Submission #714330

#	Time	Username	Problem	Language	Result	Execution time	Memory
714330		vjudge1	Uplifting Excursion (BOI22_vault)	C++17	0 / 100	139 ms	792 KiB

vault

#include<bits/stdc++.h>
using namespace std;
int res[64750];
int main () {
  for(int i = 0;i<64750;i++)res[i]=-2e9;
  res[0]=0;
  long long m, l;
  cin >> m >> l;
  long long a[2*m+1];
  for(int i = 0;i<=2*m;i++) {
    cin >> a[i];
  }
  if(l>=64750) {
    cout << "impossible\n";
    return 0;
  }
  for(int i = m+1;i<=2*m;i++) {
    for(int cnt=1;cnt<=a[i];cnt++) {
      for(int j = 64750-1;j>=(i-m);j--) {
        res[j]=max(res[j], res[j-(i-m)]+1);
      }
    }
  }
  for(int i = 0;i<=m-1;i++) {
    for(int cnt=1;cnt<=a[i];cnt++) {
      for(int j = 0;j<64750;j++) {
        if((j-(i-m))<64750)res[j]=max(res[j], res[j-(i-m)]+1);
      }
    }
  }
  res[l]+=a[m];
  if(res[l]<0)cout<<"impossible\n";
  else cout << (res[l]) << "\n";
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 15
• Subtask 3-1: 0 / 10
• Subtask 3-2: 0 / 10
• Subtask 4-1: 0 / 10
• Subtask 4-2: 0 / 10
• Subtask 5-1: 0 / 10
• Subtask 5-2: 0 / 10
• Subtask 6-1: 0 / 10
• Subtask 6-2: 0 / 10