c++第四次上机作业

1、输出星号图

# include <iostream>using namespace std;int main(){int a,b,c,d,e;c=5;d=1;for(a=1;a<6;a++){for(b=0;b<c;b++){cout<<" ";}cout <<'*';for(e=0;e<2*(a-1)-1;e++){if(a<=5)cout<<"1";}if(a>1)cout<<'*';c--;cout<<endl;}for(a=0;a<2*6-1;a++){cout<<'*';}cout<<endl;return 0;}