QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#501089 | #9158. 分数 | Kalenist | 100 ✓ | 3537ms | 3948kb | C++14 | 958b | 2024-08-02 14:01:49 | 2024-08-02 14:01:50 |
Judging History
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;
}
Details
Tip: Click on the bar to expand more detailed information
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