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Cod sursa(job #87097)
#include<stdio.h>
#define N 1000000
int n,a[N],b[N],c[N],m,next[N],t[N],rang[N],i,cul[N];
int multime(int k)
{if(t[k]!=k) t[k]=multime(t[k]);
return t[k];}
void uneste(int x,int y,int next_)
{x=multime(x);
y=multime(y);
if(x==y) {next[t[x]]=next_;return;}
if(rang[x] < rang[y])t[x]=y;
else t[x]=x;
if(rang[x]==rang[y]) rang[x]++;
next[t[x]]=next_;}
int main()
{freopen("curcubeu.in","r",stdin);
freopen("curcubeu.out","w",stdout);
scanf("%d %d %d %d",&n,&a[1],&b[1],&c[1]);
t[1]=1;
for(i=2;i<n;i++) {a[i]=a[i-1]*i%n;b[i]=b[i-1]*i%n;c[i]=c[i-1]*i%n;t[i]=i;}
for(i=n-1;i>=1;i--)
{int j=a[i];
while(j<=b[i])
{if(!next[multime(j)])
{cul[j]=c[i];
uneste(a[i],j,j+1);
if(next[multime(j+1)])
{uneste(j,j+1,next[j+1]);
j=next[multime(j)];}
else j++;}
else j=next[j];
}
}
for(i=1;i<n;i++) printf("%d\n",cul[i]);
fclose(stdout);
return 0;}