Compilare: user.c: In function ‘scriere’: user.c:19:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.c: In function ‘citire’: user.c:12:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &v[i][j]); ^ user.c: In function ‘main’: user.c:42:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &n, &m); ^ user.c:46:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &k); ^ user.c:53:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d%d%d%d", &l1, &c1, &l2, &c2, &p); ^