제출 #788977

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
7889772023-07-20 18:58:16OzyBoarding Passes (BOI22_passes)C++17
5 / 100
2 ms2132 KiB
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define debug(a) cout << #a << " = " << fixed << setprecision(1) << a << endl
#define debugsl(a) cout << #a << " = " << fixed << setprecision(1) << a << ", "
#define rep(i,a,b) for(int i = (a); i<=(b); i++)
#define repa(i,a,b) for(int i = (a); i>=(b); i--)
#define pll pair<lli,lli>
#define MAX 100000
lli n,k;
long double dp[MAX+2],res,a;
string st;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> st;
n = st.size();
if (n == 1 || n == 2) {
cout << "0.000";
return 0;
}
res = -1;
 
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