int gcd(int a,int b){
return b?gcd(b,a%b):a;
}
inline int lcm(int a,int b){
return a/gcd(a,b)*b;
}
gcd,lcm模板
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2023-09-12
int gcd(int a,int b){
return b?gcd(b,a%b):a;
}
inline int lcm(int a,int b){
return a/gcd(a,b)*b;
}
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