QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#528103 | #9158. 分数 | sumi007# | 0 | 1444ms | 3700kb | C++14 | 1.1kb | 2024-08-23 08:41:17 | 2024-08-23 08:41:17 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 1e7+1;
int n,m,tot,pri[N],vis[N],phi[N];
ll s[N];
void prework(){
for(int i=2;i<N;i++){
if(!vis[i]) vis[i] = 1,pri[++tot] = i,phi[i] = i-1;
for(int j=1;j<=tot && 1ll*pri[j]*i<N;j++){
vis[pri[j]*i] = 1;
if(i%pri[j]==0){
phi[i*pri[j]] = pri[j]*phi[i];
break;
}
phi[i*pri[j]] = phi[pri[j]]*phi[i];
}
}
}
int f(int i,int j){
if(!i || !j || __gcd(i,j) != 1) return 0;
// cout <<i << ' ' << j << '\n';
if(i==1 && j==2) return 1;
if(2*i<=j) return f(j-(j/(2*i))*2*i,i);
else if(i>2*j) return f(i-(i/(2*j))*2*j,j);
return 0;
}
int main(){
// cin.tie(0),cout.tie(0);
// ios::sync_with_stdio(0);
// prework();
cin >> n >> m;
int ans = 0;
for(int i=1;i<=n;i++){
for(int j=1;j<=i/2;j++){
ans = (ans+f(i,j));
}
for(int j=2*i;j<=m;j++){
ans = (ans+f(i,j));
}
}
cout << ans;
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Pretests
Pretest #1:
score: 0
Wrong Answer
time: 1ms
memory: 3632kb
input:
99 99
output:
129
result:
wrong answer 1st numbers differ - expected: '406', found: '129'
Pretest #2:
score: 0
Wrong Answer
time: 0ms
memory: 3564kb
input:
98 97
output:
129
result:
wrong answer 1st numbers differ - expected: '405', found: '129'
Pretest #3:
score: 0
Wrong Answer
time: 0ms
memory: 3636kb
input:
99 96
output:
128
result:
wrong answer 1st numbers differ - expected: '396', found: '128'
Pretest #4:
score: 0
Wrong Answer
time: 18ms
memory: 3620kb
input:
995 977
output:
3610
result:
wrong answer 1st numbers differ - expected: '11153', found: '3610'
Pretest #5:
score: 0
Wrong Answer
time: 17ms
memory: 3688kb
input:
991 990
output:
3639
result:
wrong answer 1st numbers differ - expected: '11220', found: '3639'
Pretest #6:
score: 0
Wrong Answer
time: 17ms
memory: 3624kb
input:
976 968
output:
3530
result:
wrong answer 1st numbers differ - expected: '10900', found: '3530'
Pretest #7:
score: 0
Wrong Answer
time: 1360ms
memory: 3552kb
input:
7602 7864
output:
69786
result:
wrong answer 1st numbers differ - expected: '215706', found: '69786'
Pretest #8:
score: 0
Wrong Answer
time: 1407ms
memory: 3560kb
input:
7959 7735
output:
71286
result:
wrong answer 1st numbers differ - expected: '220256', found: '71286'
Pretest #9:
score: 0
Wrong Answer
time: 1415ms
memory: 3692kb
input:
7878 7863
output:
71571
result:
wrong answer 1st numbers differ - expected: '221162', found: '71571'
Pretest #10:
score: 0
Wrong Answer
time: 1363ms
memory: 3680kb
input:
7788 7658
output:
69677
result:
wrong answer 1st numbers differ - expected: '215323', found: '69677'
Pretest #11:
score: 0
Time Limit Exceeded
input:
95399 99767
output:
result:
Pretest #12:
score: 0
Time Limit Exceeded
input:
98051 99642
output:
result:
Pretest #13:
score: 0
Time Limit Exceeded
input:
95624 96007
output:
result:
Pretest #14:
score: 0
Time Limit Exceeded
input:
99208 98047
output:
result:
Pretest #15:
score: 0
Time Limit Exceeded
input:
997417 967722
output:
result:
Pretest #16:
score: 0
Time Limit Exceeded
input:
987807 956529
output:
result:
Pretest #17:
score: 0
Time Limit Exceeded
input:
971654 984345
output:
result:
Pretest #18:
score: 0
Time Limit Exceeded
input:
7892259 7983727
output:
result:
Pretest #19:
score: 0
Time Limit Exceeded
input:
7937869 29796968
output:
result:
Pretest #20:
score: 0
Time Limit Exceeded
input:
29717543 29510173
output:
result:
Final Tests
Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 3632kb
input:
96 98
output:
128
result:
wrong answer 1st numbers differ - expected: '396', found: '128'
Test #2:
score: 0
Wrong Answer
time: 0ms
memory: 3684kb
input:
100 99
output:
130
result:
wrong answer 1st numbers differ - expected: '408', found: '130'
Test #3:
score: 0
Wrong Answer
time: 0ms
memory: 3624kb
input:
99 99
output:
129
result:
wrong answer 1st numbers differ - expected: '406', found: '129'
Test #4:
score: 0
Wrong Answer
time: 16ms
memory: 3676kb
input:
963 951
output:
3438
result:
wrong answer 1st numbers differ - expected: '10634', found: '3438'
Test #5:
score: 0
Wrong Answer
time: 17ms
memory: 3560kb
input:
958 974
output:
3499
result:
wrong answer 1st numbers differ - expected: '10795', found: '3499'
Test #6:
score: 0
Wrong Answer
time: 17ms
memory: 3544kb
input:
966 990
output:
3565
result:
wrong answer 1st numbers differ - expected: '11003', found: '3565'
Test #7:
score: 0
Wrong Answer
time: 1444ms
memory: 3700kb
input:
7958 7947
output:
72659
result:
wrong answer 1st numbers differ - expected: '224482', found: '72659'
Test #8:
score: 0
Wrong Answer
time: 1345ms
memory: 3560kb
input:
7623 7730
output:
69068
result:
wrong answer 1st numbers differ - expected: '213444', found: '69068'
Test #9:
score: 0
Wrong Answer
time: 1394ms
memory: 3688kb
input:
7845 7783
output:
70823
result:
wrong answer 1st numbers differ - expected: '218916', found: '70823'
Test #10:
score: 0
Wrong Answer
time: 1400ms
memory: 3628kb
input:
7881 7773
output:
71022
result:
wrong answer 1st numbers differ - expected: '219451', found: '71022'
Test #11:
score: 0
Time Limit Exceeded
input:
99414 98698
output:
result:
Test #12:
score: 0
Time Limit Exceeded
input:
98249 96148
output:
result:
Test #13:
score: 0
Time Limit Exceeded
input:
99003 96832
output:
result:
Test #14:
score: 0
Time Limit Exceeded
input:
98266 96030
output:
result:
Test #15:
score: 0
Time Limit Exceeded
input:
968207 958885
output:
result:
Test #16:
score: 0
Time Limit Exceeded
input:
959846 998397
output:
result:
Test #17:
score: 0
Time Limit Exceeded
input:
965821 972280
output:
result:
Test #18:
score: 0
Time Limit Exceeded
input:
7855098 7962479
output:
result:
Test #19:
score: 0
Time Limit Exceeded
input:
7841076 29648718
output:
result:
Test #20:
score: 0
Time Limit Exceeded
input:
29365129 29012208