oj.uz

Submission #862348

# Submission time Handle Problem Language Result Execution time Memory
862348 2023-10-18T05:27:57 Z maks007 Kitchen (BOI19_kitchen) C++14
51 / 100
 195 ms 8276 KB 
// 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 < 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;
	}
	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;
}

Compilation message

kitchen.cpp: In function 'int main()':
kitchen.cpp:33:20: 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]
   33 |   for(int i = 0; i < dp.size(); i ++) {
      |                  ~~^~~~~~~~~~~
kitchen.cpp:54:20: 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]
   54 |   for(int i = 0; i < cook.size(); i ++) {
      |                  ~~^~~~~~~~~~~~~
kitchen.cpp:11:24: warning: unused variable 'mealCopy' [-Wunused-variable]
   11 |  int meal[n], chef[m], mealCopy[n];
      |                        ^~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8028 KB Output is correct
2 Correct 4 ms 8028 KB Output is correct
3 Correct 3 ms 8024 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 5 ms 8276 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 8028 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8028 KB Output is correct
2 Correct 4 ms 8028 KB Output is correct
3 Correct 3 ms 8024 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 5 ms 8276 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 8028 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 6 ms 348 KB Output is correct
13 Correct 7 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 168 ms 8268 KB Output is correct
2 Correct 152 ms 8252 KB Output is correct
3 Correct 185 ms 8028 KB Output is correct
4 Correct 195 ms 8028 KB Output is correct
5 Correct 180 ms 8028 KB Output is correct
6 Correct 137 ms 8028 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8028 KB Output is correct
2 Correct 4 ms 8028 KB Output is correct
3 Correct 3 ms 8024 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 5 ms 8276 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 8028 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 6 ms 348 KB Output is correct
13 Correct 7 ms 348 KB Output is correct
14 Correct 168 ms 8268 KB Output is correct
15 Correct 152 ms 8252 KB Output is correct
16 Correct 185 ms 8028 KB Output is correct
17 Correct 195 ms 8028 KB Output is correct
18 Correct 180 ms 8028 KB Output is correct
19 Correct 137 ms 8028 KB Output is correct
20 Incorrect 1 ms 344 KB Output isn't correct
21 Halted 0 ms 0 KB -