Compilare: user.c: In function ‘main’: user.c:9:24: warning: unused variable ‘steag’ [-Wunused-variable] int n, k, r, i, x, steag=0, c, j, nrf, maxnrc, p ; ^ user.c:9:15: warning: unused variable ‘r’ [-Wunused-variable] int n, k, r, i, x, steag=0, c, j, nrf, maxnrc, p ; ^ user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin,"%d%d",&n,&k ) ; ^ user.c:14:16: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin,"%d",&x ) ; ^