← CSES Better

Cowlendar

USACO · 2024 · January · silver-3

Open official problem ↗
Ask AI

Open a hint-first prompt in a new AI chat. Grok may ask you to confirm before sending.

Open Claude Desktop

The organizer’s problem statement is available at the official source link.

sample trace

Cowlendar: sample trace

Trace this official sample for Cowlendar: use the task rules to map the shown input to the expected output.

Published input12 31 28 31 30 31 30 31 31 30 31 30 31 4 31 35 28 29modelAlgorithm ideaApply the task rule to this published instance, preserving the relationships defined by the statement.task resultExpected output28 23
  1. 1

    Read the sample

    Use the official example for Cowlendar as the concrete instance.
  2. 2

    Follow the task relation

    Apply the exact rule in the official statement to the displayed values.
  3. 3

    Check the result

    Verify that the final value matches the published expected output.
Tools
1
2
3
4
5
6
7
8
9
10
11
12
Draft saved locally
|12 lines, 156 chars

Run output

Run your code to see output.