노트

n = int(input()) parent = [int(input()) for _ in range(n)] high = [0 for i in range(n)] for i in range(n): if parent[i]==-1: continue high[i]=high[parent[i]-1]+1 for i in range(n): print(high[i])

n = int(input()) s = input() ans = 'NO' for i in range(1,n): a = s[:i] b = s[n-i:] cnt=0 for j in range(len(a)): if a[j]!=b[j]: cnt+=1 if cnt==1: ans='YES' break print(ans)

자꾸 시간초과가 나서 readline 추가 import sys input = sys.stdin.readline n = int(input()) hw = [] final_score = 0 idx = 0 for _ in range(n): line = list(map(int,input().split())) if line[0]==1: if line[2]-1==0: final_score += line[1] else: hw.append([line[1],line[2]-1]) idx += 1 else: if len(hw)>0: hw[idx-1][1] -= 1 if hw[idx-1][1]==0: score, time = hw.pop() final_score+=score idx -= 1 print(final_score)

word = input() alpha = ['c=','c-','dz=','d-','lj','nj','s=','z='] for j in alpha: word = word.replace(j, '@') print(len(word))