Compilare: main.c: In function 'main': main.c:7:21: warning: unused variable 'j' [-Wunused-variable] int n,k,i,st,dr,s,j,a; ^ main.c:11:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&k); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:16:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&a); ^~~~~~~~~~~~~~~~~~~ main.c:34:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&a); ^~~~~~~~~~~~~~~~~~~