A. 真爱粉Tk(一) print(["Yes","No"][int(input())%5!=0]) B. 真爱粉Tk(二) _,a=input(),input() print(sum([i!=j for i,j in zip(a,sorted(a)[::-1])])//2) C. Tk的构造数组 input() print(" ".join([str(y) for i,y in sorted([(i,y) for (x,i),y in zip(sorted([(x*(i+1),i) for i,x in enumerate(map(int,input().split()))]),sort...