Language:	Russian
	English

Remote Training on Programming

Problems	Online status	Contests
News	FAQ	E-learning

For authors:

Forgot your password?

Authors ranklist

About project

Hello, Guest! Please login or register.

1783. Perfect square

Time Limit:	1 seconds
Memory Limit:	262144KB
Points:	100

View Problem Statistics

Submit

Problem added debug

Дано целое число. Выяснить, является ли оно квадратом какого-либо целого числа.

Input

Одно целое число, не превосходящее по модулю 10⁹.

Output

Выведите слово "yes", если входное число является квадратом какого-либо целого числа, и "no" - если нет (кавычки выводить не нужно).

Sample

Input	Output
25	yes

View Problem Statistics

Submit

Problem discussion

Author/source:

Problems from Contests and Camps /

School olympiads and couses of Vologda region /

Different Contests /

Contest VML for 7th form, branches /

1782. C5f - One step of king

1783.

1784. C6b - Perfect Cube

1785. C7 - Irons

1786. C8 - Number in Russian

Educational Courses /

C++ Programming Language /

Formulas, Conditions /

1777. 06 - Are cells have the same color?

1783.

1349. 08 - Next Day

1232. 09 - Vanya is watching a frog

1785. 10 - Irons

Problems from Contests and Camps /

School olympiads and couses of Vologda region /

Different Contests /

Repeating Branching /

1776. 03 - Kind of triangle

1783.

1784. 05 - Perfect Cube

1785. 06 - Irons

1786. 07 - Number in Russian

time generating 0.094 sec.