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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
#503062#9158. 分数Flamire100 ✓3702ms4168kbC++201.1kb2024-08-03 16:07:562024-08-03 16:07:56

Judging History

你现在查看的是最新测评结果

  • [2024-08-03 16:07:56]
  • 评测
  • 测评结果:100
  • 用时:3702ms
  • 内存:4168kb
  • [2024-08-03 16:07:56]
  • 提交

answer

#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
using namespace std;
int n,m;ll ans,CNT;
int fdiv(int p,int q){if(!q)return 2e9;return (p+(p<0))/q-(p<0);}
void dfs1(int a,int b,int c,int d,int u,int lst,bool flg=0)
{//printf("dfs1(%du+%d,%du+%d,%d,%d,%d)\n",a,b,c,d,u,lst,flg);
	// if(1ll*a*u+b>n||1ll*c*u+d>m)return;
	int mu=min(a?(n-b)/a:m,(m-d)/c),nu=(n-d)/c;
	ans+=max(0,mu-u+1)+max(0,nu-u+1);
	// printf("ans:%lld\n",ans);
	if(!flg&&1ll*(c+2*a)*u+d+2*b<=m)dfs1(a,b,c+2*a,d+2*b,max(lst+1,u),lst+1);
	if(1ll*c*u+d<=n&&(2ll*c+a)*u+2*d+b<=m)dfs1(c,d,2*c+a,2*d+b,u,0);
}
void dfs2(int a,int b,int u)
{//printf("dfs2(%d/%d,%d,%d)\n",a,b,u,lst);
	dfs1(0,a,2*a,b,u,0,1);
	for(int k=0;;++k)
	{
		int ta=b+2*a*k,tb=2*b+(4*k+1)*a;
		int nu=max(u,k+1);
		if(ta<=n&&tb+2ll*nu*ta<=m)dfs2(ta,tb,nu);
		else break;
	}
}
void dfs3(int a,int b)
{
	if(a>n||b>m)return;
	if(b<=n)ans+=2;else ans+=1;
	dfs3(b,2*b+a);
}
int main()
{
	scanf("%d%d",&n,&m);
	if(n>m)swap(n,m);
	dfs2(1,2,1);dfs3(1,2);
	printf("%lld\n",ans);
	fclose(stdin);fclose(stdout);return 0;
}

详细


Pretests

Pretest #1:

score: 5
Accepted
time: 0ms
memory: 3944kb

input:

99 99

output:

406

result:

ok 1 number(s): "406"

Pretest #2:

score: 5
Accepted
time: 0ms
memory: 3860kb

input:

98 97

output:

405

result:

ok 1 number(s): "405"

Pretest #3:

score: 5
Accepted
time: 0ms
memory: 3872kb

input:

99 96

output:

396

result:

ok 1 number(s): "396"

Pretest #4:

score: 5
Accepted
time: 0ms
memory: 3756kb

input:

995 977

output:

11153

result:

ok 1 number(s): "11153"

Pretest #5:

score: 5
Accepted
time: 0ms
memory: 3792kb

input:

991 990

output:

11220

result:

ok 1 number(s): "11220"

Pretest #6:

score: 5
Accepted
time: 0ms
memory: 3788kb

input:

976 968

output:

10900

result:

ok 1 number(s): "10900"

Pretest #7:

score: 5
Accepted
time: 0ms
memory: 3860kb

input:

7602 7864

output:

215706

result:

ok 1 number(s): "215706"

Pretest #8:

score: 5
Accepted
time: 0ms
memory: 3944kb

input:

7959 7735

output:

220256

result:

ok 1 number(s): "220256"

Pretest #9:

score: 5
Accepted
time: 0ms
memory: 3868kb

input:

7878 7863

output:

221162

result:

ok 1 number(s): "221162"

Pretest #10:

score: 5
Accepted
time: 0ms
memory: 3868kb

input:

7788 7658

output:

215323

result:

ok 1 number(s): "215323"

Pretest #11:

score: 5
Accepted
time: 2ms
memory: 3880kb

input:

95399 99767

output:

8285295

result:

ok 1 number(s): "8285295"

Pretest #12:

score: 5
Accepted
time: 2ms
memory: 3952kb

input:

98051 99642

output:

8439713

result:

ok 1 number(s): "8439713"

Pretest #13:

score: 5
Accepted
time: 2ms
memory: 3900kb

input:

95624 96007

output:

8068127

result:

ok 1 number(s): "8068127"

Pretest #14:

score: 5
Accepted
time: 2ms
memory: 3888kb

input:

