QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#528125 | #9158. 分数 | sumi007# | 50 | 1153ms | 3668kb | C++14 | 871b | 2024-08-23 10:00:49 | 2024-08-23 10:00:50 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 3e5+1;
int n,m,ans,tot,pri[N],phi[N];
ll s[N];
int f(int i,int j){
if(i==0 && j==1) return 1;
if(i>j) swap(i,j);
if((j/i)%2 == 0) return f(j%(2*i),i);
return 0;
}
void dfs(int i,int j){
if(i>n || j>m) return ;
ans++,dfs(j,i),dfs(i+2*j,j);
}
int main(){
// cin.tie(0),cout.tie(0);
// ios::sync_with_stdio(0);
// prework();
cin >> n >> m;
if(n<=8000 && m<=8000){
for(int i=1;i<=n;i++){
for(int j=1;j<=i/2;j++){
if(__gcd(i,j) == 1) ans = (ans+f(i,j));
}
for(int j=2*i;j<=m;j++){
if(__gcd(i,j) == 1) ans = (ans+f(i,j));
}
}
cout << ans;
return 0;
}
dfs(1,2);
cout << ans;
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Pretests
Pretest #1:
score: 5
Accepted
time: 1ms
memory: 3536kb
input:
99 99
output:
406
result:
ok 1 number(s): "406"
Pretest #2:
score: 5
Accepted
time: 1ms
memory: 3612kb
input:
98 97
output:
405
result:
ok 1 number(s): "405"
Pretest #3:
score: 5
Accepted
time: 0ms
memory: 3612kb
input:
99 96
output:
396
result:
ok 1 number(s): "396"
Pretest #4:
score: 5
Accepted
time: 15ms
memory: 3540kb
input:
995 977
output:
11153
result:
ok 1 number(s): "11153"
Pretest #5:
score: 5
Accepted
time: 15ms
memory: 3592kb
input:
991 990
output:
11220
result:
ok 1 number(s): "11220"
Pretest #6:
score: 5
Accepted
time: 14ms
memory: 3632kb
input:
976 968
output:
10900
result:
ok 1 number(s): "10900"
Pretest #7:
score: 5
Accepted
time: 1081ms
memory: 3628kb
input:
7602 7864
output:
215706
result:
ok 1 number(s): "215706"
Pretest #8:
score: 5
Accepted
time: 1122ms
memory: 3492kb
input:
7959 7735
output:
220256
result:
ok 1 number(s): "220256"
Pretest #9:
score: 5
Accepted
time: 1126ms
memory: 3588kb
input:
7878 7863
output:
221162
result:
ok 1 number(s): "221162"
Pretest #10:
score: 5
Accepted
time: 1091ms
memory: 3552kb
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: 1ms
memory: 3604kb
input:
96 98
output:
396
result:
ok 1 number(s): "396"
Test #2:
score: 5
Accepted
time: 0ms
memory: 3536kb
input:
100 99
output:
408
result:
ok 1 number(s): "408"
Test #3:
score: 5
Accepted
time: 0ms
memory: 3604kb
input:
99 99
output:
406
result:
ok 1 number(s): "406"
Test #4:
score: 5
Accepted
time: 14ms
memory: 3500kb
input:
963 951
output:
10634
result:
ok 1 number(s): "10634"
Test #5:
score: 5
Accepted
time: 14ms
memory: 3600kb
input:
958 974
output:
10795
result:
ok 1 number(s): "10795"
Test #6:
score: 5
Accepted
time: 14ms
memory: 3532kb
input:
966 990
output:
11003
result:
ok 1 number(s): "11003"
Test #7:
score: 5
Accepted
time: 1153ms
memory: 3668kb
input:
7958 7947
output:
224482
result:
ok 1 number(s): "224482"
Test #8:
score: 5
Accepted
time: 1069ms
memory: 3536kb
input:
7623 7730
output:
213444
result:
ok 1 number(s): "213444"
Test #9:
score: 5
Accepted
time: 1111ms
memory: 3528kb
input:
7845 7783
output:
218916
result:
ok 1 number(s): "218916"
Test #10:
score: 5
Accepted
time: 1114ms
memory: 3652kb
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