Compilare: user.c: In function ‘ff1’: user.c:19:15: warning: unused variable ‘l’ [-Wunused-variable] int i,j,k,l; ^ user.c:19:13: warning: unused variable ‘k’ [-Wunused-variable] int i,j,k,l; ^ user.c: In function ‘main’: user.c:72:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d",&n,&c); ^ user.c:75:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&sablon[i][j]); ^ user.c:80:23: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&cheie[i][j]); ^