Submission #1023390
Source Code Expand
#include<bits/stdc++.h> using namespace std; typedef long long LL; struct cww{cww(){ios::sync_with_stdio(false);cin.tie(0);}}star; #define fin "\n" #define FOR(i,bg,ed) for(int i=(bg);i<(ed);i++) #define REP(i,n) FOR(i,0,n) template <typename T> inline void chmin(T &l,T r){l=min(l,r);} template <typename T> inline void chmax(T &l,T r){l=max(l,r);} LL A; map<LL,LL> dp; const int M=1e5; LL val[M]; void init(){ iota(val,val+M,0); FOR(i,1,M){ for(int j=i+i,t=2;j<M;j+=i,t++) chmin(val[j],val[i]+A+t); } for(int i=M-2;i>=1;i--){ chmin(val[i],val[i+1]); } } LL f(const LL n){ if(dp.count(n))return dp[n]; if(n<M)return val[n]; //cout<<n<<endl; LL x=n,nx; LL y=n,ny; LL w=n; auto g=[&](LL i){ if(i>n)return n; if(i<=1)return n; LL m=(n+i-1)/i; if(m==n)return n; return f(m)+A+i; }; while(w>1){ //cout<<n<<":"<<x<<" "<<y<<" "<<w<<endl; if ((ny=g(nx=x+w)) < y) y = ny, x = nx; else if ((ny=g(nx=x-w)) < y) y = ny, x = nx; w=(w+1)/2; } LL ans=y; for(int i=-3;i<=3;i++)chmin(ans,g(x+i)); //cout<<n<<" "<<ans<<endl; return dp[n]=min(ans,n); } int main(){ LL N; dp[1]=1; cin>>N>>A; init(); cout<<f(N)<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Cookies |
User | btk15049 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1401 Byte |
Status | WA |
Exec Time | 407 ms |
Memory | 10496 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 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 6 ms | 1024 KB |
01-02.txt | AC | 6 ms | 1024 KB |
01-03.txt | AC | 6 ms | 1024 KB |
01-04.txt | AC | 6 ms | 1024 KB |
01-05.txt | AC | 6 ms | 1024 KB |
01-06.txt | AC | 6 ms | 1024 KB |
01-07.txt | AC | 6 ms | 1024 KB |
01-08.txt | AC | 6 ms | 1024 KB |
01-09.txt | AC | 6 ms | 1024 KB |
01-10.txt | WA | 6 ms | 1024 KB |
01-11.txt | AC | 6 ms | 1024 KB |
01-12.txt | WA | 6 ms | 1024 KB |
01-13.txt | AC | 6 ms | 1024 KB |
01-14.txt | AC | 6 ms | 1024 KB |
01-15.txt | AC | 6 ms | 1024 KB |
01-16.txt | AC | 6 ms | 1024 KB |
01-17.txt | AC | 6 ms | 1024 KB |
01-18.txt | AC | 6 ms | 1024 KB |
01-19.txt | AC | 6 ms | 1024 KB |
01-20.txt | AC | 6 ms | 1024 KB |
01-21.txt | AC | 6 ms | 1024 KB |
01-22.txt | AC | 6 ms | 1024 KB |
01-23.txt | AC | 6 ms | 1024 KB |
01-24.txt | AC | 6 ms | 1024 KB |
01-25.txt | AC | 6 ms | 1024 KB |
01-26.txt | AC | 6 ms | 1024 KB |
02-01.txt | AC | 6 ms | 1024 KB |
02-02.txt | AC | 353 ms | 9728 KB |
02-03.txt | AC | 368 ms | 9856 KB |
02-04.txt | AC | 399 ms | 9984 KB |
02-05.txt | AC | 396 ms | 10112 KB |
02-06.txt | AC | 387 ms | 9984 KB |
02-07.txt | AC | 399 ms | 10112 KB |
02-08.txt | AC | 384 ms | 9984 KB |
02-09.txt | AC | 382 ms | 9984 KB |
02-10.txt | AC | 374 ms | 9984 KB |
02-11.txt | AC | 386 ms | 9984 KB |
02-12.txt | AC | 363 ms | 9856 KB |
02-13.txt | AC | 300 ms | 8704 KB |
02-14.txt | AC | 241 ms | 7680 KB |
02-15.txt | AC | 169 ms | 5888 KB |
02-16.txt | AC | 115 ms | 4608 KB |
02-17.txt | AC | 76 ms | 3584 KB |
02-18.txt | AC | 48 ms | 2560 KB |
02-19.txt | WA | 14 ms | 1408 KB |
02-20.txt | WA | 7 ms | 1024 KB |
02-21.txt | WA | 6 ms | 1024 KB |
02-22.txt | WA | 6 ms | 1024 KB |
02-23.txt | WA | 6 ms | 1024 KB |
02-24.txt | AC | 6 ms | 1024 KB |
02-25.txt | AC | 7 ms | 1024 KB |
02-26.txt | AC | 42 ms | 2176 KB |
02-27.txt | AC | 44 ms | 2176 KB |
02-28.txt | AC | 47 ms | 2304 KB |
02-29.txt | AC | 281 ms | 8192 KB |
02-30.txt | AC | 192 ms | 6144 KB |
02-31.txt | AC | 289 ms | 8064 KB |
02-32.txt | AC | 68 ms | 2816 KB |
02-33.txt | AC | 407 ms | 10496 KB |
02-34.txt | AC | 223 ms | 6656 KB |
02-35.txt | AC | 325 ms | 8960 KB |
02-36.txt | AC | 207 ms | 6784 KB |
02-37.txt | WA | 8 ms | 1152 KB |
02-38.txt | AC | 7 ms | 1152 KB |
02-39.txt | AC | 6 ms | 1024 KB |
02-40.txt | AC | 6 ms | 1024 KB |
sample-01.txt | AC | 6 ms | 1024 KB |
sample-02.txt | AC | 6 ms | 1024 KB |
sample-03.txt | AC | 6 ms | 1024 KB |