Compilare: user.cpp: In function ‘int main()’: user.cpp:10:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d%d" ,&n,&m,&l); ^ user.cpp:12:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&A[i]); ^ user.cpp:14:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&B[i]); ^ user.cpp:53:55: warning: ‘poz2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(j>=l-1&&min==v[poz[b]]&&(poz1>j-l+2||(poz2>i+j-l+2&&poz1==j-l+2))){ ^ user.cpp:53:70: warning: ‘poz1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(j>=l-1&&min==v[poz[b]]&&(poz1>j-l+2||(poz2>i+j-l+2&&poz1==j-l+2))){ ^