honest.cpp: In function 'void read()': honest.cpp:19: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x honest.cpp:19: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x honest.cpp:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result honest.cpp:14: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result honest.cpp: In function 'void afisare()': honest.cpp:27: warning: comparison between signed and unsigned integer expressions honest.cpp: In function 'void top_sort()': honest.cpp:44: warning: comparison between signed and unsigned integer expressions honest.cpp: In function 'void solve()': honest.cpp:72: warning: comparison between signed and unsigned integer expressions honest.cpp: In function 'int main()': honest.cpp:94: warning: unused variable 'i' honest.cpp:94: warning: unused variable 'j'