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#include "poszukiwania.h"
#include "message.h"

#include <cstdio>
#include <vector>
#include <cmath>

using namespace std;

int main() {
  int d = NumberOfNodes();
  int id = MyNodeId();

  long long N = SeqLength();
  long long M = SignalLength();

  // looking for Signal in Seq

  __int128 x;
  
  long long res = 0;
  int i;

  long long H1 = 13;
  long long H2 = 101;
  long long H3 = 53;

  long long h1 = 0;
  long long h2 = 0;
  long long h3 = 0;
  long long h1x = 0;
  long long h2x = 0;
  long long h3x = 0;


  if (N < 1000) {
	vector<long long> seq(N);
	vector<long long> signal(M);
	for (long long i = 0; i < N; ++i) {
		seq[i] = SeqAt(i+1);
	}
	for (long long j = 0; j < M; ++j) {
		signal[j] = SignalAt(j+1);
	}
	if (id > 0) {
		return 0;
	} else {
		long long cnt = 0;
		for (long long i = 0; i < N - M; ++i) {
			bool found = true;
			for (long long j = 0; j < M; ++j) {
				if(seq[i+j] != signal[j])
					found = false;
			}
			if (found)
				++cnt;
		}
		
  		if (MyNodeId() == 0) printf("%lld\n", cnt);
		return 0;
	}
  }
  // N >= 1000
  // send hashes

  // calculate rolling hash


  long long seg = M / d;

  if (id != d - 1) {
	long long pH1 = pow(H1, id * seg);
	long long pH2 = pow(H2, id * seg);
	long long pH3 = pow(H3, id * seg);

	__int128 ht1 = 0;
	__int128 ht2 = 0;
	__int128 ht3 = 0;
	__int128 ht1x = 0;
	__int128 ht2x = 0;
	__int128 ht3x = 0;


	for (long long j = 0; j < seg; ++j) {
		ht1 += SignalAt(j + id * seg + 1) * pH1; ht1 *= H1; ht1 %= 1000000000001LL;;
		ht2 += SignalAt(j + id * seg + 1) * pH2; ht2 *= H2; ht2 %= 1000000000001LL;;
		ht3 += SignalAt(j + id * seg + 1) * pH3; ht3 *= H3; ht3 %= 1000000000001LL;;
		ht1x += SeqAt(j + id * seg + 1) * pH1; ht1x *= H1; ht1x %= 1000000000001LL;;
		ht2x += SeqAt(j + id * seg + 1) * pH2; ht2x *= H2; ht2x %= 1000000000001LL;;
		ht3x += SeqAt(j + id * seg + 1) * pH3; ht3x *= H3; ht3x %= 1000000000001LL;;
		}

	h1 = ht1;
	h2 = ht2;
	h3 = ht3;
	h1x = ht1x;
	h2x = ht2x;
	h3x = ht3x;
   } else {
	long long segM = M  - (d-1)*(M/d);
	long long pH1 = pow(H1, id * seg);
	long long pH2 = pow(H2, id * seg);
	long long pH3 = pow(H3, id * seg);

	__int128 ht1 = 0;
	__int128 ht2 = 0;
	__int128 ht3 = 0;
	__int128 ht1x = 0;
	__int128 ht2x = 0;
	__int128 ht3x = 0;


	for (long long j = 0; j < segM; ++j) {
		ht1 += SignalAt(j + id * seg + 1) * pH1; ht1 *= H1; ht1 %= 1000000000001LL;;
		ht2 += SignalAt(j + id * seg + 1) * pH2; ht2 *= H2; ht2 %= 1000000000001LL;;
		ht3 += SignalAt(j + id * seg + 1) * pH3; ht3 *= H3; ht3 %= 1000000000001LL;;
		ht1x += SeqAt(j + id * seg + 1) * pH1; ht1x *= H1; ht1x %= 1000000000001LL;;
		ht2x += SeqAt(j + id * seg + 1) * pH2; ht2x *= H2; ht2x %= 1000000000001LL;;
		ht3x += SeqAt(j + id * seg + 1) * pH3; ht3x *= H3; ht3x %= 1000000000001LL;;
		}

	h1 = ht1;
	h2 = ht2;
	h3 = ht3;
 	h1x = ht1x;
	h2x = ht2x;
	h3x = ht3x;
  }

  if (id > 0) {
        PutLL(0, h1);
        PutLL(0, h2);
        PutLL(0, h3);
        PutLL(0, h1x);
        PutLL(0, h2x);
        PutLL(0, h3x);
         Send(0);
  } else {
	__int128 h1s = h1;
	__int128 h2s = h2;
	__int128 h3s = h3;
      	__int128 h1sx = h1x;
	__int128 h2sx = h2x;
	__int128 h3sx = h3x;
	long long h1l = 0;
	long long h2l = 0;
	long long h3l = 0;
	long long h1lx = 0;
	long long h2lx = 0;
	long long h3lx = 0;
                 for (int i = 1; i < d; ++i) {
                int inst = Receive(-1);
                long long h1i = GetLL(inst);
                long long h2i = GetLL(inst);
                long long h3i = GetLL(inst);
                long long h1ix = GetLL(inst);
                long long h2ix = GetLL(inst);
                long long h3ix = GetLL(inst);
		h1s = h1s + h1i; h1s %= 1000000000001LL;
		h2s = h2s + h2i; h2s %= 1000000000001LL;
		h3s = h3s + h3i; h3s %= 1000000000001LL;
		h1sx = h1sx + h1ix; h1sx %= 1000000000001LL;
		h2sx = h2sx + h2ix; h2sx %= 1000000000001LL;
		h3sx = h3sx + h3ix; h3sx %= 1000000000001LL;
		h1l = h1s;
		h2l = h2s;
		h3l = h3s;
		h1lx = h1sx;
		h2lx = h2sx;
		h3lx = h3sx;
         }
	// do the search
	long long cntx = 0;
	if ((h1l == h1lx) && (h2l == h2lx) && (h3l == h3lx)) {
		++cntx;
	}
	for (long long i = M; i < N; ++i) {
		h1lx = (h1lx * H1) + SignalAt(i + 1) * H1 - SignalAt(i - M + 1) * pow(H1, M + 1);
		h2lx = (h2lx * H2) + SignalAt(i + 1) * H2 - SignalAt(i - M + 1) * pow(H2, M + 1);
		h3lx = (h3lx * H3) + SignalAt(i + 1) * H3 - SignalAt(i - M + 1) * pow(H3, M + 1);
		h1lx %= 1000000000001LL;
		h2lx %= 1000000000001LL;
		h3lx %= 1000000000001LL;

 	 	if ((h1l == h1lx) && (h2l == h2lx) && (h3l == h3lx)) {
			++cntx;
		}
	}
 	if (MyNodeId() == 0) printf("%lld\n", cntx);
  }
 
  return 0;
}