Compilare: user.cpp: In function ‘void citire()’: user.cpp:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void dfs(int, int, int)’: user.cpp:63: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:59: warning: unused variable ‘critic’ user.cpp: In function ‘int main()’: user.cpp:87: warning: comparison between signed and unsigned integer expressions user.cpp:94: warning: comparison between signed and unsigned integer expressions user.cpp:96: warning: comparison between signed and unsigned integer expressions