제출 #166684

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
166684		abil	Bootfall (IZhO17_bootfall)	C++14	13 / 100	1068 ms	620 KiB

bootfall

#include <bits/stdc++.h>

#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define all(s) s.begin(),s.end()
//#define int long long

using namespace std;

const int N = (1e6 + 12);
const int mod = (1e9 + 7);
const int INF = (0x3f3f3f3f);

int a[N];
set<int > s;
main()
{
	int n, sum = 0;
	scanf("%d", &n);
	for(int i = 0;i < n; i++){
		scanf("%d", &a[i]);
		sum += a[i];
	}
	n++;
	for(int i = 1;i <= sum; i++){
		a[n - 1] = i;
		sum += i;
		bool f = true;
		for(int q = 0;q < n; q++){
			vector<bool > dp(N,false);
			dp[0] = true;
			for(int j = 0;j < n; j++){
				if(j == q){
					continue;
				}
				for(int k = sum - a[j];k >= 0; k--){
					if(dp[k]){
						dp[k + a[j]] = true;
					}
				}
			}
			if(!dp[(sum - a[q]) / 2] || (sum - a[q]) % 2 == 1){
				f = false;
				break;
			}
		}
		sum -= i;
		if(f){
			s.insert(i);
		}
	}
	cout << s.size() << endl;
	for(auto to : s){
		cout << to << " ";
	}
}

컴파일 시 표준 에러 (stderr) 메시지

bootfall.cpp:18:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
bootfall.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 0 / 15
• Subtask 4: 0 / 16
• Subtask 5: 0 / 21
• Subtask 6: 0 / 35