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Cod sursa(job #929089)
#include <fstream>
#include <cstdlib>
#include <iostream>
#include <ctime>
#include <string>
#define DN 600005
using namespace std;
int v[DN],ind[DN];
string x;
int main()
{
srand(time(NULL));
int p;
long long s=0;
ifstream f("congr.in");
ofstream g("congr.out");
f>>p;
getline(f,x); getline(f,x);
for(int i=0;i<x.size();++i)
if(isdigit(x[i]))
{
int nr=0;
while(isdigit(x[i]))
{
nr=nr*10+x[i]-'0';
++i;
}
v[++v[0]]=nr;
ind[++ind[0]]=ind[0];
}
while(s%p)
{
int a=rand()%p+1;
int b=rand()%(p-1)+p+1;
s+=(v[b]-v[a]);
swap(v[a],v[b]);
swap(ind[a],ind[b]);
}
for(int i=1;i<=p;++i)
g<<ind[i]<<" ";
return 0;
}