Compilare: main.cpp: In function 'int main()': main.cpp:10:31: 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:13:32: 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:9:27: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] int n,k,i,maxi=-30001,poz; ^~~