Compilare: user.cpp:7: warning: integer overflow in expression user.cpp: In function ‘void citire()’: user.cpp:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void bell_ford()’: user.cpp:52: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void dfs(int, int)’: user.cpp:78: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:98: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:99: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result