Compilare: user.cpp: In function ‘int main()’: user.cpp:38:29: warning: variable ‘st’ set but not used [-Wunused-but-set-variable] int i,j,ic,jc,ii,maxi=0,st,ok,jj,l,c,lin,col; ^ user.cpp:39:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&n,&m); ^ user.cpp:42:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&a[i][j]); ^