99208 98047

output:

8412610

result:

ok 1 number(s): "8412610"

Pretest #15:

score: 5
Accepted
time: 38ms
memory: 3804kb

input:

997417 967722

output:

229917323

result:

ok 1 number(s): "229917323"

Pretest #16:

score: 5
Accepted
time: 41ms
memory: 3924kb

input:

987807 956529

output:

226426912

result:

ok 1 number(s): "226426912"

Pretest #17:

score: 5
Accepted
time: 40ms
memory: 3840kb

input:

971654 984345

output:

228363805

result:

ok 1 number(s): "228363805"

Pretest #18:

score: 5
Accepted
time: 641ms
memory: 3936kb

input:

7892259 7983727

output:

4647501224

result:

ok 1 number(s): "4647501224"

Pretest #19:

score: 5
Accepted
time: 2939ms
memory: 4044kb

input:

7937869 29796968

output:

15197555613

result:

ok 1 number(s): "15197555613"

Pretest #20:

score: 5
Accepted
time: 3702ms
memory: 4100kb

input:

29717543 29510173

output:

30904211576

result:

ok 1 number(s): "30904211576"


Final Tests

Test #1:

score: 5
Accepted
time: 0ms
memory: 3812kb

input:

96 98

output:

396

result:

ok 1 number(s): "396"

Test #2:

score: 5
Accepted
time: 0ms
memory: 3880kb

input:

100 99

output:

408

result:

ok 1 number(s): "408"

Test #3:

score: 5
Accepted
time: 0ms
memory: 3860kb

input:

99 99

output:

406

result:

ok 1 number(s): "406"

Test #4:

score: 5
Accepted
time: 0ms
memory: 3876kb

input:

963 951

output:

10634

result:

ok 1 number(s): "10634"

Test #5:

score: 5
Accepted
time: 0ms
memory: 3880kb

input:

958 974

output:

10795

result:

ok 1 number(s): "10795"

Test #6:

score: 5
Accepted
time: 0ms
memory: 3880kb

input:

966 990

output:

11003

result:

ok 1 number(s): "11003"

Test #7:

score: 5
Accepted
time: 0ms
memory: 3876kb

input:

7958 7947

output:

224482

result:

ok 1 number(s): "224482"

Test #8:

score: 5
Accepted
time: 0ms
memory: 3912kb

input:

7623 7730

output:

213444

result:

ok 1 number(s): "213444"

Test #9:

score: 5
Accepted
time: 0ms
memory: 3788kb

input:

7845 7783

output:

218916

result:

ok 1 number(s): "218916"

Test #10:

score: 5
Accepted
time: 0ms
memory: 3752kb

input:

7881 7773

output:

219451

result:

ok 1 number(s): "219451"

Test #11:

score: 5
Accepted
time: 0ms
memory: 3892kb

input:

99414 98698

output:

8465217

result:

ok 1 number(s): "8465217"

Test #12:

score: 5
Accepted
time: 2ms
memory: 3804kb

input:

98249 96148

output:

8237486

result:

ok 1 number(s): "8237486"

Test #13:

score: 5
Accepted
time: 0ms
memory: 3812kb

input:

99003 96832

output:

8324931

result:

ok 1 number(s): "8324931"

Test #14:

score: 5
Accepted
time: 2ms
memory: 3888kb

input:

98266 96030

output:

8231065

result:

ok 1 number(s): "8231065"

Test #15:

score: 5
Accepted
time: 39ms
memory: 3844kb

input:

968207 958885

output:

223522215

result:

ok 1 number(s): "223522215"

Test #16:

score: 5
Accepted
time: 41ms
memory: 3836kb

input:

959846 998397

output:

228770873

result:

ok 1 number(s): "228770873"

Test #17:

score: 5
Accepted
time: 39ms
memory: 3840kb

input:

965821 972280

output:

225359210

result:

ok 1 number(s): "225359210"

Test #18:

score: 5
Accepted
time: 638ms
memory: 3948kb

input:

7855098 7962479

output:

4622947400

result:

ok 1 number(s): "4622947400"

Test #19:

score: 5
Accepted
time: 2923ms
memory: 4168kb

input:

7841076 29648718

output:

15040798710

result:

ok 1 number(s): "15040798710"

Test #20:

score: 5
Accepted
time: 3664ms
memory: 4160kb

input:

29365129 29012208

output:

30267839959

result:

ok 1 number(s): "30267839959"

Extra Test:

score: 0
Extra Test Passed