include void main(){int a;for(a=0;a<=9;a++){if(a=5)break;}}include void main(){int a;for(a=0;a<=9;a++){if(a=5)break;}}break语句作用是提前结束当前循环,计算机运行到break,就会跳出break是用来提前终止for,while,do-while循环的