Tin học trẻ 2021 - Vòng Khu vực - Bảng C - Số hoàn hảo

Points: 0.44 (partial)

Time limit: 1.0s

Memory limit: 256M

Input: stdin

Output: stdout

Problem source:

Problem types

Allowed languages

C, C++, Go, Java, Kotlin, Pascal, PyPy, Python, Rust, Scratch

Problems

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