Compilare: user.c: In function ‘main’: user.c:5:42: warning: unused variable ‘its’ [-Wunused-variable] int i, j, n, m, v1[1024], v2[1024], km, its = 0; ^ user.c:5:38: warning: variable ‘km’ set but not used [-Wunused-but-set-variable] int i, j, n, m, v1[1024], v2[1024], km, its = 0; ^ user.c:11:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d", &n, &m); ^ user.c:14:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &v1[i]); ^ user.c:18:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &v2[i]); ^