Compilare: user.cpp: In function ‘void next(int&, int&, int&, char)’: user.cpp:19:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if(ch=='V') if(c==1) f=6,c=l,l=1; ^ user.cpp:30:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if(ch=='V') if(c==1) f=6,c=n; ^ user.cpp:41:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if(ch=='E') if(c==n) f=6,c=l,l=n; ^ user.cpp:52:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if(ch=='E') if(c==n) f=6,c=1; ^ user.cpp:63:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if(ch=='V') if(c==1) f=2,c=n; ^ user.cpp:74:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if(ch=='V') if(c==1) f=4,c=n; ^ user.cpp: In function ‘int main()’: user.cpp:153:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(steps[f[i]][l[i]][c[i]]!=inf) ^