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Cod sursa(job #92181)
#include <stdio.h>
#define maxim(a, b) ((a > b) ? a : b)
#define minim(a, b) ((a < b) ? a : b)
#define ll long long
#define NMax 1000005
int N, A[NMax], B[NMax], C[NMax], next[NMax], tata[NMax], rang[NMax];
int color[NMax];
int find_multime(int x)
{
if (x != tata[x])
tata[x] = find_multime(tata[x]);
return tata[x];
}
void uneste(int x, int y, int tip)
{
if (rang[x] < rang[y])
tata[x] = y, next[y] = maxim(next[x], next[y]) + tip;
else
{
tata[y] = x;
next[x] = maxim(next[x], next[y]) + tip;
rang[x] += (rang[x] == rang[y]);
}
}
int main(void)
{
int i, j, aux, i1, i2;
freopen("curcubeu.in", "r", stdin);
freopen("curcubeu.out", "w", stdout);
scanf("%d %d %d %d", &N, &A[1], &B[1], &C[1]);
for (i = 2; i < N; i++)
A[i] = ((ll)A[i-1] * i) % N,
B[i] = ((ll)B[i-1] * i) % N,
C[i] = ((ll)C[i-1] * i) % N;
for (i = 1; i < N; i++)
if (A[i] > B[i])
aux = A[i], A[i] = B[i], B[i] = aux;
for (i = 1; i < N; i++)
printf("%d %d %d\n", A[i], B[i], C[i]);
for (i = 1; i <= N; i++) next[i] = i, tata[i] = i, rang[i] = 1;
next[N] = N;
for (i = N-1; i; i--)
{
i1 = find_multime(A[i]);
if (color[A[i]-1])
uneste(i1, find_multime(A[i]-1), +0);
for (j = next[i1]; j <= B[i]; j = next[find_multime(j+1)])
{
color[j] = C[i];
if (A[i] != j)
{
i1 = find_multime(A[i]);
uneste(i1, j, +1);
}
if (j + 1 <= B[i] && next[find_multime(j+1)] != j+1)
{
i1 = find_multime(A[i]);
i2 = find_multime(j+1);
uneste(i1, i2, +0);
}
}
}
for (i = 1; i < N; i++)
printf("%d\n", color[i]);
return 0;
}