#include<iostream> using namespace std; int main(){ int time=0,count=1,qw=1,xm=1,xy=1,flag = 0; while(qw+xm+xy<30){//三人是否都拍完10次 flag=0; time++; if(qw<10){ flag=1; qw++; } if(xm<10 && time%2==0){ flag=1; xm++; } if(xy<10 && time%4==0){ flag=1; xy++; } if(flag){ count++; } } cout<<count<<endl; return 0; }