Submission #7474964
Source Code Expand
#include<bits/stdc++.h> using namespace std; typedef long long ll; ll N,A; ll mul(ll a,ll b){ if(a>=((ll)1e18-1)/b+1)return (ll)1e18; return min((ll)1e18,a*b); } ll power(ll a,ll x){ ll ans=1; for(;x;x>>=1,a=mul(a,a))if(x&1)ans=mul(ans,a); return ans; } int main(){ cin>>N>>A; ll ans=N; for(int k=1;k<=40;++k) for(int i=0;i<=k;++i){ ll l=1,r=N; while(l<r){ ll mid=l+r>>1; if(mul(power(mid,i),power(mid+1,k-i))>=N)r=mid; else l=mid+1; } ans=min(ans,A*(k-1)+l*k+k-i); } cout<<ans; }
Submission Info
Submission Time | |
---|---|
Task | E - Cookies |
User | rushcheyo |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 554 Byte |
Status | AC |
Exec Time | 5 ms |
Memory | 384 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | 500 / 500 | ||||||
Status |
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|
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Set Name | Test Cases |
---|---|
sample | sample-01.txt, sample-02.txt, sample-03.txt |
dataset1 | sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt |
dataset2 | sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, 02-14.txt, 02-15.txt, 02-16.txt, 02-17.txt, 02-18.txt, 02-19.txt, 02-20.txt, 02-21.txt, 02-22.txt, 02-23.txt, 02-24.txt, 02-25.txt, 02-26.txt, 02-27.txt, 02-28.txt, 02-29.txt, 02-30.txt, 02-31.txt, 02-32.txt, 02-33.txt, 02-34.txt, 02-35.txt, 02-36.txt, 02-37.txt, 02-38.txt, 02-39.txt, 02-40.txt, sample-01.txt, sample-02.txt, sample-03.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 3 ms | 256 KB |
01-02.txt | AC | 3 ms | 256 KB |
01-03.txt | AC | 3 ms | 256 KB |
01-04.txt | AC | 3 ms | 256 KB |
01-05.txt | AC | 3 ms | 256 KB |
01-06.txt | AC | 3 ms | 256 KB |
01-07.txt | AC | 3 ms | 256 KB |
01-08.txt | AC | 3 ms | 256 KB |
01-09.txt | AC | 3 ms | 256 KB |
01-10.txt | AC | 4 ms | 256 KB |
01-11.txt | AC | 4 ms | 256 KB |
01-12.txt | AC | 3 ms | 256 KB |
01-13.txt | AC | 3 ms | 256 KB |
01-14.txt | AC | 3 ms | 256 KB |
01-15.txt | AC | 3 ms | 256 KB |
01-16.txt | AC | 3 ms | 256 KB |
01-17.txt | AC | 3 ms | 256 KB |
01-18.txt | AC | 2 ms | 256 KB |
01-19.txt | AC | 2 ms | 256 KB |
01-20.txt | AC | 1 ms | 256 KB |
01-21.txt | AC | 1 ms | 256 KB |
01-22.txt | AC | 1 ms | 256 KB |
01-23.txt | AC | 1 ms | 256 KB |
01-24.txt | AC | 1 ms | 256 KB |
01-25.txt | AC | 1 ms | 256 KB |
01-26.txt | AC | 1 ms | 256 KB |
02-01.txt | AC | 1 ms | 256 KB |
02-02.txt | AC | 5 ms | 256 KB |
02-03.txt | AC | 5 ms | 256 KB |
02-04.txt | AC | 5 ms | 256 KB |
02-05.txt | AC | 5 ms | 256 KB |
02-06.txt | AC | 5 ms | 256 KB |
02-07.txt | AC | 5 ms | 256 KB |
02-08.txt | AC | 5 ms | 256 KB |
02-09.txt | AC | 5 ms | 256 KB |
02-10.txt | AC | 5 ms | 256 KB |
02-11.txt | AC | 5 ms | 256 KB |
02-12.txt | AC | 5 ms | 256 KB |
02-13.txt | AC | 5 ms | 256 KB |
02-14.txt | AC | 5 ms | 256 KB |
02-15.txt | AC | 5 ms | 256 KB |
02-16.txt | AC | 5 ms | 256 KB |
02-17.txt | AC | 5 ms | 256 KB |
02-18.txt | AC | 5 ms | 256 KB |
02-19.txt | AC | 5 ms | 256 KB |
02-20.txt | AC | 5 ms | 256 KB |
02-21.txt | AC | 5 ms | 256 KB |
02-22.txt | AC | 5 ms | 256 KB |
02-23.txt | AC | 5 ms | 256 KB |
02-24.txt | AC | 5 ms | 256 KB |
02-25.txt | AC | 4 ms | 256 KB |
02-26.txt | AC | 5 ms | 256 KB |
02-27.txt | AC | 5 ms | 256 KB |
02-28.txt | AC | 5 ms | 256 KB |
02-29.txt | AC | 5 ms | 256 KB |
02-30.txt | AC | 5 ms | 256 KB |
02-31.txt | AC | 5 ms | 256 KB |
02-32.txt | AC | 5 ms | 256 KB |
02-33.txt | AC | 5 ms | 256 KB |
02-34.txt | AC | 5 ms | 256 KB |
02-35.txt | AC | 5 ms | 256 KB |
02-36.txt | AC | 5 ms | 256 KB |
02-37.txt | AC | 5 ms | 256 KB |
02-38.txt | AC | 5 ms | 256 KB |
02-39.txt | AC | 5 ms | 384 KB |
02-40.txt | AC | 5 ms | 256 KB |
sample-01.txt | AC | 1 ms | 256 KB |
sample-02.txt | AC | 5 ms | 256 KB |
sample-03.txt | AC | 3 ms | 256 KB |