#define N 6000
#define M 3000
#define P 1000
int A[N][M];
int B[M][P];
int C[N][P];
typedef struct {
  int threadNum;
  int maxThreads;
} multParam

void *multiplier(void *param){
  int i,j,k, currentRow = 0;

  multParam *threadData = (multParam *) (param);

  for(i = threadData->threadNum; i < N; i+= threadData->maxThreads){
      for(j = 0; j < P; j++){
          C[i][j] = 0;
          for(k = 0; k < M; k++){
            C[i][j] += A[i][k] * B[k][j];
          }
      }
  }
  return 0;
}

int main(){
  pthread_t tid[6];
  int i = 0;
   // creating array A
  for(int i = 0; i < N-1;i++){
    for(int j = 0; j < M-1; j++){
      A[i][j] = i*j;
    }
  }
  // creating array B
  for(int i = 0; i < M-1; i++){
    for(int j = 0; j < P-1; j++){
      B[i][j] = i+j;
    }
  }

  for(i = 0; i < maxThreadCount; i++){
    paramArray[i] = malloc(sizeof(multParam));
  }

  for(x = 1; x < 6; x++){
    for(i = 0; i < threadCount; i++){
      paramArray[i]->threadNum = i;
      paramArray[i]->maxThreads = threadCount;
      pthread_create(tid[i], &attr, multiplier, paramArray[i]);
    }
  }



}