Compilare: user.cpp: In function ‘int citire()’: user.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int showme()’: user.cpp:31:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int init()’: user.cpp:42:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int dijkstra()’: user.cpp:64:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^