// Bismi Allah
#include "bits/stdc++.h"
using namespace std;
#define int long long
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 < n; i ++) {
if(meal[i] < k) {
cout << "Impossible";
return 0;
}
}
if(m < k) {
cout << "Impossible\n";
return 0;
}
for(int i = 0; i < m; i ++) cin >> chef[i];
if(m == 2) {
if(accumulate(meal, meal + n, 0LL) <= chef[0] + chef[1] && min(chef[0], chef[1]) >= n) {
cout << chef[0] + chef[1] - accumulate(meal, meal + n, 0LL);
}else cout << "Impossible";
return 0;
}
assert(false);
for(int i = 0; i < n; i ++) mealCopy[i] = meal[i];
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]-1);
}
for(int i = 0; i < n; i ++) meal[i] -= k;
int res = 0, cur = 0;
for(int i = 0; i < n; i ++) {
if(meal[i] == 0) continue;
if(cur == cook.size()) {
cout << "Impossible\n";
goto end;
}
if(cook[cur] > meal[i]) {
cook[cur] -= meal[i];
meal[i] = 0;
}else {
meal[i] -= cook[cur];
cook[cur]=0;
cur ++, i --;
}
}
res = accumulate(cook.begin(), cook.end(), 0LL);
ans = min(ans, res);
end:;
for(int i = 0; i < n; i ++) meal[i] = mealCopy[i];
}
if(ans == 1e9) cout << "Impossible";
else cout << ans;
return 0;
}
Compilation message
kitchen.cpp: In function 'int main()':
kitchen.cpp:43:11: 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]
43 | if(cur == cook.size()) {
| ~~~~^~~~~~~~~~~~~~
| # |
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 |
344 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
348 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
348 KB |
Execution killed with signal 6 |
| 2 |
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 |
- |
