Good mood and pure thoughts to everyone who comes here.

1422A - FenceAuthor aropan

Solution 94875319

**Tutorial**

1422B - Nice Matrix

Author andrew

Solution 94875245

**Tutorial**

1422C - Bargain

Author aropan

Solution 94875502

**Tutorial**

1422D - Returning Home

Author aropan

Solution 94875536

**Tutorial**

1422E - Minlexes

Author aropan

Solution 94875558

**Tutorial**

1422F - Boring Queries

Author andrew

Solution 94875580, author's solution with persistent segment tree 94875295

**Tutorial**