Submission #1023389


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 1399 Byte
Status WA
Exec Time 2102 ms
Memory 12288 KB

Judge Result

Set Name sample dataset1 dataset2
Score / Max Score 0 / 0 0 / 500 0 / 500
Status
AC × 1
WA × 2
AC × 11
WA × 16
AC × 12
WA × 32
TLE × 25
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
Case Name Status Exec Time Memory
01-01.txt WA 7 ms 1024 KB
01-02.txt WA 7 ms 1024 KB
01-03.txt WA 7 ms 1024 KB
01-04.txt WA 7 ms 1024 KB
01-05.txt WA 7 ms 1024 KB
01-06.txt WA 7 ms 1024 KB
01-07.txt WA 7 ms 1024 KB
01-08.txt WA 7 ms 1024 KB
01-09.txt WA 6 ms 1024 KB
01-10.txt WA 6 ms 1024 KB
01-11.txt WA 6 ms 1024 KB
01-12.txt WA 6 ms 1024 KB
01-13.txt WA 6 ms 1024 KB
01-14.txt AC 6 ms 1024 KB
01-15.txt WA 7 ms 1024 KB
01-16.txt WA 7 ms 1024 KB
01-17.txt WA 7 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 1152 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 TLE 2102 ms 12160 KB
02-03.txt TLE 2102 ms 12160 KB
02-04.txt TLE 2102 ms 12032 KB
02-05.txt TLE 2102 ms 12032 KB
02-06.txt TLE 2102 ms 12032 KB
02-07.txt TLE 2102 ms 11904 KB
02-08.txt TLE 2102 ms 12032 KB
02-09.txt TLE 2102 ms 11904 KB
02-10.txt TLE 2102 ms 11776 KB
02-11.txt TLE 2102 ms 12160 KB
02-12.txt TLE 2102 ms 11904 KB
02-13.txt TLE 2102 ms 12160 KB
02-14.txt TLE 2102 ms 12032 KB
02-15.txt TLE 2102 ms 12288 KB
02-16.txt TLE 2102 ms 12288 KB
02-17.txt TLE 2102 ms 12288 KB
02-18.txt TLE 2102 ms 12160 KB
02-19.txt WA 523 ms 3968 KB
02-20.txt WA 81 ms 1408 KB
02-21.txt WA 12 ms 1024 KB
02-22.txt WA 10 ms 1024 KB
02-23.txt WA 6 ms 1024 KB
02-24.txt WA 6 ms 1024 KB
02-25.txt WA 34 ms 1152 KB
02-26.txt WA 1635 ms 9600 KB
02-27.txt WA 1694 ms 9728 KB
02-28.txt WA 1791 ms 10496 KB
02-29.txt TLE 2102 ms 12160 KB
02-30.txt TLE 2102 ms 12032 KB
02-31.txt TLE 2102 ms 12160 KB
02-32.txt TLE 2102 ms 11904 KB
02-33.txt TLE 2102 ms 12160 KB
02-34.txt TLE 2102 ms 12160 KB
02-35.txt TLE 2102 ms 12032 KB
02-36.txt TLE 2102 ms 12160 KB
02-37.txt WA 117 ms 1792 KB
02-38.txt WA 78 ms 1408 KB
02-39.txt WA 12 ms 1024 KB
02-40.txt WA 10 ms 1024 KB
sample-01.txt AC 6 ms 1024 KB
sample-02.txt WA 6 ms 1024 KB
sample-03.txt WA 6 ms 1024 KB