深信服。9、1
第一：日志
T = int(input()) store = [] for _ in range(T): store.append(input()) mode = 10**9+7 for item in store: s_count = 0 w_socre = 0 ans = 0 for ch in item: if ch == "s": s_count += 1 elif ch == "w": temp = w_socre + s_count w_socre = temp elif ch == "r": ans += w_socre print(ans % mode)第二：旅游
T = int(input()) store = [] for _ in range(T): N = int(input()) mid = [] for _ in range(N): s, e = map(int, input().split()) mid.append([s, e]) store.append([N,mid]) for item in store: N = item[0] mid = item[1] time = [] for s, e in mid: time.append((s,"a")) time.append((e,"b")) time.sort(key = lambda x: [x[0],x[1]]) ans = 0 cur = 0 for t, c in time: if c == "a": cur += 1 elif c == "b": cur -= 1 ans = max(cur, ans) print(ans)第三：五进制
T = int(input())
store = []
for _ in range(T):
store.append(input())
mdic = {"o":0,"y":1,"e":2,"a":3,"s":4}
rdic = {"0":"o", "1":"y","2":"e","3":"a","4":"s"}
def change(n, x):
a = [0, 1, 2, 3, 4]
b = []
while True:
s = n // x
y = n % x
b = b + [y]
if s == 0:
break
n = s
result = [rdic[str(a[i])] for i in b[::-1]]
return "".join(result)
for item in store:
if item[0].isdigit():
tar = change(int(item), 5)
print(tar)
else:
ans = [str(mdic[t]) for t in item]
print(int("".join(ans), 5)) 
