Submission #7929947
Source Code Expand
#include <bits/stdc++.h> #define pb push_back #define mp make_pair #define int long long #define inf 1000000007 #define LINF 100000000000000007LL #define ll long long using namespace std; signed main(){ int n,a; cin>>n>>a; double loga = log(1.0*n); int ans = LINF; for(int k=0;k<=40;k++){ int ng = 0, ok = (1LL<<40); while( ok - ng > 1 ){ int mid = ( ok + ng ) / 2; double cur = log( 1.0 * mid ) * (k + 1); if( cur >= loga ){ ok = mid; } else{ ng = mid; } } int c = 1, cnt = 0; for(int i=1;i<=k+1;i++){ c *= ok; } while( (c/ok)*(ok-1) >= n ){ cnt++; c = (c/ok) * (ok-1); } int tmp = a*k + ok*(k+1) - cnt; if( ans > tmp ) ans = tmp; } cout<<ans<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Cookies |
User | gbis36 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 763 Byte |
Status | AC |
Exec Time | 6 ms |
Memory | 512 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | 500 / 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 | 6 ms | 512 KB |
01-02.txt | AC | 1 ms | 256 KB |
01-03.txt | AC | 1 ms | 256 KB |
01-04.txt | AC | 1 ms | 256 KB |
01-05.txt | AC | 1 ms | 256 KB |
01-06.txt | AC | 1 ms | 256 KB |
01-07.txt | AC | 1 ms | 256 KB |
01-08.txt | AC | 1 ms | 256 KB |
01-09.txt | AC | 1 ms | 256 KB |
01-10.txt | AC | 1 ms | 256 KB |
01-11.txt | AC | 1 ms | 256 KB |
01-12.txt | AC | 1 ms | 256 KB |
01-13.txt | AC | 1 ms | 256 KB |
01-14.txt | AC | 1 ms | 256 KB |
01-15.txt | AC | 1 ms | 256 KB |
01-16.txt | AC | 1 ms | 256 KB |
01-17.txt | AC | 1 ms | 256 KB |
01-18.txt | AC | 1 ms | 256 KB |
01-19.txt | AC | 1 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 | 1 ms | 256 KB |
02-03.txt | AC | 1 ms | 256 KB |
02-04.txt | AC | 1 ms | 256 KB |
02-05.txt | AC | 1 ms | 256 KB |
02-06.txt | AC | 1 ms | 256 KB |
02-07.txt | AC | 1 ms | 256 KB |
02-08.txt | AC | 1 ms | 256 KB |
02-09.txt | AC | 1 ms | 256 KB |
02-10.txt | AC | 1 ms | 256 KB |
02-11.txt | AC | 1 ms | 256 KB |
02-12.txt | AC | 1 ms | 256 KB |
02-13.txt | AC | 1 ms | 256 KB |
02-14.txt | AC | 1 ms | 256 KB |
02-15.txt | AC | 1 ms | 256 KB |
02-16.txt | AC | 1 ms | 256 KB |
02-17.txt | AC | 1 ms | 256 KB |
02-18.txt | AC | 1 ms | 256 KB |
02-19.txt | AC | 1 ms | 256 KB |
02-20.txt | AC | 1 ms | 256 KB |
02-21.txt | AC | 1 ms | 256 KB |
02-22.txt | AC | 1 ms | 256 KB |
02-23.txt | AC | 1 ms | 256 KB |
02-24.txt | AC | 1 ms | 256 KB |
02-25.txt | AC | 1 ms | 256 KB |
02-26.txt | AC | 1 ms | 256 KB |
02-27.txt | AC | 1 ms | 256 KB |
02-28.txt | AC | 1 ms | 256 KB |
02-29.txt | AC | 1 ms | 256 KB |
02-30.txt | AC | 1 ms | 256 KB |
02-31.txt | AC | 1 ms | 256 KB |
02-32.txt | AC | 1 ms | 256 KB |
02-33.txt | AC | 1 ms | 256 KB |
02-34.txt | AC | 1 ms | 256 KB |
02-35.txt | AC | 1 ms | 256 KB |
02-36.txt | AC | 1 ms | 256 KB |
02-37.txt | AC | 1 ms | 256 KB |
02-38.txt | AC | 1 ms | 256 KB |
02-39.txt | AC | 1 ms | 256 KB |
02-40.txt | AC | 1 ms | 256 KB |
sample-01.txt | AC | 1 ms | 256 KB |
sample-02.txt | AC | 1 ms | 256 KB |
sample-03.txt | AC | 1 ms | 256 KB |