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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#220437#7613. Inverse Problemucup-team2303#TL 0ms0kbC++142.0kb2023-10-20 12:54:052023-10-20 12:54:06

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  • [2023-10-20 12:54:06]
  • 评测
  • 测评结果:TL
  • 用时:0ms
  • 内存:0kb
  • [2023-10-20 12:54:05]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const long long mod=1e9+7;
long long T,a,b,c,d[1000001],v[1000001],o,h[1000001],fa[1000001],q,w,e,an,cn,fac[1000001],inv[1000001],st[1000001],u[1000001],g[100001],lim=1e15;
char s[1000001];
struct p{long long q,w;}l[1000001];
long long pow_(long long qq,long long ww){long long ee=1;while(ww){if(ww&1) ee*=qq,ee%=mod;qq*=qq,qq%=mod,ww>>=1;}return ee%mod;}
inline int read(){int x=0,f=1;char c=getchar();while(c<'0'||c>'9'){if(c=='-')f=-1;c=getchar();}while(c>='0'&&c<='9'){x=(x<<3)+(x<<1)+c-'0';c=getchar();}return x*f;}
void add(long long qq,long long ww){l[++o].q=ww,l[o].w=h[qq],h[qq]=o;}
long long gcd(long long qq,long long ww){return !ww?qq:gcd(ww,qq%ww);}
long long find(long long qq){return qq==fa[qq]?qq:fa[qq]=find(fa[qq]);}
void merge(long long qq,long long ww){long long f1=find(qq),f2=find(ww);if(f1==f2) return;fa[f1]=f2;}
long long C(long long qq,long long ww){return fac[qq]*inv[ww]%mod*inv[qq-ww]%mod;}
bool ch(long long qq)
{
	for(int i=0;i<=60;i++) v[i]=g[i]=0;
	for(int i=a;i>a-qq;i--)
	{
		if(d[i]>0) g[d[i]-1]++;
	}
	for(int i=1;i<=a-qq;i++)
	{
		v[d[i]]++;
	}
	for(int i=50;i>=0;i--)
	{
		if(g[i]<v[i]) return 0;
		if(i>0) g[i-1]+=v[i];
		g[i]-=v[i],v[i]=0;
		if(i>0) g[i-1]=min(lim,g[i-1]+g[i]*2);
	}
	return 1;
}
int main()
{
//	freopen("1.in","r",stdin);
	srand((unsigned)(time(0)^(*new int)));
	fac[0]=1;for(int i=1;i<=1000000;i++) fac[i]=fac[i-1]*i%mod;
	inv[1000000]=pow_(fac[1000000],mod-2);for(int i=999999;i>=0;i--) inv[i]=inv[i+1]*(i+1)%mod;
	T=1;
	scanf("%lld",&T);
	for(int ii=1;ii<=T;ii++)
	{
		scanf("%lld",&a);
		for(int i=1;i<=a;i++) d[i]=read();
		sort(d+1,d+a+1);
		for(int i=0;i<=60;i++) v[i]=g[i]=0;
		for(int i=1;i<=a;i++)
		{
			long long tt=d[i];cn=0;
			while(tt%2==0) tt/=2,++cn;
			d[i]=cn;
		}an=0;
		long long ll=1,rr=a;an=0;
		while(ll<=rr)
		{
			long long mid=((ll+rr)>>1);
			if(!ch(mid)) ll=mid+1;
			else rr=mid-1,an=mid;
		}
		printf("%lld\n",an);
	}
	return 0;
}

Details

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Test #1:

score: 0
Time Limit Exceeded

input:

4
2
360
1
509949433

output:


result: