제출 #920925

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
920925		shoryu386	Kitchen (BOI19_kitchen)	C++17	0 / 100	1 ms	348 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;

main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	
	int n, m, k; cin >> n >> m >> k;
	
	int buckets[n], balls[m];
	
	for (int x = 0; x < n; x++) cin >> buckets[x];
	for (int x = 0; x < m; x++) cin >> balls[x];
	
	if (k == 1){
		//subtask 3
		#define BSMAX 100000
		//300^2
		
		bitset<BSMAX> bs;
		bs[0] = 1;
		
		for (int x = 0; x < m; x++){
			bs |= (bs << balls[x]);
		}
		
		int bucketsum = 0;
		for (int x = 0; x < n; x++){
			bucketsum += buckets[x];
		}
		
		int ans = -1;
		for (int x = bucketsum; x < BSMAX; x++){
			if (bs[x]){
				ans = x-bucketsum;
				break;
			}
		}
		
		if (ans == -1) cout << "IMPOSSIBLE";
		else cout << ans;
	}
}

컴파일 시 표준 에러 (stderr) 메시지

kitchen.cpp:4:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    4 | main(){
      | ^~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 28