Compilare: user.c: In function ‘rez’: user.c:4:5: warning: type of ‘n’ defaults to ‘int’ [-Wimplicit-int] int rez(n,k){ ^ user.c:4:5: warning: type of ‘k’ defaults to ‘int’ [-Wimplicit-int] user.c: In function ‘main’: user.c:23:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d%d",&cer,&n,&k); ^ user.c: In function ‘rez’: user.c:5:9: warning: ‘s’ may be used uninitialized in this function [-Wmaybe-uninitialized] int s,ck; ^