Compilare: main.c: In function 'main': main.c:7:13: warning: unused variable 'k' [-Wunused-variable] int n,i,j,k,c,max,s; ^ main.c:11:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&c); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:13:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&o[i],&p[i]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:22:11: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized] if(p[j]>i) ~^~~