結果

問題 No.2419 MMA文字列2
ユーザー McGregorsh
提出日時 2023-08-21 12:59:04
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 222 ms / 2,000 ms
コード長 1,486 bytes
コンパイル時間 474 ms
コンパイル使用メモリ 82,140 KB
実行使用メモリ 89,680 KB
最終ジャッジ日時 2024-12-15 00:30:37
合計ジャッジ時間 7,655 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 30
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

import sys
from sys import stdin
from fractions import Fraction
import math
from math import ceil, floor, sqrt, pi, factorial, gcd
from copy import deepcopy
from collections import Counter, deque, defaultdict
from heapq import heapify, heappop, heappush
from itertools import accumulate, product, combinations, combinations_with_replacement, permutations
from bisect import bisect, bisect_left, bisect_right
from functools import reduce, lru_cache
from decimal import Decimal, getcontext, ROUND_HALF_UP
def i_input(): return int(stdin.readline())
def i_map(): return map(int, stdin.readline().split())
def i_list(): return list(i_map())
def s_input(): return stdin.readline()[:-1]
def s_map(): return s_input().split()
def s_list(): return list(s_map())
def lcm(a, b): return a * b // gcd(a, b)
def get_distance(x1, y1, x2, y2):
d = sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2)
return d
def rotate(table):
n_fild = []
for x in zip(*table[::-1]):
n_fild.append(x)
return n_fild
sys.setrecursionlimit(10 ** 7)
INF = float('inf')
MOD = 10 ** 9 + 7
MOD2 = 998244353
alpa = 'abcdefghijklmnopqrstuvwxyz'
ALPA = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
def main():
S = input()
cou = [0] * 26
ans = 0
for i in range(len(S)):
p = ord(S[i]) - 65
for j in range(26):
if j == p:
continue
ans += cou[j] * (cou[j]-1) // 2
cou[p] += 1
print(ans)
if __name__ == '__main__':
main()
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