一:代码实现
1 #include <iostream> 2 using namespace std; 3 int main() 4 { 5 cout<<"请输入一个四位整数:"<<endl; 6 int i; 7 cin>>i; 8 if (i/1000==0||i/1000>9) 9 { 10 cout<<"Error!"<<endl; 11 } 12 else 13 { 14 cout<<"千位为:"<<i/1000<<endl; 15 cout<<"百位为:"<<(i/100)%10<<endl; 16 cout<<"十位为:"<<(i%100)/10<<endl; 17 cout<<"个位为:"<<i%10<<endl; 18 } 19 return 0; 20 }
二、运行演示