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#include <iostream> using namespace std; int main() { int c= 0; for (int i1 = 1; i1<= 9 ;i1++) { for (int j1 = 1; j1<=9 ;j1++) { for (int k1 = 1; k1<=9 ;k1++) { if(i1 == j1 || i1 == k1 || k1 == j1) continue; for (int i2 = 1; i2<=9 ;i2++) { for (int j2 = 1; j2<=9 ;j2++) { for (int k2 = 1; k2<=9 ;k2++) { if(i2 == j2 || i2 == k2 || k2 == j2) continue; if(i1 == i2 || i1 == j2 || i1 == k2) continue; if(j1 == i2 || j1 == j2 || j1 == k2) continue; if(k1 == i2 || k1 == j2 || k1 == k2) continue; for (int i3 = 1; i3<=9 ;i3++) { for (int j3 = 1; j3<=9 ;j3++) { for (int k3 = 1; k3<=9 ;k3++) { if(i3 == j3 || i3 == k3 || k3 == j3) continue; if(i1 == i3 || i1 == j3 || i1 == k3) continue; if(j1 == i3 || j1 == j3 || j1 == k3) continue; if(k1 == i3 || k1 == j3 || k1 == k3) continue; if(i2 == i3 || i2 == j3 || i2 == k3) continue; if(j2 == i3 || j2 == j3 || j2 == k3) continue; if(k2 == i3 || k2 == j3 || k2 == k3) continue; int num1 = i1*100 + j1*10 +k1; int num2 = i2*100 + j2*10 +k2; int num3 = i3*100 + j3*10 +k3; if(num1 >= num2) continue; if(num2 >= num3) continue; if(num1 + num2 + num3 == 1953){ cout <<"NO. \t"<<num1<<"+"<<num2<<"+"<<num3<<endl; c++; } } } } } } } } } } cout <<"total="<<c; return 0; }
运行结果如下:
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