Compilare: user.cpp: In function ‘int main()’: user.cpp:23:13: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (s[nr]==')' && nr!=1) ^ user.cpp:43:13: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (s[nr]==']' && nr!=1) ^ user.cpp:62:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (s[nr]=='}' && nr!=1) ^ user.cpp:87:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (a[i]>ma) ^