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Here are the 10 hardest Wordle answers of 2025—did you solve any of them?

Did Wordle keep you busy this year? Some words are more challenging than others. INBOX -- the Wordle answer on April 19 -- ...
IEEE

A Compute-in-Memory Annealing Processor With Interaction Coefficient Reuse and Sparse Energy Computation for Solving Combinatorial Optimization Problems

Since combinatorial optimization problems (COPs) are a class of non-deterministic polynomial-time (NP)-hard problems, it is impracticable to solve them in brute-force searches, which results in high ...
IEEE

Penalty Function-Based Distributed Primal-Dual Algorithm for Nonconvex Optimization Problem

Abstract: This paper addresses the distributed nonconvex optimization problem, where both the global cost function and local inequality constraint function are nonconvex. To tackle this issue, the ...