This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#ifndef SKY
#include "encoder.h"
#include "encoderlib.h"
#endif // SKY
#include <bits/stdc++.h>
using namespace std;
#define mot (__int128_t)1
#define i128 __int128_t
#ifdef SKY
vector<int> tokens;
void send(int x) {
tokens.push_back(x);
}
void write(__int128_t x)
{
if(x==0)
{
cout<<0<<endl;
return;
}
string s="";
while(x>0)
{
s=(char)(x%10+'0')+s;
x/=10;
}
cout<<s<<endl;
}
#endif // SKY
void encode(int n, int M[])
{
if(n==1)
{
send(M[0]);
return;
}
int length=n*5/8;
__int128_t dp[45][35]={};
for(int i=0;i<32;i++)
dp[length][i]=1;
for(int i=length-1;i>=1;i--)
for(int j=0;j<32;j++)
for(int t=j;t<32;t++)
dp[i][j]+=dp[i+1][t];
for(int k=0;k<8;k++)
{
i128 vt=0;
for(int i=0;i<n;i++)
if((M[i]>>k)&1)
vt+=(mot<<i);
// write(vt);
vt++;
int cuoi=0;
for(int i=1;i<=length;i++)
{
for(int j=cuoi;j<32;j++)
if(dp[i][j]<vt)
{
vt-=dp[i][j];
}else
{
// cout<<j<<endl;
send((k<<5)+j);
cuoi=j;
break;
}
}
}
}
#ifdef SKY
int main(void) {
freopen("ENCODE.inp","r",stdin);
freopen("ENCODE.out","w",stdout);
srand(time(0));
int n; cin >> n;
int a[n];
for (int i = 0; i < n; i++) cin >> a[i];
encode(n, a);
random_shuffle(tokens.begin(),tokens.end());
cout << n << endl;
cout << tokens.size() << endl;
for (int x : tokens) cout << x << " " ; cout << endl;
return 0;
}
#endif // SKY
#ifndef SKY
#include "decoder.h"
#include "decoderlib.h"
#endif // SKY
#include <bits/stdc++.h>
using namespace std;
#define mot (__int128_t)1
#define i128 __int128_t
#ifdef SKY
vector<int> tokens;
void output(int b) {
cout<<b<<" ";
}
void write(__int128_t x)
{
if(x==0)
{
cout<<0<<endl;
return;
}
string s="";
while(x>0)
{
s=(char)(x%10+'0')+s;
x/=10;
}
cout<<s<<endl;
}
#endif // SKY
void decode(int n, int l,int X[])
{
if(n==1)
{
output(X[0]);
return;
}
int length=n*5/8,f[n];
__int128_t dp[45][35]={};
for(int i=0;i<32;i++)
dp[length][i]=1;
for(int i=length-1;i>=1;i--)
for(int j=0;j<32;j++)
for(int t=j;t<32;t++)
dp[i][j]+=dp[i+1][t];
int kq[n]={};
for(int k=0;k<8;k++)
{
i128 vt=0;
int a[n+5]={},dem=0;
for(int i=0;i<l;i++)
if((X[i]>>5)==k)
{
a[++dem]=(X[i]&((1<<5)-1));
// cout<<a[dem]<<endl;
}
sort(a+1,a+1+dem);
//for(int i=1;i<=dem;i++)cout<<a[i]<<" ";cout<<endl;
for(int i=dem;i>=1;i--)
{
int cuoi=(i==1 ? 0 : a[i-1]);
for(int j=cuoi;j<a[i];j++)
vt+=dp[i][j];
}
// write(vt);
for(int i=0;i<n;i++)
if((vt>>i)&1)
kq[i]+=(1<<k);
}
for(int i=0;i<n;i++)
output(kq[i]);
}
#ifdef SKY
int main(void) {
freopen("DECODE.inp","r",stdin);
freopen("DECODE.out","w",stdout);
int n,l;
cin>>n>>l;
int a[l];
for(int i=0;i<l;i++)
cin>>a[i];
decode(n,l,a);
return 0;
}
#endif // SKY
Compilation message (stderr)
decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:43:21: warning: unused variable 'f' [-Wunused-variable]
43 | int length=n*5/8,f[n];
| ^
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