Compilare: main.cpp: In function 'void citire()': main.cpp:3:21: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] #define inf 1 << 30 -1 ~~~^~ main.cpp:23:34: note: in expansion of macro 'inf' if(i != j ) G[i][j] = inf; ^~~ main.cpp: In function 'bool E_Prieten(int)': main.cpp:48:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < Oras_Pr.size(); i++) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int Determina_prieten(int, int&, int&)': main.cpp:3:21: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] #define inf 1 << 30 -1 ~~~^~ main.cpp:58:20: note: in expansion of macro 'inf' int dist_min = inf; ^~~ main.cpp:3:21: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] #define inf 1 << 30 -1 ~~~^~ main.cpp:71:21: note: in expansion of macro 'inf' if( dist_min == inf) ^~~ main.cpp:69:10: warning: 'Next_prieten' may be used uninitialized in this function [-Wmaybe-uninitialized] next = Next_prieten; ~~~~~^~~~~~~~~~~~~~