eight_queues_prolems.rar_eight

#include<iostream> using namespace std; int main() { int a,b,c,d,e,f,g,h; int p[8][8]={0}; int q[8]; int num=0; int i,j; int k; for(a=0;a<=7;a++) { for(b=0;b<=7;b++) { if(b==a) continue; else if (b+1==a) continue; else if (b-1==a) continue; for(c=0;c<=7;c++) { if(c==a) continue; else if (2+c==a) continue; else if (c-2==a) continue; if(c==b) continue; else if (2+c==1+b) continue; else if (c-2==b-1) continue; for(d=0;d<=7;d++) { if(d==a) continue; else if (3+d==a) continue; else if (d-3==a) continue; if(d==b) continue; else if (3+d==b+1) continue; else if (d-3==b-1) continue; if(d==c) continue; else if (3+d==c+2) continue; else if (d-3==c-2) continue; for(e=0;e<=7;e++) { if(e==a) continue; else if (e+4==a)continue; else if (e-4==a) continue; if(e==b) continue; else if (e+4==b+1) continue; else if (e-4==b-1) continue; if(e==c) continue; else if (e+4==c+2) continue; else if (e-4==c-2) continue; if(e==d) continue; else if (e+4==d+3) continue; else if (e-4==d-3) continue; for(f=0;f<=7;f++) { if(f==a) continue; else if (f+5==a) continue; else if (f-5==a) continue; if(f==b) continue; else if (f+5==b+1) continue; else if (f-5==b-1) continue; if(f==c) continue; else if (f+5==c+2) continue; else if (f-5==c-2) continue; if(f==d) continue; else if (f+5==d+3) continue; else if (f-5==d-3) continue; if(f==e) continue; else if (f+5==e+4) continue; else if (f-5==e-4) continue; for(g=0;g<=7;g++) { if(g==a) continue; else if (g+6==a) continue; else if (g-6==a) continue; if(g==b) continue; else if (g+6==b+1) continue; else if (g-6==b-1) continue; if(g==c) continue; else if (g+6==c+2) continue; else if (g-6==c-2) continue; if(g==d) continue; else if (g+6==d+3) continue; else if (g-6==d-3) continue; if(g==e) continue; else if (g+6==e+4) continue; else if (g-6==e-4) continue; if(g==f) continue; else if (g+6==f+5) continue; else if (g-6==f-5) continue; for(h=0;h<=7;h++) { if(h==a) continue; else if (h+7==a) continue; else if (h-7==a) continue; if(h==b) continue; else if (h+7==b+1) continue; else if (h-7==b-1) continue; if(h==c) continue; else if (h+7==c+2) continue; else if (h-7==c-2) continue; if(h==d) continue; else if (h+7==d+3) continue; else if (h-7==d-3) continue; if(h==e) continue; else if (h+7==e+4) continue; else if (h-7==e-4) continue; if(h==f) continue; else if (h+7==f+5) continue; else if (h-7==f-5) continue; if(h==g) continue; else if (h+7==g+6) continue; else if (h-7==g-6) continue; num++; { p[0][a]=1; p[1][b]=1; p[2][c]=1; p[3][d]=1; p[4][e]=1; p[5][f]=1; p[6][g]=1; p[7][h]=1; q[0]=a; q[1]=b; q[2]=c; q[3]=d; q[4]=e; q[5]=f; q[6]=g; q[7]=h; } cout<<num<<endl; for(i=0;i<=7;i++) { k=q[i]; for (j=0;j<=7;j++) { if(j!=k) cout<<'o'<<" "; else cout<<'Q'<<" "; } cout<<endl; } if(num!=0&&num%2==0) getchar(); cout<<endl; cout<<endl; cout<<endl; } } } } } } } } cout<<"The total num is"<<num<<endl; cout<<endl; cout<<endl; cout<<endl; return 0; }