C++ Matrix Displaying Prime Numbers (CMDPN)

Random Prime Numbers 0-100

Source Code:

#include <iostream.h>
#include <conio.h>
#include <stdlib.h>

/**
*bundet.com
*C++ Matrik Bilangan Prima Acak 0-100
*/

void main(){
int nilai[100],x;
randomize();
cout << "100 angka yang diinputkan, dan bilangan prima yang diperoleh secara acak : " <<endl<<endl;

 for (int i=0; i<100; i++){
  nilai[i]=random(100);
  x=0;
  for (int j=2; j<=nilai [i]; j++){
       if (nilai[i]%j==0){
   x++;
    }
  }
 if (x==1 && nilai [i]!=0){
  cout <<nilai[i]<<" ";
  }
 }
getch();
}

Prime Matrix Once for Prime Multiple

Source Code:

#include<iostream.h>
#include<conio.h>
#include<stdlib.h>

/**
*bundet.com
*Matrik Menampilkan Sekali Bilangan Prima Multiple
*/

void main() {
 int nilai[100], x, y=0, z, prima[100];

 randomize();
 cout << "100 angka yang diinputkan secara acak: " << endl;

 for (int i=0; i<100; i++) {
  nilai[i]=random(100);
  cout << nilai[i] << " ";
 }

 cout << endl << endl << "Bilangan Prima dari hasil inputan diatas: " << endl;

 for (int i=0; i<100; i++) {
  x=0;
  for (int j=2; j<=nilai[i]; j++) {
   if (nilai[i]%j==0) {
    x++;
   }
  }
  if (x==1 && nilai[i]!=0) {
   prima[y]=nilai[i];
   cout << prima[y] << " ";
   y++;
  }
 }

 cout << endl << endl << "Bilangan prima diatas yg sama dimunculkan sekali: " << endl;

 for (int j=0; j<y; j++) {
  if (j==0) {
   cout << prima[0] << " ";
  }
  else {
   z=0;
   for (int k=0; k<j; k++) {
    if (prima[j] == prima[k]) {
     z++;
    }
   }
   if (z==0) {
    cout << prima[j] << " ";
   }
  }
 }

 getch();
}

Hope this is useful & happy learning!