Compilare: user.cpp: In function ‘int mutarey()’: user.cpp:22:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a[i][1]==a[i][2]&&a[i][2]==a[i][3]) ^ user.cpp:35:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a[1][i]==a[2][i]&&a[2][i]==a[3][i]) ^ user.cpp:47:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a[1][1]==a[2][2]&&a[1][1]==a[3][3]) ^ user.cpp: In function ‘int mutarex()’: user.cpp:108:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a[i][1]==a[i][2]&&a[i][2]==a[i][3]) ^ user.cpp:121:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a[1][i]==a[2][i]&&a[2][i]==a[3][i]) ^ user.cpp:133:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a[1][1]==a[2][2]&&a[1][1]==a[3][3]) ^ user.cpp: In function ‘int mutarey()’: user.cpp:95:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int mutarex()’: user.cpp:180:1: warning: control reaches end of non-void function [-Wreturn-type] } ^