starry

摘要： Problem Statement We have a sequence of length N consisting of non-negative integers. Consider performing the following operation on this sequence unt 阅读全文

摘要： A - ABCxxx 水题。 1 #include <iostream> 2 using namespace std; 3 int main(){ 4 int n; 5 cin>>n; 6 cout << "ABC" << n << endl; 7 return 0; 8 } B - Break N 阅读全文