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Cod sursa(job #240579)
// multimi2.cpp : Defines the entry point for the console application.
//
#include <stdio.h>
bool e[1000004];
int main()
{
int n,i;
long long a,b=0,c=0,d,pml;
FILE *f1,*f2;
f1=fopen("multimi2.in","r");
f2=fopen("multimi2.out","w");
fscanf(f1,"%d",&n);
d=n;
a=n*(n+1)/2;
while(a-b>n)
{
a=a-n;
b=b+n;
e[n]=true;
c++;
n--;
}
pml=(a-b)/2;
if(!e[pml] && pml!=0)
{
e[pml]=true;
a=a-pml;
b=b+pml;
c++;
}
fprintf(f2,"%d\n",a-b);
fprintf(f2,"%d\n",d-c);
for(i=1;i<=d;i++)
if(e[i]==false)
fprintf(f2,"%d ",i);
fprintf(f2,"\n%d\n",c);
for(i=1;i<=d;i++)
if(e[i]==true)
fprintf(f2,"%d ",i);
fclose(f1);
fclose(f2);
return 0;
}