oj.uz

답안 #303025

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
303025 2020-09-19T18:46:02 Z bigg Kitchen (BOI19_kitchen) C++14
51 / 100
 15 ms 640 KB 
#include<bits/stdc++.h>
using namespace std;
const int MAXV  = 1e5 + 10;

int dp[MAXV];
int a[310], b[310];
int n, m, k;
int main(){
	scanf("%d %d %d", &n, &m, &k);
	int soma = 0, mina = 1e9 + 7;
	for(int i = 1; i <= n; i++){
		scanf("%d", &a[i]);
		mina = min(mina, a[i]);
		soma += a[i];
	}
	for(int i = 1; i <= m; i++) scanf("%d", &b[i]);
	if(mina < k){
		printf("Impossible\n");
		return 0;
	}

	if(k == 1){
		dp[0] = 1;
		for(int i = 1; i <= m; i++){
			for(int j = 90000 - b[i]; j >= 0; j--){
				dp[j + b[i]] |= dp[j];
			}
		}
		for(int i = soma; i <= 90000; i++){
			if(dp[i]){
				printf("%d\n", i -soma);
				return 0;
			}
		}
		printf("Impossible\n");
	}
	else{
		int ans = 1e9 + 7;
		for(int i = 0; i <(1<<m); i++){
			if(__builtin_popcount(i) < k) continue;
			int lsoma = 0;
			int chefmin = n*k;
			int cheftot = 0;
			for(int j = 1; j <= m; j++){
				if((1<<(j-1))&i) lsoma += b[j],cheftot += min(n,b[j]); 
			}
			if(cheftot >= chefmin && lsoma >= soma){
				ans = min(lsoma - soma, ans);
			}
		}
		if(ans == 1e9 + 7){
			printf("Impossible\n");
			return 0;
		}
		printf("%d\n", ans);
	}
}

Compilation message

kitchen.cpp: In function 'int main()':
kitchen.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |  scanf("%d %d %d", &n, &m, &k);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
kitchen.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |   scanf("%d", &a[i]);
      |   ~~~~~^~~~~~~~~~~~~
kitchen.cpp:16:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |  for(int i = 1; i <= m; i++) scanf("%d", &b[i]);
      |                              ~~~~~^~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 640 KB Output is correct
2 Correct 1 ms 640 KB Output is correct
3 Correct 1 ms 640 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 640 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 640 KB Output is correct

Subtask #2
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 640 KB Output is correct
2 Correct 1 ms 640 KB Output is correct
3 Correct 1 ms 640 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 640 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 640 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 3 ms 256 KB Output is correct
13 Correct 2 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 640 KB Output is correct
2 Correct 11 ms 640 KB Output is correct
3 Correct 15 ms 640 KB Output is correct
4 Correct 15 ms 640 KB Output is correct
5 Correct 15 ms 640 KB Output is correct
6 Correct 11 ms 640 KB Output is correct

Subtask #4
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 640 KB Output is correct
2 Correct 1 ms 640 KB Output is correct
3 Correct 1 ms 640 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 640 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 640 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 3 ms 256 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 13 ms 640 KB Output is correct
15 Correct 11 ms 640 KB Output is correct
16 Correct 15 ms 640 KB Output is correct
17 Correct 15 ms 640 KB Output is correct
18 Correct 15 ms 640 KB Output is correct
19 Correct 11 ms 640 KB Output is correct
20 Incorrect 0 ms 256 KB Output isn't correct
21 Halted 0 ms 0 KB -