OPEI 2021 - Senior

4 problems from OPEI 2021 - Senior (contest 103336), difficulty -. 0/4 solutions verified against sample I/O.

4 items

OPEI 2021 - Senior

Special | 4 problems | 0/4 verified | Difficulty - | 4m 22s

#	Problem	Time
B	Festival de Presentes	2m 37s
C	Rob\u00f4CIn	35s
D	Desafio no centro	34s
E	Fofoca na RMR	36s

Practice › Codeforces Solutions › OPEI 2021 - Senior ›

CF 103336B - Festival de Presentes

Let $rs,dots,r0$ satisfy $$t = rs + cdots + r1 + r0,qquad 0 le rj le mj quad (s ge j ge 0).$$ Write $$Mj = sum{i=0}^j mi,qquad Tj = t - sum{i=j+1}^s ri,$$ so $Tj$ is the remaining sum to be distributed among indices $0,dots,j$ after fixing $rs,dots,r{j+1}$.

Practice › Codeforces Solutions › OPEI 2021 - Senior ›

CF 103336E - Fofoca na RMR

I don’t have the actual statement of Codeforces 103336E - Fofoca na RMR, so I can’t write a correct editorial yet without guessing the problem structure.

Practice › Codeforces Solutions › OPEI 2021 - Senior ›

CF 103336C - RobôCIn

The problem statement is missing from the prompt, so there’s no reliable way to derive the intended model, constraints, or required algorithm for Codeforces 103336C - RobôCIn.

Practice › Codeforces Solutions › OPEI 2021 - Senior ›

CF 103336D - Desafio no centro

The problem statement is missing from your prompt, so I can’t reconstruct what Codeforces 103336D (“Desafio no centro”) is asking yet.