Submission #5018529
Source Code Expand
#include<bits/stdc++.h> #define debug cout<<"debug\n"; using namespace std; typedef long long ll; ll quick_pow(ll a,ll b){ ll ans=1; while(b){ if(b&1) ans=ans*a; a=a*a; b>>=1; } return ans; } bool pre(ll y,ll x,ll n){ return x*log(y*1.0)>=log(n*1.0); } ll solve(ll x,ll y,ll n,ll a){ if(pre(y,x,n)) return (y+a)*x+1; if(quick_pow(y,x)>n) return (y+a)*x+1; return (y+a)*x+(n+quick_pow(y,x)-1)/quick_pow(y,x); } int main() { ll n,a; cin>>n>>a; ll ans=n; ll l=2,r=n; ll mid,mmid; for(int i=1;i<=1000;i++){ mid=(l+r)>>1; mmid=(mid+r)>>1; //cout<<l<<" "<<r<<" "<<mid<<" "<<mmid<<endl; ll temp1=1e18+5,temp2=1e18+5; for(int x=1;x<=50;x++){ temp1=min(temp1,solve(x,mid,n,a)); temp2=min(temp2,solve(x,mmid,n,a)); } if(temp1<temp2){ r=mmid; }else l=mid; ans=min(ans,min(temp1,temp2)); } ll tt=1e18+5; l-=5,r+=5; for(ll y=max(l,1ll);y<=r;y++) for(int x=1;x<=50;x++){ tt=min(tt,solve(x,y,n,a)); } /*for(int y=2;y<=1e5;y++){ for(int x=1;x<=45;x++){ tt=min(tt,solve(x,y,n,a)); } }*/ cout<<min(ans,tt)<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Cookies |
User | vjudge5 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1074 Byte |
Status | WA |
Exec Time | 10 ms |
Memory | 384 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | 0 / 500 | ||||||||||
Status |
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Set Name | Test Cases |
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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 | 8 ms | 256 KB |
01-02.txt | AC | 8 ms | 256 KB |
01-03.txt | AC | 8 ms | 256 KB |
01-04.txt | WA | 8 ms | 256 KB |
01-05.txt | AC | 8 ms | 256 KB |
01-06.txt | AC | 8 ms | 256 KB |
01-07.txt | AC | 8 ms | 256 KB |
01-08.txt | WA | 8 ms | 256 KB |
01-09.txt | AC | 8 ms | 256 KB |
01-10.txt | WA | 8 ms | 256 KB |
01-11.txt | WA | 8 ms | 256 KB |
01-12.txt | WA | 8 ms | 256 KB |
01-13.txt | AC | 8 ms | 256 KB |
01-14.txt | AC | 8 ms | 256 KB |
01-15.txt | AC | 8 ms | 256 KB |
01-16.txt | AC | 8 ms | 256 KB |
01-17.txt | AC | 8 ms | 256 KB |
01-18.txt | AC | 8 ms | 256 KB |
01-19.txt | AC | 8 ms | 256 KB |
01-20.txt | AC | 6 ms | 256 KB |
01-21.txt | AC | 6 ms | 256 KB |
01-22.txt | AC | 8 ms | 256 KB |
01-23.txt | AC | 8 ms | 256 KB |
01-24.txt | AC | 8 ms | 256 KB |
01-25.txt | AC | 8 ms | 256 KB |
01-26.txt | AC | 8 ms | 256 KB |
02-01.txt | AC | 6 ms | 256 KB |
02-02.txt | AC | 9 ms | 256 KB |
02-03.txt | AC | 8 ms | 384 KB |
02-04.txt | AC | 8 ms | 256 KB |
02-05.txt | AC | 8 ms | 256 KB |
02-06.txt | AC | 8 ms | 256 KB |
02-07.txt | WA | 8 ms | 256 KB |
02-08.txt | WA | 8 ms | 256 KB |
02-09.txt | WA | 8 ms | 256 KB |
02-10.txt | WA | 8 ms | 256 KB |
02-11.txt | WA | 8 ms | 256 KB |
02-12.txt | AC | 8 ms | 256 KB |
02-13.txt | AC | 8 ms | 256 KB |
02-14.txt | AC | 8 ms | 256 KB |
02-15.txt | WA | 8 ms | 256 KB |
02-16.txt | AC | 8 ms | 256 KB |
02-17.txt | AC | 8 ms | 256 KB |
02-18.txt | WA | 8 ms | 256 KB |
02-19.txt | AC | 8 ms | 256 KB |
02-20.txt | WA | 8 ms | 256 KB |
02-21.txt | WA | 8 ms | 256 KB |
02-22.txt | WA | 8 ms | 256 KB |
02-23.txt | WA | 8 ms | 256 KB |
02-24.txt | AC | 8 ms | 256 KB |
02-25.txt | AC | 8 ms | 256 KB |
02-26.txt | AC | 8 ms | 256 KB |
02-27.txt | AC | 8 ms | 256 KB |
02-28.txt | AC | 10 ms | 256 KB |
02-29.txt | AC | 9 ms | 256 KB |
02-30.txt | AC | 8 ms | 256 KB |
02-31.txt | AC | 8 ms | 256 KB |
02-32.txt | WA | 8 ms | 256 KB |
02-33.txt | AC | 8 ms | 256 KB |
02-34.txt | AC | 8 ms | 256 KB |
02-35.txt | AC | 8 ms | 256 KB |
02-36.txt | WA | 8 ms | 256 KB |
02-37.txt | WA | 8 ms | 256 KB |
02-38.txt | AC | 8 ms | 256 KB |
02-39.txt | WA | 8 ms | 256 KB |
02-40.txt | AC | 8 ms | 256 KB |
sample-01.txt | AC | 8 ms | 256 KB |
sample-02.txt | AC | 8 ms | 256 KB |
sample-03.txt | AC | 8 ms | 256 KB |