Eroare de compilare: user.cpp: In function ‘int pericol(int)’: user.cpp:33:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(d[y.l][y.c]==-1) ^ user.cpp:18:25: warning: unused variable ‘i’ [-Wunused-variable] int st=n*n,dr=n*n-1,i,j; ^ user.cpp: In function ‘int main()’: user.cpp:59:5: error: ‘else’ without a previous ‘if’ else ^ user.cpp:61:17: warning: unused variable ‘i’ [-Wunused-variable] int pas,i,r; ^