Submission #65019531

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#ifndef _Alignof
#define _Alignof __alignof__
#endif
#include <bits/stdc++.h>
#include <numeric>
#define LOOP(n) for (int _i = 0; _i < (n); _i++)
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define RREP(i, n) for (int i = (n); i >= 0; --i)
#define FOR(i, r, n) for (int i = (r); i < (n); ++i)
#define ALL(obj) begin(obj), end(obj)
#define yes "Yes"
#define no "No"
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ll,int> pli;
typedef pair<int,ll> pil;
typedef vector<vector<int>> vvi;
typedef vector<vector<ll>> vvl;
const vector<char> alpha = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};
 
 
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#ifndef _Alignof
#define _Alignof __alignof__
#endif
#include <bits/stdc++.h>
#include <numeric>
#define LOOP(n) for (int _i = 0; _i < (n); _i++)
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define RREP(i, n) for (int i = (n); i >= 0; --i)
#define FOR(i, r, n) for (int i = (r); i < (n); ++i)
#define ALL(obj) begin(obj), end(obj)
#define yes "Yes"
#define no "No"
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ll,int> pli;
typedef pair<int,ll> pil;
typedef vector<vector<int>> vvi;
typedef vector<vector<ll>> vvl;
const vector<char> alpha = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};
int dx[4] = {0, 1, 0, -1};
int dy[4] = {1, 0, -1, 0};
const ll INF = 1e18;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int N, X;
    if (!(cin >> N >> X)) return 0;
    vector<int> S(N), C(N), P(N);
    for (int i = 0; i < N; ++i) cin >> S[i] >> C[i] >> P[i];

    int M = 1 << N;
    vector<vector<double>> dp(M, vector<double>(X + 1, 0.0));

    FOR(m, 1, X + 1) {
        REP(mask, M) {
            double best = dp[mask][m - 1];          // 使わずに残す
            REP(i,N)if (!(mask & (1 << i)) && C[i] <= m) {
                double p = P[i] / 100.0;
                int next_mask = mask | (1 << i);
                int rest = m - C[i];
                double val = p * (S[i] + dp[next_mask][rest]) + (1.0 - p) * dp[mask][rest];
                if (val > best) best = val;
            }
            dp[mask][m] = best;
        }
    }
    cout << fixed << setprecision(10) << dp[0][X] << endl;
}

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