제출 #605412

#제출 시각아이디문제언어결과실행 시간메모리
605412HamletPetrosyan비스킷 담기 (IOI20_biscuits)C++17
0 / 100
99 ms596 KiB
#include "biscuits.h" #include <iostream> #include <map> using namespace std; #define ll long long #define add push_back #define len(a) ((int)(a).size()) #define fr first #define sc second map<ll, ll> dp[70]; long long count_tastiness(long long x, vector<long long> a) { for(int i = 0; i < 70; i++){ dp[i].clear(); } dp[0][0] = 1; for(int i = 0; i <= len(a) + 7; i++){ for(auto v : dp[i]){ dp[i + 1][((v.fr + (i >= len(a) ? 0 : a[i])) / 2)] += v.sc; if((i >= len(a) ? 0 : a[i]) + v.fr >= x) dp[i + 1][(v.fr + (i >= len(a) ? 0 : a[i]) - x) / 2] += v.sc; } } ll ret = 0; for(auto v : dp[len(a) + 7]){ ret += v.sc; } return ret; }
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