QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#503006 | #9158. 分数 | Flamire | 50 | 1ms | 4028kb | C++20 | 1005b | 2024-08-03 15:47:35 | 2024-08-03 15:47:49 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
using namespace std;
int n,m;ll ans;
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(a*u+b>n||c*u+d>m)return;
int mu=min(fdiv(n-b,a),fdiv(m-d,c)),nu=fdiv(n-d,c);
ans+=max(0,mu-u+1)+max(0,nu-u+1);
// printf("ans:%lld\n",ans);
if(!flg)dfs1(a,b,c+2*a,d+2*b,max(lst+1,u),lst+1);
dfs1(c,d,2*c+a,2*d+b,u,0);
}
void dfs2(int a,int b,int u,int lst)
{//printf("dfs2(%d/%d,%d,%d)\n",a,b,u,lst);
if(a>n||b>m||b+2*u*a>m)return;
if(!lst)dfs1(0,a,2*a,b,u,0,1);
dfs2(a,2*a+b,max(u,lst+2),lst+1);
dfs2(b,2*b+a,u,0);
}
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(1,2,1,0);dfs3(1,2);
printf("%lld\n",ans);
fclose(stdin);fclose(stdout);return 0;
}
Details
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Pretests
Pretest #1:
score: 5
Accepted
time: 0ms
memory: 3848kb
input:
99 99
output:
406
result:
ok 1 number(s): "406"
Pretest #2:
score: 5
Accepted
time: 0ms
memory: 3876kb
input:
98 97
output:
405
result:
ok 1 number(s): "405"
Pretest #3:
score: 5
Accepted
time: 0ms
memory: 3880kb
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: 1ms
memory: 3880kb
input:
991 990
output:
11220
result:
ok 1 number(s): "11220"
Pretest #6:
score: 5
Accepted
time: 0ms
memory: 3876kb
input:
976 968
output:
10900
result:
ok 1 number(s): "10900"
Pretest #7:
score: 5
Accepted
time: 1ms
memory: 4028kb
input:
7602 7864
output:
215706
result:
ok 1 number(s): "215706"
Pretest #8:
score: 5
Accepted
time: 1ms
memory: 3872kb
input:
7959 7735
output:
220256
result:
ok 1 number(s): "220256"
Pretest #9:
score: 5
Accepted
time: 1ms
memory: 3968kb
input:
7878 7863
output:
221162
result:
ok 1 number(s): "221162"
Pretest #10:
score: 5
Accepted
time: 0ms
memory: 3872kb
input:
7788 7658
output:
215323
result:
ok 1 number(s): "215323"
Pretest #11:
score: 0
Memory Limit Exceeded
input:
95399 99767
output:
result:
Pretest #12:
score: 0
Memory Limit Exceeded
input:
98051 99642
output:
result:
Pretest #13:
score: 0
Memory Limit Exceeded
input:
95624 96007
output:
result:
Pretest #14:
score: 0
Memory Limit Exceeded
input:
99208 98047
output:
result:
Pretest #15:
score: 0
Memory Limit Exceeded
input:
997417 967722
output:
result:
Pretest #16:
score: 0
Memory Limit Exceeded
input:
987807 956529
output:
result:
Pretest #17:
score: 0
Memory Limit Exceeded
input:
971654 984345
output:
result:
Pretest #18:
score: 0
Memory Limit Exceeded
input:
7892259 7983727
output:
result:
Pretest #19:
score: 0
Memory Limit Exceeded
input:
7937869 29796968
output:
result:
Pretest #20:
score: 0
Memory Limit Exceeded
input:
29717543 29510173
output:
result:
Final Tests
Test #1:
score: 5
Accepted
time: 0ms
memory: 3884kb
input:
96 98
output:
396
result:
ok 1 number(s): "396"
Test #2:
score: 5
Accepted
time: 0ms
memory: 3804kb
input:
100 99
output:
408
result:
ok 1 number(s): "408"
Test #3:
score: 5
Accepted
time: 0ms
memory: 3948kb
input:
99 99
output:
406
result:
ok 1 number(s): "406"
Test #4:
score: 5
Accepted
time: 0ms
memory: 3796kb
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: 3952kb
input:
966 990
output:
11003
result:
ok 1 number(s): "11003"
Test #7:
score: 5
Accepted
time: 0ms
memory: 3928kb
input:
7958 7947
output:
224482
result:
ok 1 number(s): "224482"
Test #8:
score: 5
Accepted
time: 0ms
memory: 3896kb
input:
7623 7730
output:
213444
result:
ok 1 number(s): "213444"
Test #9:
score: 5
Accepted
time: 1ms
memory: 3948kb
input:
7845 7783
output:
218916
result:
ok 1 number(s): "218916"
Test #10:
score: 5
Accepted
time: 1ms
memory: 3948kb
input:
7881 7773
output:
219451
result:
ok 1 number(s): "219451"
Test #11:
score: 0
Memory Limit Exceeded
input:
99414 98698
output:
result:
Test #12:
score: 0
Memory Limit Exceeded
input:
98249 96148
output:
result:
Test #13:
score: 0
Memory Limit Exceeded
input:
99003 96832
output:
result:
Test #14:
score: 0
Memory Limit Exceeded
input:
98266 96030
output:
result:
Test #15:
score: 0
Memory Limit Exceeded
input:
968207 958885
output:
result:
Test #16:
score: 0
Memory Limit Exceeded
input:
959846 998397
output:
result:
Test #17:
score: 0
Memory Limit Exceeded
input:
965821 972280
output:
result:
Test #18:
score: 0
Memory Limit Exceeded
input:
7855098 7962479
output:
result:
Test #19:
score: 0
Memory Limit Exceeded
input:
7841076 29648718
output:
result:
Test #20:
score: 0
Memory Limit Exceeded
input:
29365129 29012208