제출 #805188

#제출 시각아이디문제언어결과실행 시간메모리
805188PixelCat비스킷 담기 (IOI20_biscuits)C++14
9 / 100
1087 ms340 KiB
#include "biscuits.h" #ifdef NYAOWO #include "grader.cpp" #endif #include <bits/stdc++.h> #define For(i, a, b) for(int i = a; i <= b; i++) #define Forr(i, a, b) for(int i = a; i >= b; i--) #define F first #define S second #define all(x) x.begin(), x.end() #define sz(x) ((int)x.size()) #define eb emplace_back #define int LL using namespace std; using i32 = int32_t; using LL = long long; using pii = pair<int, int>; const int MAXK = 60; int a[MAXK + 10]; long long count_tastiness(long long x, std::vector<long long> _a) { memset(a, 0, sizeof(a)); int k = sz(_a); int su = 0; For(i, 0, k - 1) { a[i] = _a[i]; su += (1ll << i) * a[i]; } int ans = 0;; For(s, 0, su) { int cur = 0; bool fail = false; For(i, 0, 19) { cur = cur / 2 + a[i]; if(s & (1 << i)) cur -= x; if(cur < 0) { fail = true; break; } } if(!fail) ans++; } return ans; }
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