Compilare: main.cpp: In function 'int main()': main.cpp:32:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(j<n) ^ main.cpp:47:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(j) ^ main.cpp:53:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(j<n) ^ main.cpp:62:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(j) ^