Compilare: user.cpp: In function ‘int main()’: user.cpp:80:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(i>1) ^ user.cpp:100:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(j>1) ^ user.cpp:120:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(i<n) ^ user.cpp:140:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(j<m) ^ user.cpp:163:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(i>1) ^ user.cpp:183:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(j>1) ^ user.cpp:203:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(i<n) ^ user.cpp:223:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(j<m) ^