Submission #862361

#TimeUsernameProblemLanguageResultExecution timeMemory
862361maks007Kitchen (BOI19_kitchen)C++14
0 / 100
8 ms348 KiB
// Bismi Allah #include "bits/stdc++.h" using namespace std; // #define int long long int dp[(int)10000][10000]; signed main () { int n, m, k; cin >> n >> m >> k; int meal[n], chef[m], mealCopy[n]; for(int i = 0; i < n; i ++) cin >> meal[i]; for(int i = 0; i < m; i ++) cin >> chef[i]; if(*min_element(meal, meal + n) < k) { cout << "Impossible"; return 0; } if(m < k) { cout << "Impossible"; return 0; } // if(k == 1) { // int szdp = accumulate(meal, meal + n, 0LL); // vector <int> dp((int)1e6, 0); // dp[0] = 1; // for(auto j : chef) { // for(int i = (int)1e6-1; i >= 0; i --) { // if(!dp[i]) continue; // dp[i+j] = 1; // } // } // int mn = 1e9; // for(int i = 0; i < dp.size(); i ++) { // if(dp[i] == 0) continue; // if(i < szdp) continue; // mn = min(mn, i-szdp); // } // if(mn == 1e9) cout << "Impossible\n"; // else // cout << mn << "\n"; // return 0; // } // if(*max_element(meal, meal + n) > 40 || *max_element(chef, chef + m) > 40){ // int ans = 1e9; // for(int mask = 0; mask < (1 << m); mask ++) { // if(__builtin_popcount(mask) < k) continue; // vector <int> cook; // for(int i = 0; i < m; i ++) { // if(mask & (1 << i)) { // cook.push_back(chef[i]); // } // } // if(accumulate(cook.begin(), cook.end(), 0LL) < accumulate(meal, meal + n, 0LL)) continue; // int cnt = 0, other = 0; // for(int i = 0; i < cook.size(); i ++) { // if(cook[i] >= n) cnt ++; // else { // other += cook[i]; // } // } // cnt += (other / n); // if(cnt >= k) // ans = min(ans, accumulate(cook.begin(), cook.end(), 0LL) - accumulate(meal, meal + n, 0LL)); // } // if(ans == 1e9) cout << "Impossible"; // else // cout << ans; // return 0; // } int szdp = accumulate(meal, meal + n, 0); dp[0][0]= 1; for(auto coin : chef) { for(int i = (int)1e5-1; i >= 0; i --) { for(int rezerv = 0; rezerv < 1000; rezerv ++) { if(dp[i][rezerv]) { dp[i+coin][rezerv + min(n, coin)] = 1; } } } } int ans = 1e9; for(int i = szdp; i < (int)1e5; i ++) { for(int rezerv = n*k; rezerv < 1000; rezerv ++) { if(dp[i][rezerv]) ans = min(ans, i-szdp); } } if(ans == 1e9) cout << "Impossible"; else cout << ans; return 0; }

Compilation message (stderr)

kitchen.cpp: In function 'int main()':
kitchen.cpp:13:24: warning: unused variable 'mealCopy' [-Wunused-variable]
   13 |  int meal[n], chef[m], mealCopy[n];
      |                        ^~~~~~~~
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