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Submission #653611

# Submission time Handle Problem Language Result Execution time Memory
653611 2022-10-27T11:38:26 Z AdamGS Uplifting Excursion (BOI22_vault) C++17
0 / 100
 47 ms 8148 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("Ofast")
 
using namespace std;
typedef long long ll;
 
const int maxn = 100;
 
int M;
ll L;
 
vector<int> pos(maxn+5), neg(maxn+5);
 
void solve(){
  cin >> M >> L;
  for(int i = 1; i <= M; i++)
    cin >> neg[M-i+1];
  ll ans;
  cin >> ans;
  for(int i = 1; i <= M; i++)
    cin >> pos[i];
  int maxn3 = (maxn*maxn+1)/2*maxn;
  vector<ll> knapsack1(maxn3+5, -1e18), knapsack2(maxn3+5, -1e18);
  knapsack1[0] = knapsack2[0] = 0;
  for(int i = 1; i <= M; i++){
    for(int make = maxn3-i; make >= 0; make--){
      int a=min(pos[i], make/i), b=min(neg[i], make/i);
      for(int use=0; use < a; ++use) if(knapsack1[make+i]<knapsack1[make-use*i]+use+1)
        knapsack1[make+i]=knapsack1[make-use*i]+use+1;
      for(int use=0; use<b; ++use) if(knapsack2[make+i]<knapsack2[make-use*i]+use+1)
        knapsack2[make+i]=knapsack2[make-use*i]+use+1;
    }
  }
  ll add = -1e18;
  for(int i = 0; i <= maxn3; i++){
    ll need = L-i;
    if(need > 0){
      continue;
    }else if(need == 0){
      add = max(add, knapsack1[i]);
    }else if(-need >= maxn3 || knapsack2[-need] < 0 || knapsack1[i] < 0){
      continue;
    }else{
      add = max(add, knapsack1[i] + knapsack2[-need]);
    }
  }
  if(add == -1e18){
    cout << "impossible\n";
  }else{
    cout << ans+add;
  }
}
 
int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  int tt = 1;
  // cin >> tt;
  while(tt--){
    solve();
  }
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 8148 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 8148 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 47 ms 8148 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 47 ms 8148 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 47 ms 8148 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 8148 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 47 ms 8148 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 8148 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6-1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 47 ms 8148 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6-2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 8148 KB Output isn't correct
2 Halted 0 ms 0 KB -