제출 #652933

#제출 시각아이디문제언어결과실행 시간메모리
652933mychecksedad비스킷 담기 (IOI20_biscuits)C++17
9 / 100
1095 ms368 KiB
#include<bits/stdc++.h> using namespace std; typedef long long int ll; int n; ll count_tastiness(ll x, vector<ll> a){ n = a.size(); ll ans = 0; int sum = 0; for(int i = 0; i < n; ++i) sum += (1<<i) * a[i]; for(ll y = 0; y <= sum / x; ++y){ ll c = 0; bool ok = 1; for(ll j = 0; j < 63; ++j){ if((1ll<<j)&y){ c += a[j]; if(c<x){ ok = 0; break; } c-=x; }else{ c += a[j]; } c >>= 1; } if(ok) ans++; } return ans; }
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