Codeforces Round #411 (Div. 2), problem: (B) 3-palindrome Solution In C/C++ Uncategorized July 24, 2017 0 Admin #include <cstdio> int n; int main (){ scanf(“%d”, &n); for (int i = 0; i < n; i++) printf(“%c”, i % 4 < 2 ? ‘a’ : ‘b’); printf(“\n”); return 0; } Continue