atcoder ABC 359-B题详解 Problem Statement There are 2N people standing in a row, and the person at the i-th position from the left is wearing clothes of color Ai. Here, the clothes have N colors from 1
atcoder ABC 359-A题详解 Problem Statement You are given N strings. The i-th string Si(1≤i≤N) is either Takahashi or Aoki. How many i are there such that Si is equal to Takahashi? Constraints 1≤N≤10