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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#721965 | #9167. Coprime Array | maxiaomeng | AC ✓ | 0ms | 3704kb | C++14 | 793b | 2024-11-07 17:19:18 | 2024-11-07 17:19:18 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define endl '\n'
using namespace std;
int s,x,z=1,w;
vector<int>v,p;
inline int fp(int x,int y,int mod){ // 快速幂(fp(0,0)=1)
x%=mod;
int r=1;
while(y){
if(y&1)r=r*x%mod;
x=x*x%mod;
y>>=1;
}
return r;
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin>>s>>x;
if(__gcd(s,x)==1)return cout<<1<<'\n'<<s<<'\n',0;
if(!(x&1)&&(s&1))v.push_back(1),--s;
for(int i=2;i*i<=x;i++){
if(x%i==0){
p.push_back(i);
z*=i;
while(x%i==0)x/=i;
}
}
for(auto i:p){
int m=z/i;
int g=fp(m,i-2,i);
int k=1;
if(s%i==1)k=2;
w=(w+k*g%z*m%z)%z;
}
v.push_back(w);
v.push_back(s-w);
cout<<v.size()<<'\n';
for(auto i:v)cout<<i<<' ';
return 0;
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3628kb
input:
9 6
output:
3 1 1 7
result:
ok Correct
Test #2:
score: 0
Accepted
time: 0ms
memory: 3576kb
input:
14 34
output:
2 1 13
result:
ok Correct
Test #3:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
1000000000 223092870
output:
2 3233231 996766769
result:
ok Correct
Test #4:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
2 1000000000
output:
2 1 1
result:
ok Correct
Test #5:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
649557664 933437700
output:
2 83981 649473683
result:
ok Correct
Test #6:
score: 0
Accepted
time: 0ms
memory: 3576kb
input:
33396678 777360870
output:
2 1 33396677
result:
ok Correct
Test #7:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
48205845 903124530
output:
3 1 18811 48187033
result:
ok Correct
Test #8:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
251037078 505905400
output:
2 1 251037077
result:
ok Correct
Test #9:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
30022920 172746860
output:
2 1 30022919
result:
ok Correct
Test #10:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
63639298 808058790
output:
2 248711 63390587
result:
ok Correct
Test #11:
score: 0
Accepted
time: 0ms
memory: 3652kb
input:
76579017 362768406
output:
3 1 1 76579015
result:
ok Correct
Test #12:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
40423669 121437778
output:
3 1 1 40423667
result:
ok Correct
Test #13:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
449277309 720915195
output:
2 1 449277308
result:
ok Correct
Test #14:
score: 0
Accepted
time: 0ms
memory: 3704kb
input:
81665969 919836918
output:
3 1 2003 81663965
result:
ok Correct
Test #15:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
470578680 280387800
output:
2 1 470578679
result:
ok Correct
Test #16:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
58450340 803305503
output:
2 1 58450339
result:
ok Correct
Test #17:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
125896113 323676210
output:
3 1 59281 125836831
result:
ok Correct
Test #18:
score: 0
Accepted
time: 0ms
memory: 3576kb
input:
381905348 434752500
output:
2 1 381905347
result:
ok Correct
Test #19:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
78916498 653897673
output:
1 78916498
result:
ok Correct
Test #20:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
35787885 270845190
output:
3 1 1 35787883
result:
ok Correct
Extra Test:
score: 0
Extra Test Passed