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Cod sursa(job #206447)
using namespace std;
#include<fstream>
void rest0(int n,ofstream &out){
int i,j;
out<<0<<"\n";
out<<n/2<<"\n";
for(i=1,j=n;i<=n/4;++i,--j)
out<<i<<" "<<j<<" ";
out<<"\n";
out<<n/2<<"\n";
for(;i<j;++i,--j)
out<<i<<" "<<j<<" ";
out<<"\n";
}
void rest1(int n,ofstream &out){
int i,j;
out<<1<<"\n";
out<<n/2+1<<"\n"<<1<<" ";
for(i=2,j=n;i<=n/4+1;++i,--j)
out<<i<<" "<<j<<" ";
out<<"\n";
out<<n/2<<"\n";
for(;i<=j;++i,--j)
out<<i<<" "<<j<<" ";
out<<"\n";
}
void rest2(int n,ofstream &out){
int i,j;
out<<1<<"\n";
out<<n/2+1<<"\n"<<n<<" ";
for(i=1,j=n-2;i<=n/4;++i,--j)
out<<i<<" "<<j<<" ";
out<<"\n";
out<<n/2+1<<"\n"<<n-1<<" ";
for(;i<=j;++i,--j)
out<<i<<" "<<j<<" ";
out<<"\n";
}
void rest3(int n,ofstream &out){
int i,j;
out<<0<<"\n";
out<<n/2+1<<"\n";
for(i=1,j=n-1;i<=(n+1)/4;++i,--j)
out<<i<<" "<<j<<" ";
out<<"\n";
out<<n/2<<"\n";
for(;i<j;++i,--j)
out<<i<<" "<<j<<" ";
out<<n<<"\n";
}
int main(){
ifstream in("multimi2.in");
ofstream out("multimi2.out");
int n;
in>>n;
in.close();
if(n%4==0)
rest0(n,out);
if(n%4==1)
rest1(n,out);
if(n%4==2)
rest2(n,out);
if(n%4==3)
rest3(n,out);
out.close();
return 0;
}