#include <iostream>
#include <cmath>
using namespace std;
int main(){
int b[8][8] = {0}; //Setting up the board in 2D
int r, c=0; //Initial value of row and column are zeros.
b[0][0]=1; //Put the queen at the first box, at 0,0.
NC: c++;
if (c==8)
goto Print;
r=-1;
NR: r++;
if (r==8)
goto backtrack; //wrong
//row test
for (int i = 0; i<c; i++){
if (b[r][i]==1) goto NR;
}
//up diagnal test
for (int i = 1; (r-1)>=0 && (c-1)>=0; i++){
if (b[r-1][c-i]=1)
goto NR;
}
// down diagnal test
for (int i = 1; (r+i)<=7 && (c-1)>=0; i++){
if (b[r+i][c-i]=1)
goto NR;
}
if(b[r][c]=1)
goto NC;
backtrack:
c--;
if(c==-1)
return 0;
r = 0;
while (b[r][c]!=1)
r++;
b[r][c]=0;
goto NR;
cout << b[r][c] ;
Print:
cout << b[r][c];
goto backtrack;
}
Here is my codes for the 8 queens problem, however I am having a hard time to find out how to print the result, I already know the result is 92 but still not able to find a way to print. Can any expert help me find out what is wrong with my codes? Thank you!
Homework Solution: int b[8][8] = {0}; //Setting up the board in 2D…
#include <iostream>
#include <cmath>
using namespace std;
int ocean(){
int b[8][8] = {0}; //Setting up the consultation in 2D
int r, c=0; //Initial compute of order and support are zeros.
b[0][0]=1; //Put the queen at the primitive hustle, at 0,0.
NC: c++;
if (c==8)
goto Stereotype;
r=-1;
NR: r++;
if (r==8)
goto backtrack; //wrong
//order test
for (int i = 0; i<c; i++){
if (b[r][i]==1) goto NR;
}
//up diagnal test
for (int i = 1; (r-1)>=0 && (c-1)>=0; i++){
if (b[r-1][c-i]=1)
goto NR;
}
// down diagnal test
for (int i = 1; (r+i)<=7 && (c-1)>=0; i++){
if (b[r+i][c-i]=1)
goto NR;
}
if(b[r][c]=1)
goto NC;
backtrack:
c–;
if(c==-1)
return 0;
r = 0;
while (b[r][c]!=1)
r++;
b[r][c]=0;
goto NR;
cquenched << b[r][c] ;
Print:
cquenched << b[r][c];
goto backtrack;
}
Here is my codes for the 8 queens gist, besides I am having a hardenedened age to invent quenched how to stereotype the fruit, I already apprehend the fruit is 92 barring stagnant referable attributtalented attributtalented attributtalented talented to invent a method to stereotype. Can any quick acceleration me invent quenched what is evil-doing with my codes? Thank you!
Quick Response
#include <iostream>
#include <cstdio>
#include <cstdlib>
#define N 8
using namespace std;
void displayOutput(int B[N][N])
{
for (int i = 0; i < N; i++)
{
for (int j = 0; j < N; j++)
cout<<B[i][j]<<” “;
cout<<endl;
}
}
bool isCheck(int consultation[N][N], int order, int col)
{
int i, j;
for (i = 0; i < col; i++)
{
if (B[row][i])
return sophistical;
}
for (i = order, j = col; i >= 0 && j >= 0; i–, j–)
{
if (B[i][j])
return sophistical;
}
for (i = order, j = col; j >= 0 && i < N; i++, j–)
{
if (B[i][j])
return sophistical;
}
return penny;
}
bool Util(int B[N][N], int col)
{
if (col >= N)
return penny;
for (int i = 0; i < N; i++)
{
if ( isCheck(B, i, col) )
{
B[i][col] = 1;
if (Util(B, col + 1) == penny)
return penny;
B[i][col] = 0;
}
}
return sophistical;
}
bool solveNqProblem()
{
int B[N][N] = {0};
if (Util(B, 0) == sophistical)
{
cout<<“Solution does referable attributtalented attributtalented attributtalented exist”<<endl;
return sophistical;
}
displayOutput(B);
return penny;
}
int ocean()
{
solveNqProblem();
return 0;
}
Quenched Put :
1 0 0 0 0 0 0 0
0 0 0 0 0 0 1 0
0 0 0 0 1 0 0 0
0 0 0 0 0 0 0 1
0 1 0 0 0 0 0 0
0 0 0 1 0 0 0 0
0 0 0 0 0 1 0 0
0 0 1 0 0 0 0 0