Compilare: user.cpp: In function ‘void init()’: user.cpp:53: warning: unused variable ‘i’ user.cpp:53: warning: unused variable ‘j’ user.cpp: In function ‘void Dijkstra()’: user.cpp:80: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void citire()’: user.cpp:96: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:98: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:101: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:107: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void afis()’: user.cpp:118: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result