제출 #602896

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
602896		MohamedFaresNebili	비스킷 담기 (IOI20_biscuits)	C++14	0 / 100	90 ms	15864 KiB

biscuits

#include <bits/stdc++.h>
/// #pragma GCC optimize ("Ofast")
/// #pragma GCC target ("avx2")
/// #pragma GCC optimize("unroll-loops")

            using namespace std;

            using ll = long long;
            using ii = pair<ll, ll>;
            using vi = vector<int>;

            #define ff first
            #define ss second
            #define pb push_back
            #define all(x) (x).begin(), (x).end()
            #define lb lower_bound

            const int oo = 1000 * 1000 * 1000 + 7;

            ll N; vector<ll> V;
            map<ll, ll> DP[60];
            ll solve(ll i, ll T) {
                if(i == 60) return 1;
                if(DP[i].count(T)) return DP[i][T];
                ll best = 0;
                if(T + V[i] >= N)
                    best += solve(i + 1, (T + V[i] - N) / 2);
                best += solve(i + 1, (T + V[i]) / 2);
                return DP[i][T] = best;
            }

            ll count_tastiness(ll X, vector<ll> A) {
                ll K = A.size(); N = X; ll res = 0;
                for(ll l = 0; l < 60; l++)
                    V.push_back((l < K ? A[l] : 0));
                return solve(0, 0);
            }

컴파일 시 표준 에러 (stderr) 메시지

biscuits.cpp: In function 'll count_tastiness(ll, std::vector<long long int>)':
biscuits.cpp:33:44: warning: unused variable 'res' [-Wunused-variable]
   33 |                 ll K = A.size(); N = X; ll res = 0;
      |                                            ^~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23