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Cod sursa(job #305668)
#include<iostream>
#include<stdio.h>
using namespace std;
int ok,d,k,i,n;
int main()
{
FILE *f=fopen("multimi2.in","r"), *g=fopen("multimi2.out","w");
fscanf(f,"%d",&n);
d=((n*(n+1))/2);
fprintf(g,"%d\n",d%2);
if(n%2==0)
{fprintf(g,"%d\n",n/2);
ok=1;
for(i=n;i>=2;i-=k)
{fprintf(g,"%d ",i);
ok*=-1;
if(ok==1)k=1;
else k=3;
}
ok=1;
fprintf(g,"\n%d\n",n/2);
for(i=n-1;i>=1;i-=k)
{fprintf(g,"%d ",i);
ok*=-1;
if(ok==1)k=3;
else k=1;
}
}
else
{fprintf(g,"%d\n",n/2+1);
ok=1;
for(i=n;i>=1;i-=k)
{fprintf(g,"%d ",i);
ok*=-1;
if(ok==1)k=1;
else k=3;
}
fprintf(g,"\n%d\n",n/2);
ok=1;
for(i=n-1;i>=3;i-=k)
{fprintf(g,"%d ",i);
ok*=-1;
if(ok==1)k=3;
else k=1;
}
}
fprintf(g,"\n");
fclose(f);
fclose(g);
return 0;
}