作者：李卓航         更新时间：2025-05-17 11:58          浏览：52次         点赞：1次          热度：20

''' n=int(input()) print(n%2+n//2) n=input() a,b=map(int,input().split(" ")) print(",".join(n[a-1::b+1])) n=eval(input()) d={} for i in n: if i not in d: d.update({i:1}) else: d[i]+=1 L=[] for j in range(len(d)): for i in d: if max(d.values())==d[i]: L.append(i) d[i]=-1 break n=int(input()) L=[] for i in range(1,n): for j in range(1,n): for z in range(1,n): if i !=z and z!=j and i!=j: if "2" not in str(i) and "2" not in str(j) and "2" not in str(z): if "4" not in str(i) and "4" not in str(j) and "4" not in str(z): if i +j+z==n: L.append(sorted([i,j,z])) L1=[] for i in L: if i not in L1: L1.append(i) print(len(L1)) '''