提出 #117329

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ソースコード 拡げる

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <cstdio>
using namespace std;
#define rep(i,n) for(int i=0; i<(int)(n); i++)
#define all(c) (c).begin(), (c).end()
#define iter(c) __typeof((c).begin())
#define pb push_back
#define mp make_pair
typedef long long ll;
const int inf = (1<<28);

int main() {
  ll n, t; cin >> n >> t;
  ll p = 0, q = 0; // prob -> p / q
  rep(i, n) {
    string name, rare; ll rate; cin >> name >> rare >> rate;
    if(name.find("Alicia") != string::npos && rare != "N") p += rate;
    q += rate;
  }
  
  ll usagi = t / 10;
  printf("%.8lf\n", (t-usagi)*((double)p/q));
}

提出情報

ジャッジ結果