제출 #205742

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
205742		cheetose	Kitchen (BOI19_kitchen)	C++11	51 / 100	215 ms	3832 KiB

kitchen

#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define y0 y12
#define y1 y22
#define INF 987654321
#define PI 3.141592653589793238462643383279502884
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset((a),0,sizeof(a));
#define MEM_1(a) memset((a),-1,sizeof(a));
#define ALL(a) a.begin(),a.end()
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<ld, ld> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<ld> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const int MOD = 42043;
ll POW(ll a, ll b, ll MMM = MOD) { ll ret = 1; for (; b; b >>= 1, a = (a*a) % MMM)if (b & 1)ret = (ret*a) % MMM; return ret; }
ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
ll lcm(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a*(b / gcd(a, b)); }
int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 };
int ddx[] = { -1,-2,1,-2,2,-1,2,1 }, ddy[] = { -2,-1,-2,1,-1,2,1,2 };

int a[303];
bitset<90001> bs[303];
int main() {
	int n,m,k;
	scanf("%d%d%d",&n,&m,&k);
	if(m<k)return !printf("Impossible");
	int sum=0;
	fup(i,0,n-1,1)
	{
		int x;
		scanf("%d",&x);
		if(x<k)return !printf("Impossible");
		sum+=x;
	}
	fup(i,1,m,1)
	{
		scanf("%d",a+i);
		if(m==k && a[i]<n)return !printf("Impossible");
	}
	sort(a+1,a+m+1);
	int ans=INF,tt=0;
	bs[0][0]=1;
	bitset<90001> res=1;
	fup(i,1,m,1)
	{
		int tmp=max((k-1)*n+a[i],sum)-a[i];
		fup(x,tmp,tt,1)
		{
			if(res[x])
			{
				ans=min(ans,x+a[i]-sum);
				break;
			}
		}
		tt+=a[i];
		fdn(x,i,1,1)bs[x]|=bs[x-1]<<a[i];
		bitset<90001> tbs;
		fup(x,k-1,i,1)tbs|=bs[x];
		res=tbs;
	}
	if(ans==INF)return !printf("Impossible");
	printf("%d",ans);
}

컴파일 시 표준 에러 (stderr) 메시지

kitchen.cpp: In function 'int main()':
kitchen.cpp:48:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d",&n,&m,&k);
  ~~~~~^~~~~~~~~~~~~~~~~~~
kitchen.cpp:54:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&x);
   ~~~~~^~~~~~~~~
kitchen.cpp:60:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",a+i);
   ~~~~~^~~~~~~~~~

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