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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
#501089#9158. 分数Kalenist100 ✓3537ms3948kbC++14958b2024-08-02 14:01:492024-08-02 14:01:50

Judging History

你现在查看的是最新测评结果

  • [2024-08-02 14:01:50]
  • 评测
  • 测评结果:100
  • 用时:3537ms
  • 内存:3948kb
  • [2024-08-02 14:01:49]
  • 提交

answer

#include<bits/stdc++.h>
#define ll long long
#define For(i,a,b) for(register int i=a;i<=b;i++)
using namespace std;
ll n,m,ans;
inline void calc(int mn,int a,int b,int c,int d)
{
    int va=a?(n-b)/a:0x3f3f3f3f;
    int vb=c?(m-d)/c:0x3f3f3f3f;
    int vc=c?(n-d)/c:0x3f3f3f3f;
    ans+=max(0,min(va,vb)-mn+1)+max(0,vc-mn+1);
    For(i,1,m)
    {
        ll na=c,nb=d,nc=2ll*i*c+a,nd=2ll*i*d+b,nx=max(mn,i+1);
        if(1ll*na*nx+nb > n || 1ll*nc*nx+nd > m) break;
        calc(nx,na,nb,nc,nd);
    }
    return;
}

inline void dfs(int mn,int a,int b)
{
    For(i,1,m)
    {
        ll na=b,nb=2ll*i*b+a,nx=max(mn,i);
        if(nb > n || 2ll*nx*nb+na > m) break;
        dfs(nx,na,nb);
    }
    return calc(mn,0,b,b<<1,a);
}

int main()
{
    scanf("%lld%lld",&n,&m);
    if(n > m) swap(n,m);
    calc(1,0,1,2,0);
    int lim=sqrt(m-1>>2);
    For(i,1,lim) dfs(i,1,i<<1);
    printf("%lld\n",ans);
    return 0;
}

詳細信息


Pretests

Pretest #1:

score: 5
Accepted
time: 0ms
memory: 3796kb

input:

99 99

output:

406

result:

ok 1 number(s): "406"

Pretest #2:

score: 5
Accepted
time: 0ms
memory: 3804kb

input:

98 97

output:

405

result:

ok 1 number(s): "405"

Pretest #3:

score: 5
Accepted
time: 0ms
memory: 3772kb

input:

99 96

output:

396

result:

ok 1 number(s): "396"

Pretest #4:

score: 5
Accepted
time: 0ms
memory: 3768kb

input:

995 977

output:

11153

result:

ok 1 number(s): "11153"

Pretest #5:

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

input:

991 990

output:

11220

result:

ok 1 number(s): "11220"

Pretest #6:

score: 5
Accepted
time: 0ms
memory: 3804kb

input:

976 968

output:

10900

result:

ok 1 number(s): "10900"

Pretest #7:

score: 5
Accepted
time: 0ms
memory: 3768kb

input:

7602 7864

output:

215706

result:

ok 1 number(s): "215706"

Pretest #8:

score: 5
Accepted
time: 0ms
memory: 3948kb

input:

7959 7735

output:

220256

result:

ok 1 number(s): "220256"

Pretest #9:

score: 5
Accepted
time: 0ms
memory: 3816kb

input:

7878 7863

output:

221162

result:

ok 1 number(s): "221162"

Pretest #10:

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

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: 3868kb

input:

98051 99642

output:

8439713

result:

ok 1 number(s): "8439713"

Pretest #13:

score: 5
Accepted
time: 2ms
memory: 3884kb

input:

95624 96007

output:

8068127

result:

ok 1 number(s): "8068127"

Pretest #14:

score: 5
Accepted
time: 2ms
memory: 3884kb

input:

99208 98047

output:

8412610

result:

ok 1 number(s): "8412610"

Pretest #15:

score: 5
Accepted
time: 40ms
memory: 3944kb

input:

997417 967722

output:

