笔试强训day02

import math
a,b = input().split()
a = float(a)
price = 20
if a>1:price += math.ceil(a)-1
if b=='y':price += 5
print(price)

#include <bits/stdc++.h>
const int N = 1e5+10;
int cost[N];
int n;
int dp[N];int main()
{std::cin>>n;    for(int i = 0;i<n;++i)std::cin>>cost[i];for(int i = 2;i<=n;++i){dp[i] = std::min(dp[i-1]+cost[i-1],dp[i-2]+cost[i-2]);}std::cout<<dp[n]<<std::endl;return 0;
}

from math import *
t = int(input())
s1,s2 = input().split()
idx1,idx2 = -1,-1
ans = inf
for _ in range(t):s = input()if s1 == s:idx1 = _elif s2 == s:idx2 = _if idx1 !=-1 and idx2 != -1:ans = min(ans,abs(idx1-idx2))
print(-1 if ans == inf else ans)