Run ID:144963
提交时间:2026-01-24 19:51:14
#include<iostream> using namespace std; int main(){ int a; if(a<8){ cout<<"You are too young!"; } if(a>=8||a<=12){ cout<<"Welcome to Junior Class!"; } if(a>=13||a<=18){ cout<<"Welcome to Senior Class!"; } if(a>=19){ cout<<"You are too old!"; } return 0; }