Submission #320915

#	Time	Username	Problem	Language	Result	Execution time	Memory
320915		kimbj0709	Kitchen (BOI19_kitchen)	C++14	100 / 100	100 ms	1152 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define maxn 90050
int32_t main() {
  ios::sync_with_stdio(0);
  cin.tie(0);cout.tie(0);
  int n,m,k;
  cin >> n >> m >> k;
  vector<int> vect1,vect2;
  int input;
  int s = 0;
  for(int i=0;i<n;i++){
    cin >> input;
    if(input<k){
      cout << "Impossible";
      return 0;
    }
    s += input;
  }
  for(int i=0;i<m;i++){
    cin >> input;
    vect1.push_back(input);
  }
  vector<int> dp(maxn,INT_MIN);
  dp[0] = 0;
  for(int i=0;i<m;i++){
    int curradd = min(n,vect1[i]);
    for(int j=maxn-1-vect1[i];j>=0;j--){
      dp[j+vect1[i]] = max(dp[j+vect1[i]],dp[j]+curradd);
    }
  }
  int ans = INT_MAX;
  for(int i=s;i<dp.size();i++){
    if(dp[i]>=n*k){
      cout << i-s;
      return 0;
    }
  }
  cout << "Impossible";
}

Compilation message (stderr)

kitchen.cpp: In function 'int32_t main()':
kitchen.cpp:34:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |   for(int i=s;i<dp.size();i++){
      |               ~^~~~~~~~~~
kitchen.cpp:33:7: warning: unused variable 'ans' [-Wunused-variable]
   33 |   int ans = INT_MAX;
      |       ^~~

• Subtask 1: 9 / 9
• Subtask 2: 22 / 22
• Subtask 3: 20 / 20
• Subtask 4: 21 / 21
• Subtask 5: 28 / 28