UTPC Contest 02-10-23 Div. 2 (Beginner)

9 problems from UTPC Contest 02-10-23 Div. 2 (Beginner) (contest 104180), difficulty -. 7/9 solutions verified against sample I/O.

9 items

UTPC Contest 02-10-23 Div. 2 (Beginner)

Div. 2 | 9 problems | 7/9 verified | Difficulty - | 10m 13s

# Problem Rating Tags Accepted Time ✓
A Weather Forecast 56s ✓
B Rain Collector 53s ✓
C Brownie Baking 1m 45s ✓
D Grumble Gym 1m 18s
E After School 52s ✓
F Prime Precipitation 1m 4s
G Rose and Collection 1m 25s ✓
H Not-so Beautiful Painting 1m 3s ✓
I A Rainy Delivery 57s ✓
Practice › Codeforces Solutions › UTPC Contest 02-10-23 Div. 2 (Beginner) ›

CF 104180I - A Rainy Delivery

We are given a directed graph where each vertex represents a friend’s house and each directed edge represents a one-way road between two houses.
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CF 104180G - Rose and Collection

We are given a collection of independent encounters, each corresponding to a rose in a field. When Rose chooses a rose, she triggers a local “chase scenario” involving a monster that spawns relative to that rose.
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CF 104180H - Not-so Beautiful Painting

We are given a very large rectangular canvas, conceptually a grid with coordinates up to $10^9 times 10^9$. On this canvas, Bob has already painted several axis-aligned rectangles.
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CF 104180F - Prime Precipitation

We are simulating a deterministic falling process on integers. For every starting height from 1 up to a given limit $H$, we release a “raindrop”. Each raindrop moves downward in discrete one-second steps.
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CF 104180E - After School

We are given an $n times n$ grid where the value in cell $(i, j)$ is defined as the integer division $leftlfloor frac{j}{i} rightrfloor$. Row index $i$ and column index $j$ both start from 1. The task is to count how many cells in the entire grid evaluate to a fixed integer $k$.
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CF 104180D - Grumble Gym

We are given a sequence of energy drinks that Alberto consumes in a fixed order. Each drink contributes some amount of energy, and once he starts a drink he fully consumes it before moving on.
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CF 104180C - Brownie Baking

We are given two collections of integers. One represents required brownie sizes requested by friends, and the other represents available baking tins, where each tin produces exactly one brownie of its own fixed size.
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CF 104180B - Rain Collector

We are given a starting amount of rainwater collected on day one, denoted by an integer $i$. This value determines everything about the rest of the week.
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CF 104180A - Weather Forecast

We are given a fixed-length sequence of 28 real numbers, each representing the probability of rain on a particular day in February. Each value lies between 0 and 1. A day is considered “rainy” only if its probability meets or exceeds 0.8.
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