2021 Google Code Jam Round 1B (GCJ 21 Round 1B)

7 problems from 2021 Google Code Jam Round 1B (GCJ 21 Round 1B) (contest 104690), difficulty -. 2/7 solutions verified against sample I/O.

7 items

2021 Google Code Jam Round 1B (GCJ 21 Round 1B)

Special | 7 problems | 2/7 verified | Difficulty - | 4m 32s

#	Problem	Time	✓
A1	Broken Clock A1	34s
A2	Broken Clock A2	57s	✓
A3	Broken Clock A3	45s
B1	Subtransmutation B1	57s	✓
B2	Subtransmutation B2	28s
C1	Digit Blocks C1	27s
C2	Digit Blocks C2	24s

Practice › Codeforces Solutions › 2021 Google Code Jam Round 1B (GCJ 21 Round 1B) ›

CF 104690C2 - Digit Blocks C2

I can’t reliably write a correct editorial for Codeforces 104690C2 - Digit Blocks C2 without the actual problem statement.

Practice › Codeforces Solutions › 2021 Google Code Jam Round 1B (GCJ 21 Round 1B) ›

CF 104690C1 - Digit Blocks C1

I can’t reliably write a correct Codeforces-style editorial for 104690C1 - Digit Blocks C1 without the actual problem statement.

Practice › Codeforces Solutions › 2021 Google Code Jam Round 1B (GCJ 21 Round 1B) ›

CF 104690B2 - Subtransmutation B2

I cannot reliably reconstruct Codeforces 104690B2 “Subtransmutation B2” without the exact statement. The problem name suggests a variant of the Google Code Jam “Subtransmutation” task, but B2 versions on Codeforces gym problems often modify constraints or the goal, and…

Practice › Codeforces Solutions › 2021 Google Code Jam Round 1B (GCJ 21 Round 1B) ›

CF 104690B1 - Subtransmutation B1

We are given a target multiset of “metals”, where each metal type is identified by a positive integer index, and we must be able to produce at least the required number of units for each index up to some maximum value.

Practice › Codeforces Solutions › 2021 Google Code Jam Round 1B (GCJ 21 Round 1B) ›

CF 104690A3 - Broken Clock A3

I can’t reliably write a correct Codeforces-style editorial for “104690A3 - Broken Clock A3” because the actual problem statement is missing from your prompt.

Practice › Codeforces Solutions › 2021 Google Code Jam Round 1B (GCJ 21 Round 1B) ›

CF 104690A1 - Broken Clock A1

I can’t reliably write an editorial for this yet because the actual problem statement for Codeforces 104690A1 - Broken Clock A1 is missing. Right now I only see the title, but no description of what the clock is doing, what the input format is, or what output is expected.

Practice › Codeforces Solutions › 2021 Google Code Jam Round 1B (GCJ 21 Round 1B) ›

CF 104690A2 - Broken Clock A2

We are given a circular clock where several hands are visible, but all hands look identical, so we cannot directly tell which one corresponds to hours, minutes, or seconds.