Compilare: user.c: In function ‘fill’: user.c:23:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.c:23:9: warning: unused variable ‘i’ [-Wunused-variable] int 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(fin, "%d", &T); ^ user.c:51:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &n, &m, &k); ^ user.c:56:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &map[i][j]); ^ user.c:72:13: warning: ‘startj’ may be used uninitialized in this function [-Wmaybe-uninitialized] fill(starti, startj, i ,n, m); ^ user.c:72:13: warning: ‘starti’ may be used uninitialized in this function [-Wmaybe-uninitialized]