提出 #43827474

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ソースコード 拡げる

import sys
import itertools
import math
import collections
import bisect
import heapq

input = sys.stdin.readline
sys.setrecursionlimit(10**7)

INF = 10**18


def main():
    N  = int(input())
    S = input().strip()

    a = False
    b = False
    c = False

    for i,si in enumerate(S):
        if si == "A":
            a = True
        elif si == "B":
            b = True
        else:
            c = True
        if a is True and b is True and c is True:
            print(i+1)
            exit()


main()

提出情報

ジャッジ結果