C++ 代码

#include<iostream>

using namespace std;

int max(int a,int b,int c){
    return a>=b?a:b>=c?b:c;
}

int main(){
    int a,b,c;
    cin>>a>>b>>c;

    int k=max(a,b,c);

    int i=1;
    while(i){
        int t=k*i;
        if(!(t%a)&&!(t%b)&&!(t%c)){
            cout<<t;
            break;
        }
        i++;
    }

    return 0;
}