Compilare: user.cpp: In function 'void printDistance(FILE*, void*)': user.cpp:427: warning: format '%d' expects type 'int', but argument 4 has type 'double' user.cpp: In function 'void dijkstra()': user.cpp:610: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void doDijkstra(char*)': user.cpp:665: warning: unused variable 'start' user.cpp: In function 'int main()': user.cpp:678: warning: deprecated conversion from string constant to 'char*'