// Bismi Allah
#include "bits/stdc++.h"
using namespace std;
signed main () {
int n, m, k;
cin >> n >> m >> k;
int meal[n], chef[m];
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][0] = 1;
// for(auto coin : chef) {
// for(int i = 1699; i >= 0; i --) {
// for(int full = 0; full < 41; full ++) {
// for(int rezerv = 0; rezerv < 41; rezerv ++) {
// if(dp[i][full][rezerv]) {
// if(coin >= n) dp[i+coin][full+1][rezerv] = 1;
// else {
// dp[i+coin][full+(rezerv + coin)/n][(rezerv + coin) % n] = 1;
// }
// }
// }
// }
// }
// }
// int ans = 1e9;
// for(int i = szdp; i < 1700; i ++) {
// for(int full = k; full < 50; full ++) {
// for(int rezerv = 0; rezerv < 50; rezerv ++) {
// if(dp[i][full][rezerv])
// ans = min(ans, i-szdp);
// }
// }
// }
// if(ans == 1e9) cout << "Impossible";
// else
// cout << ans;
queue <vector <int>> q;
for(int i = 0; i < m; i ++) q.push({0, 0, i});
map <pair <int,int>,int> dp;
dp[{0,0}]=1;
int ii = 0;
while(!q.empty()) {
vector <int> cur = q.front();
q.pop();
if(cur[2] == m) break;
dp[{cur[0] + chef[cur[2]], cur[1] + min(chef[cur[2]], n)}] = 1;
q.push({cur[0] + chef[cur[2]], cur[1] + min(chef[cur[2]], n), cur[2] + 1});
}
int ans = 1e9;
for(auto i : dp) {
if(i.first.first >= szdp && i.first.second==n*k) ans = min(ans, i.first.first-szdp);
}
if(ans == 1e9) cout << "Impossible\n";
else
cout << ans;
return 0;
}
Compilation message
kitchen.cpp: In function 'int main()':
kitchen.cpp:100:6: warning: unused variable 'ii' [-Wunused-variable]
100 | int ii = 0;
| ^~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
