#include <iostream> using namespace std; int main() { int a,b,c; a=1; b=0;c=0; int n1,n2; int n; for(a=1;a<10;a++){ for(b=0;b<10;b++){ for(c=0;c<10;c++){ n1=100*a+10*b+c; n2=100*b+10*c+c; n=n1+n2;//cout<<n<<" "; if(n==532)cout<<a<<" "<<b<<" "<<c; } } } } // 64 位输出请用 printf("%lld")