bayleexu

Trung is bored with his mathematics homeworks. He takes a piece of chalk and starts writing a sequence of consecutive integers starting with 1 to N (1 < N < 10000). After that, he counts the number of

#include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cstring> #include <cctype> using namespace std;int main() { int t; int m=0; double sum=0; char s[

A character string is said to have period k if it can be formed by concatenating one or more repetitions of another string of length k. For example, the string ”abcabcabcabc” has period 3, since it is