Compilare: main.cpp: In function 'int main()': main.cpp:27:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&n,&k); ^ main.cpp:29:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&v[i]); ^ main.cpp:33:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&w[i]); ^ main.cpp: In function 'void solve(int, int, int, int, int)': main.cpp:19:28: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] solve(k,st,mid-1,l,poz); ^