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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#233481#5359. 面国建设xyz12349 495ms54420kbC++142.5kb2023-10-31 18:12:052023-10-31 18:12:05

Judging History

你现在查看的是最新测评结果

  • [2023-10-31 18:12:05]
  • 评测
  • 测评结果:49
  • 用时:495ms
  • 内存:54420kb
  • [2023-10-31 18:12:05]
  • 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[1000001];
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;}
vector<long long> qu[1000001];
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;
	d[1]=2;g[1]=2;
	for(int i=2;i<=6000;i++)
	{
		d[i]=g[i]=1e9;
		for(int j=1;j<=i/2;j++)
		{
			g[i]=min(g[i],g[j]+g[i-j]);
		}
		for(int j=1;j<=i/2;j++)
		{
			for(int k=0;k<qu[j].size();k++)
			{
				for(int m=0;m<qu[i-j].size();m++)
				{
					v[qu[j][k]+qu[i-j][m]]=1;
				}
			}
		}
		for(int j=1;j<i;j++)
		{
			for(int k=0;k<qu[i-j].size();k++)
			{
				for(int m=g[j];m<=j*2&&m+qu[i-j][k]<g[i];m++)
				{
					v[m+qu[i-j][k]]=1;
				}
			}
		}
		for(int j=sqrt(i);j>=1;j--)
		{
			if(i%j==0)
			{
				if(j+i/j<g[i]) v[j+i/j]=1;
			}
		}
		while(v[g[i]-1])
		{
			--g[i];v[g[i]]=0;
		}
		for(int j=1;j<g[i];j++) if(v[j]) qu[i].push_back(j);
		for(int j=0;j<qu[i].size();j++) v[qu[i][j]]=0;
		for(int j=1;j<=i/2;j++)
		{
			for(int k=0;k<qu[j].size();k++)
			{
				for(int m=0;m<qu[i-j].size();m++)
				{
					v[qu[j][k]+qu[i-j][m]]=0;
				}
			}
		}
		for(int j=1;j<i;j++)
		{
			for(int k=0;k<qu[i-j].size();k++)
			{
				for(int m=g[j];m<=j*2&&m+qu[i-j][k]<=g[i];m++)
				{
					v[m+qu[i-j][k]]=0;
				}
			}
		}
	}
	scanf("%lld%lld",&a,&b);b/=2;
	for(int i=1;i<=a;i++)
	{
		long long gg=min((long long)(i*2),b);
		if(gg>=g[i]) an+=gg-g[i]+1;
		for(int j=0;j<qu[i].size();j++)
		{
			if(qu[i][j]<=gg&&qu[i][j]<g[i]) ++an;
		}
	}
	printf("%lld",an);
	return 0;
}

詳細信息

Subtask #1:

score: 6
Accepted

Test #1:

score: 6
Accepted
time: 491ms
memory: 54040kb

input:

4 10

output:

7

result:

ok single line: '7'

Test #2:

score: 0
Accepted
time: 490ms
memory: 51156kb

input:

7 2

output:

0

result:

ok single line: '0'

Test #3:

score: 0
Accepted
time: 486ms
memory: 50876kb

input:

6 6

output:

2

result:

ok single line: '2'

Test #4:

score: 0
Accepted
time: 495ms
memory: 53988kb

input:

10 7

output:

2

result:

ok single line: '2'

Test #5:

score: 0
Accepted
time: 484ms
memory: 53908kb

input:

8 10

output:

8

result:

ok single line: '8'

Test #6:

score: 0
Accepted
time: 493ms
memory: 53720kb

input:

10 8

output:

5

result:

ok single line: '5'

Subtask #2:

score: 12
Accepted

Dependency #1:

100%
Accepted

Test #7:

score: 12
Accepted
time: 493ms
memory: 53772kb

input:

399 994

output:

125266

result:

ok single line: '125266'

Test #8:

score: 0
Accepted
time: 491ms
memory: 53780kb

input:

742 645

output:

184225

result:

ok single line: '184225'

Test #9:

score: 0
Accepted
time: 483ms
memory: 54420kb

input:

932 900

output:

328424

result:

ok single line: '328424'

Test #10:

score: 0
Accepted
time: 491ms
memory: 53840kb

input:

943 971

output:

357500

result:

ok single line: '357500'

Test #11:

score: 0
Accepted
time: 494ms
memory: 50992kb

input:

955 897

output:

335817

result:

ok single line: '335817'

Test #12:

score: 0
Accepted
time: 482ms
memory: 52124kb

input:

903 971

output:

340678

result:

ok single line: '340678'

Test #13:

score: 0
Accepted
time: 482ms
memory: 53332kb

input:

954 978

output:

364964

result:

ok single line: '364964'

Test #14:

score: 0
Accepted
time: 490ms
memory: 53540kb

input:

908 902

output:

319849

result:

ok single line: '319849'

Test #15:

score: 0
Accepted
time: 486ms
memory: 53180kb

input:

934 908

output:

332030

result:

ok single line: '332030'

Test #16:

score: 0
Accepted
time: 495ms
memory: 50396kb

input:

961 924

output:

348391

result:

ok single line: '348391'

Subtask #3:

score: 31
Accepted

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Test #17:

score: 31
Accepted
time: 492ms
memory: 52348kb

input:

1951 2977

output:

2228950

result:

ok single line: '2228950'

Test #18:

score: 0
Accepted
time: 491ms
memory: 50560kb

input:

4626 5415

output:

10254469

result:

ok single line: '10254469'

Test #19:

score: 0
Accepted
time: 482ms
memory: 51064kb

input:

5983 4766

output:

12197679

result:

ok single line: '12197679'

Test #20:

score: 0
Accepted
time: 482ms
memory: 50456kb

input:

5094 5425

output:

11472637

result:

ok single line: '11472637'

Test #21:

score: 0
Accepted
time: 490ms
memory: 50632kb

input:

5598 4989

output:

11826716

result:

ok single line: '11826716'

Test #22:

score: 0
Accepted
time: 482ms
memory: 50516kb

input:

5577 5188

output:

12208146

result:

ok single line: '12208146'

Test #23:

score: 0
Accepted
time: 484ms
memory: 50580kb

input:

5688 5804

output:

13807758

result:

ok single line: '13807758'

Test #24:

score: 0
Accepted
time: 492ms
memory: 54108kb

input:

5856 5309

output:

13161066

result:

ok single line: '13161066'

Test #25:

score: 0
Accepted
time: 488ms
memory: 50624kb

input:

5378 5859

output:

13061554

result:

ok single line: '13061554'

Test #26:

score: 0
Accepted
time: 490ms
memory: 53800kb

input:

5729 5635

output:

13554877

result:

ok single line: '13554877'

Subtask #4:

score: 0
Wrong Answer

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Dependency #3:

100%
Accepted

Test #27:

score: 0
Wrong Answer
time: 491ms
memory: 53796kb

input:

177004 361104

output:

23808287277

result:

wrong answer 1st lines differ - expected: '23708315017', found: '23808287277'