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