oj.uz

Submission #862358

# Submission time Handle Problem Language Result Execution time Memory
862358 2023-10-18T05:58:56 Z maks007 Kitchen (BOI19_kitchen) C++14
50 / 100
 190 ms 8536 KB 
// Bismi Allah
#include "bits/stdc++.h"
 
using namespace std;
 
#define int long long
 
int dp[1700][50][50];

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){
		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;
	return 0;
}

Compilation message

kitchen.cpp: In function 'int main()':
kitchen.cpp:35:20: 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]
   35 |   for(int i = 0; i < dp.size(); i ++) {
      |                  ~~^~~~~~~~~~~
kitchen.cpp:57:21: 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]
   57 |    for(int i = 0; i < cook.size(); i ++) {
      |                   ~~^~~~~~~~~~~~~
kitchen.cpp:13:24: warning: unused variable 'mealCopy' [-Wunused-variable]
   13 |  int meal[n], chef[m], mealCopy[n];
      |                        ^~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8280 KB Output is correct
2 Correct 3 ms 8028 KB Output is correct
3 Correct 5 ms 8536 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3 ms 8284 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 5 ms 8028 KB Output is correct

Subtask #2
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8280 KB Output is correct
2 Correct 3 ms 8028 KB Output is correct
3 Correct 5 ms 8536 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3 ms 8284 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 5 ms 8028 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 5 ms 444 KB Output is correct
11 Correct 20 ms 1112 KB Output is correct
12 Correct 21 ms 1112 KB Output is correct
13 Runtime error 9 ms 860 KB Execution killed with signal 11
14 Halted 0 ms 0 KB -

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 165 ms 8028 KB Output is correct
2 Correct 151 ms 8276 KB Output is correct
3 Correct 185 ms 8024 KB Output is correct
4 Correct 190 ms 8280 KB Output is correct
5 Correct 179 ms 8284 KB Output is correct
6 Correct 133 ms 8260 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 6216 KB Output is correct
2 Correct 50 ms 4692 KB Output is correct
3 Correct 49 ms 4988 KB Output is correct
4 Correct 51 ms 5240 KB Output is correct
5 Correct 0 ms 344 KB Output is correct

Subtask #5
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8280 KB Output is correct
2 Correct 3 ms 8028 KB Output is correct
3 Correct 5 ms 8536 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 3 ms 8284 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 5 ms 8028 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 5 ms 444 KB Output is correct
11 Correct 20 ms 1112 KB Output is correct
12 Correct 21 ms 1112 KB Output is correct
13 Runtime error 9 ms 860 KB Execution killed with signal 11
14 Halted 0 ms 0 KB -