Performance Benchmark of C++ Input Methods for Competitive Programming
We evaluated the performance of various C++ input methods by processing 1,000,000 randomly generated integers (within INT32 range) on an Intel Core i5-12400 system running Windows 11.
Tested Input Methods
Standard scanf
Standard cin
Custom fast read
Bitwise optimized fast read
fread + bitwise optimized read
cin with sync disabled
cin with sync ...
Posted on Wed, 03 Jun 2026 17:50:53 +0000 by smellicus