Compilare: user.cpp: In function ‘int main()’: user.cpp:133:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np1s1==0) ^ user.cpp:136:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np1s2==0) ^ user.cpp:146:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np1s1==0) ^ user.cpp:149:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np1s2==0) ^ user.cpp:159:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np1s1==0) ^ user.cpp:162:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np1s2==0) ^ user.cpp:172:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np1s1==0) ^ user.cpp:175:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np1s2==0) ^ user.cpp:203:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np2s1==0) ^ user.cpp:206:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np2s2==0) ^ user.cpp:216:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np2s1==0) ^ user.cpp:219:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np2s2==0) ^ user.cpp:229:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np2s1==0) ^ user.cpp:232:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np2s2==0) ^ user.cpp:242:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np2s1==0) ^ user.cpp:245:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(np2s2==0) ^