Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:18:9: warning: variable 'blocaj' set but not used [-Wunused-but-set-variable] int blocaj=1; ^~~~~~ main.cpp: In function 'int main()': main.cpp:35:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&m); ^ main.cpp:38:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&x,&y); ^