National Day Simulation Contest Solutions
T1
This is a straightforward problem. Key reminder: read the problem carefully! Simpler problems are prone to errors.
T2
This is a straightforward problem. Greedy algorithms or dynamic programming can be used.
T3
Tip: When dealing with averages, subtract the average from all numbers and find subarrays with sum zero. Since the value range is sma ...
Posted on Sat, 12 Sep 2026 16:27:13 +0000 by hossein2kk