/*Bismillahir Rahmanir Raheem*/ #include <bits/stdc++.h> using namespace std; #define int long long #define F first #define S second #define pb push_back const int inf = (1LL << 60); void ma1n() { int n, m, k, tm = 0; cin>>n>>m>>k; vector<int> a(n + 1), b(m + 1); for(int i = 1; i <= n; i++) { cin>>a[i]; tm += a[i]; if(a[i] < k){ cout<<"Impossible\n"; return; } } for(int i = 1; i <= m; i++) cin>>b[i]; if(k > m) { cout<<"Impossible\n"; return; } int need = k * n; int ans = inf; int n1 = (1LL << m); for(int mask = 0; mask < n1; mask++){ int col = __builtin_popcount(mask); int sum = 0; int part = 0; if(col < k) continue; for(int i = 0; i < m; i++){ int bit = (1 << i); if(mask & bit){ if(b[i + 1] < n) continue; sum += b[i + 1]; part += min(b[i + 1], n); } // cout<<mask<<" "<<i<<" "<<sum<<" chekc\n"; } if (sum >= tm && part >= need) { ans = min(ans, sum - tm); } } cout<<ans<<"\n"; } main() { ios::sync_with_stdio(false); cin.tie(0), cout.tie(0); int T = 1; // cin>>T; while(T--) { ma1n(); } }

kitchen.cpp:53:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   53 | main() {
      | ^~~~