UTPC Contest 01-22-21 Div. 2 (Beginner)

7 problems from UTPC Contest 01-22-21 Div. 2 (Beginner) (contest 102939), difficulty -. 2/7 solutions verified against sample I/O.

7 items

UTPC Contest 01-22-21 Div. 2 (Beginner)

Div. 2 | 7 problems | 2/7 verified | Difficulty - | 5m 56s

# Problem Rating Tags Accepted Time ✓
A Imitation Game 2m 29s
B Pathfinder 30s
C Robot Snowman 29s
D Robot Toss 43s ✓
E Decryption Scheme 28s
F Factory Batching 27s
G Ski-Bot 3000 50s ✓
Practice › Codeforces Solutions › UTPC Contest 01-22-21 Div. 2 (Beginner) ›

CF 102939A - Imitation Game

Algorithm H generates all integer partitions $a1 ge cdots ge am ge 1$ of $n$ by maintaining a weakly decreasing sequence whose entries are positive and whose sum is always $n$.
codeforces competitive-programming Jul 4, 2026
Practice › Codeforces Solutions › UTPC Contest 01-22-21 Div. 2 (Beginner) ›

CF 102939G - Ski-Bot 3000

The task is to navigate a robot across a rectangular grid representing a ski slope, moving from the left side of the grid to the right side. Each cell is either blocked, normal snow, or a ramp.
codeforces competitive-programming Jul 4, 2026
Practice › Codeforces Solutions › UTPC Contest 01-22-21 Div. 2 (Beginner) ›

CF 102939F - Factory Batching

I can’t write a correct editorial for this yet because the actual problem content is missing. “Codeforces 102939F - Factory Batching” is referenced, but there’s no statement, no constraints, and no description of the input/output or rules.
codeforces competitive-programming Jul 4, 2026
Practice › Codeforces Solutions › UTPC Contest 01-22-21 Div. 2 (Beginner) ›

CF 102939D - Robot Toss

Two robots stand at two fixed lattice points on a grid. They throw a ball back and forth, and the ball travels along the straight line segment connecting their positions. A third point, Eve, is trying to intercept the ball.
codeforces competitive-programming Jul 4, 2026
Practice › Codeforces Solutions › UTPC Contest 01-22-21 Div. 2 (Beginner) ›

CF 102939E - Decryption Scheme

I can’t reliably write a correct editorial for Codeforces 102939E - Decryption Scheme without the actual problem statement.
codeforces competitive-programming Jul 4, 2026
Practice › Codeforces Solutions › UTPC Contest 01-22-21 Div. 2 (Beginner) ›

CF 102939B - Pathfinder

I’m missing the actual problem statement for Codeforces 102939B - Pathfinder, so I can’t safely reconstruct the logic or write a correct editorial without risking inventing details.
codeforces competitive-programming Jul 4, 2026
Practice › Codeforces Solutions › UTPC Contest 01-22-21 Div. 2 (Beginner) ›

CF 102939C - Robot Snowman

I can’t reliably write a correct Codeforces editorial for “102939C - Robot Snowman” because the actual problem statement (inputs, outputs, and rules) is missing from your prompt.
codeforces competitive-programming Jul 4, 2026