ABC175 - Atcoder/Python精進のための解説メモ

s = input()
if s == 'RRR':
    print(3)
elif s == 'RRS' or s == 'SRR':
    print(2)
elif s == 'SSS':
    print(0)
else:
    print(1)

ss = input()
tmp = 0
ans = 0
for s in ss:
    if s == 'R':
        tmp += 1
        ans = tmp
    else:
        tmp = 0
print(ans)
        

n = int(input())
lll = list(map(int, input().split()))
lll.sort()
len_lll = len(lll)
ans = 0
for i in range(len_lll):
    a = lll[i]
    for j in range(i + 1, len_lll):
        b = lll[j]
        for k in range(j + 1, len_lll):
            c = lll[k]
            if a + b > c and a != b and b != c:
                ans += 1
print(ans)

x, k, d = map(int, input().split())
x = abs(x)
if k * d < x:
    ans = x - k * d
else:
    if (k - x // d) % 2 == 0:
        ans = x % d
    else:
        ans = abs(x % d - d)
print(ans)

n, k = map(int, input().split())
ppp = list(map(lambda x: int(x) - 1, input().split()))
ccc = list(map(int, input().split()))
ans = max(ccc)

for i in range(n):
    tmp = 0
    score = [0]
    start = i
    while ppp[start] != i:
        start = ppp[start]
        tmp += ccc[start]
        score.append(tmp)
    loop_score = score[-1] + ccc[i]
    loop_len = len(score)

    for j in range(loop_len):
        if j <= k and j != 0:
            loops = (k - j) // loop_len
            thing = score[j] + max(0, loop_score) * loops
            ans = max(ans, thing)
        elif j == 0 and loop_len <= k:
            thing = loop_score * k // loop_len
            ans = max(ans, thing)
print(ans)