都要学C

#include <iostream>using namespace std;int main(){int a,b,c,d;cout<<"可能的情况有："<<endl;for(a=1;a<=2;a++)for(b=0;b<=9;b++)for(c=0;c<=9;c++)for(d=0;d<=9;d++){if(a*1000+b*2*100+c*3*10+d*4==2008 && (a-b)*(a-c)*(a-d)*(b-c)*(b-d)*(c-d)!=0)cout<<"都："<<a<<" 要："<<b<<" 学："<<c<<" C:"<<d<<endl;}return 0;}