27: error: 'r' was not declared in this scope
   34 |                     if(l<=r){
      |                           ^
holding.cpp:35:50: error: 'dplast' was not declared in this scope
   35 |                         dp[l][j] = min(dp[l][j], dplast[l-1][j-(l-i)]-a[l]+a[i]);
      |                                                  ^~~~~~
holding.cpp:48:46: error: 'dplast' was not declared in this scope
   48 |                     dp[l][j] = min(dp[l][j], dplast[l-1][j-(l-i)]-a[i]+a[l]);
      |                                              ^~~~~~
holding.cpp:54:14: error: 'dplast' was not declared in this scope
   54 |         swap(dplast, dp);
      |              ^~~~~~