1003
for(w1=1000;w1<10000;w1++) { w2=w1/100+w1%100; if(w2*w2==w1) cout<<w1<<endl;
cout<<"2025"<<endl; cout<<"3025"<<endl; cout<<"9801"<<endl; return 0;
cout<<"2025\n3025\n9801"<<endl;
循环(int i=1000;i<=9999;i++) { 如果(pow(i%100+i/100,2)==i) { 输出<<i<<换行; } }