229917323

result:

ok 1 number(s): "229917323"

Pretest #16:

score: 5
Accepted
time: 37ms
memory: 3808kb

input:

987807 956529

output:

226426912

result:

ok 1 number(s): "226426912"

Pretest #17:

score: 5
Accepted
time: 39ms
memory: 3756kb

input:

971654 984345

output:

228363805

result:

ok 1 number(s): "228363805"

Pretest #18:

score: 5
Accepted
time: 615ms
memory: 3940kb

input:

7892259 7983727

output:

4647501224

result:

ok 1 number(s): "4647501224"

Pretest #19:

score: 5
Accepted
time: 2857ms
memory: 3804kb

input:

7937869 29796968

output:

15197555613

result:

ok 1 number(s): "15197555613"

Pretest #20:

score: 5
Accepted
time: 3537ms
memory: 3880kb

input:

29717543 29510173

output:

30904211576

result:

ok 1 number(s): "30904211576"


Final Tests

Test #1:

score: 5
Accepted
time: 0ms
memory: 3732kb

input:

96 98

output:

396

result:

ok 1 number(s): "396"

Test #2:

score: 5
Accepted
time: 0ms
memory: 3796kb

input:

100 99

output:

408

result:

ok 1 number(s): "408"

Test #3:

score: 5
Accepted
time: 0ms
memory: 3884kb

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: 3804kb

input:

958 974

output:

10795

result:

ok 1 number(s): "10795"

Test #6:

score: 5
Accepted
time: 0ms
memory: 3948kb

input:

966 990

output:

11003

result:

ok 1 number(s): "11003"

Test #7:

score: 5
Accepted
time: 0ms
memory: 3804kb

input:

7958 7947

output:

224482

result:

ok 1 number(s): "224482"

Test #8:

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

input:

7623 7730

output:

213444

result:

ok 1 number(s): "213444"

Test #9:

score: 5
Accepted
time: 0ms
memory: 3800kb

input:

7845 7783

output:

218916

result:

ok 1 number(s): "218916"

Test #10:

score: 5
Accepted
time: 0ms
memory: 3916kb

input:

7881 7773

output:

219451

result:

ok 1 number(s): "219451"

Test #11:

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

input:

99414 98698

output:

8465217

result:

ok 1 number(s): "8465217"

Test #12:

score: 5
Accepted
time: 0ms
memory: 3816kb

input:

98249 96148

output:

8237486

result:

ok 1 number(s): "8237486"

Test #13:

score: 5
Accepted
time: 2ms
memory: 3944kb

input:

99003 96832

output:

8324931

result:

ok 1 number(s): "8324931"

Test #14:

score: 5
Accepted
time: 2ms
memory: 3948kb

input:

98266 96030

output:

8231065

result:

ok 1 number(s): "8231065"

Test #15:

score: 5
Accepted
time: 38ms
memory: 3760kb

input:

968207 958885

output:

223522215

result:

ok 1 number(s): "223522215"

Test #16:

score: 5
Accepted
time: 40ms
memory: 3868kb

input:

959846 998397

output:

228770873

result:

ok 1 number(s): "228770873"

Test #17:

score: 5
Accepted
time: 34ms
memory: 3888kb

input:

965821 972280

output:

225359210

result:

ok 1 number(s): "225359210"

Test #18:

score: 5
Accepted
time: 615ms
memory: 3768kb

input:

7855098 7962479

output:

4622947400

result:

ok 1 number(s): "4622947400"

Test #19:

score: 5
Accepted
time: 2839ms
memory: 3764kb

input:

7841076 29648718

output:

15040798710

result:

ok 1 number(s): "15040798710"

Test #20:

score: 5
Accepted
time: 3499ms
memory: 3944kb

input:

29365129 29012208

output:

30267839959

result:

ok 1 number(s): "30267839959"

Extra Test:

score: 0
Extra Test Passed