View Compilation Error

0_0_22895805_23722.cpp: In function 'int main()':
0_0_22895805_23722.cpp:16:16: error: 'g' was not declared in this scope
             if(g[i][1]==g[j][1])  
                ^
0_0_22895805_23722.cpp:20:16: error: 'g' was not declared in this scope
             if(g[i][m]==g[j][m])  
                ^
0_0_22895805_23722.cpp:24:16: error: 'g' was not declared in this scope
             if(g[1][i]==g[1][j])  
                ^
0_0_22895805_23722.cpp:28:16: error: 'g' was not declared in this scope
             if(g[n][i]==g[n][j])  
                ^