Compilare: user.cpp: In function ‘int minim()’: user.cpp:4:14: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define inf 1<<15-1 ^ user.cpp:18:15: note: in expansion of macro ‘inf’ int i,min=inf+1,p=0; ^ user.cpp: In function ‘void dijkstra()’: user.cpp:4:14: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] #define inf 1<<15-1 ^ user.cpp:34:20: note: in expansion of macro ‘inf’ if(d[mini]<inf) ^ user.cpp:38:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[mini].size();i++) ^ user.cpp: In function ‘int main()’: user.cpp:4:14: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] #define inf 1<<15-1 ^ user.cpp:69:22: note: in expansion of macro ‘inf’ d[x]=inf; ^ user.cpp:4:14: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] #define inf 1<<15-1 ^ user.cpp:70:22: note: in expansion of macro ‘inf’ d[y]=inf; ^