Compilare: user.cpp: In function ‘void citire()’: user.cpp:51: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:53: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:58: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:63: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:66: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:70: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:80: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void infasoara(int)’: user.cpp:134: warning: comparison between signed and unsigned integer expressions user.cpp:151: warning: comparison between signed and unsigned integer expressions user.cpp:158: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void reconstruieste(int)’: user.cpp:168: warning: unused variable ‘c’ user.cpp: In function ‘void fa_graf()’: user.cpp:223: warning: comparison between signed and unsigned integer expressions user.cpp:240: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void bellman_ford()’: user.cpp:266: warning: comparison between signed and unsigned integer expressions user.cpp:277: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:295: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:296: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result