how to solve 4.6

c++ :
#include<iostream>
#include<conio.h>
using namespace std;
main()
{
int data[10] = {4, 1, 0, -9, 8, 5, -1, 2, 3, -7};
int elemen, ketemu,x;
cout <<"Data yang dicari : ";cin >> x;
ketemu = 0;


for(elemen=0; elemen<= 9; elemen++)
{
if (data[elemen] == x)
{ ketemu =!ketemu;
break;
}
}
if (ketemu == 0) cout << "Data tidak ditemukan ";
else cout << "Data ada di elemen : "<< elemen;

getch();
}

SUBPROGRAM :

#include <iostream>

#include <conio.h>

using namespace std;

void coba(int elemen,int ketemu){

int data[10]={4, 1, 0, -9, 8, 5, -1, 2, 3, -7};

int x;

for(elemen=0; elemen<= 9; elemen++){

ketemu = 0;

{

if (data[elemen] == x)

{ ketemu =!ketemu;

}

}

}

if (ketemu == 0){

cout << "Data tidak ditemukan ";}

else {

cout << "Data ada di elemen : "<< elemen;}

}

main(){

int data[10]={4, 1, 0, -9, 8, 5, -1, 2, 3, -7};

int x,elemen,ketemu;

cout <<"Data yang dicari : ";cin >> x;

coba(elemen,ketemu);

getch();

}

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how to solve 4.5

c++ :
#include <iostream>
using namespace std;

void quicksort(int *arr, int kiri, int kanan){
int tmp,i=kiri,j=kanan,cetak;
int pivot=arr[(kiri+kanan)/2];

while(i<=j){
while (arr[i]<pivot){
i++;
}
while (arr[j]>pivot){
j--;
}
if(i<=j){
tmp=arr[i];
arr[i]=arr[j];
arr[j]=tmp;
i++;
j--;
}
}
if(kiri<j)
quicksort(arr,kiri,j);
if(i<kanan)
quicksort(arr,i,kanan);
}
int main(){
int data[8]={17,10,13,15,18,12,14,16};
cout<<"awal : "<<data[8];
quicksort(data,0,7);
cout<<"terurut : "<<data[8];
return 0;
}

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how to solve 4.4

#include <iostream>
#include <conio.h>
#include <stdio.h>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char** argv) {
int a[20], i, j, k ,n;
cout<<" enter aray size : ";
cin>>n;
cout<<" enter aray "<<n<<" elemen : \n";
for(i=0;i<n;i++){
cin>>a[i];
}

cout<<" new aray elemen are : ";
for(i=0;i<n;i++){
for(j=i+1;j<n;){
if(a[j]==a[i]){
for(k=j;k<n;k++){
a[k]=a[k+1];
}
n--;
}
else{
j++;
}
}
}
for(i=0;i<n;i++){
cout<<a[i]<<" ";
}

}

SUBPROGRAM :

#include <iostream>

#include <conio.h>

#include <stdio.h>

using namespace std;

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

void masuk(int a[20]){

int i,n,j,k;

for(i=0;i<n;i++){

 cin>>a[i];

 }

cout<<" new aray elemen are : ";

for(i=0;i<n;i++){

 for(j=i+1;j<n;){

  if(a[j]==a[i]){

   for(k=j;k<n;k++){

    a[k]=a[k+1];

   }

   n--;

  }

  else{

   j++;

  }

 }

}

for(i=0;i<n;i++){

 cout<<a[i]<<" ";

}

}

int main(int argc, char** argv) {

int a[20], i, j, k ,n;

cout<<" enter aray size : ";

cin>>n;

cout<<" enter aray "<<n<<" elemen : \n";

masuk(a);

}

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how to solve 4.3

c++ :
#include <iostream>
#include <conio.h>
using namespace std;
main()
{
    int nilai[3],a,min,maks;
 cout<<"masukan berapa nilai yang mw di masukan : ";
 cin>>min;
    for(a=1;a<=min;a++){
   cout<<"Masukkan nilai ke-"<<a<<":";
   cin>>nilai[a];
    }
   maks = nilai[1];
   for(a=1;a<=min;a++){
    if(nilai[a] > maks){
   maks = nilai[a];
}
   }
   cout<<"nilai maksimum adalah : "<<maks<<endl;

getch();
return 0;
}

SUBPROGRAM :
#include <iostream>
#include <conio.h>
using namespace std;
void coba_lagi(int nilai[3],int a,int min,int maks){
   for(a=1;a<=min;a++){
   cout<<"Masukkan nilai ke-"<<a<<":";
   cin>>nilai[a];
    }
   maks = nilai[1];
   for(a=1;a<=min;a++){
    if(nilai[a] > maks){
   maks = nilai[a];
}
   }
   cout<<"nilai maksimum adalah : "<<maks<<endl;


}

main()
{
    int nilai[3],a,min,maks;
 cout<<"masukan berapa nilai yang mw di masukan : ";
 cin>>min;
coba_lagi(nilai,a,min,maks);
getch();
return 0;
}

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how to solve no.1

c++ :
#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char** argv) {
int m,n,c,d,first[10][10],second[10][10],sum[10][10];
cout<<" masukan baris dan colom : \n";
cin>>m>>n;
cout<<"masukan angka : \n";
for(c=0;c<m;c++){
for(d=0;d<n;d++){
cin>>first[c][d];
}
cout<<endl;
}
cout<<" balikannya : \n";
for(c=0;c<m;c++){
for(d=0;d<n;d++){
cout<<first[d][c];
}
cout<<endl;
}

for(c=0;c<m;c++){
for(d=0;d<n;d++){
sum[c][d]=first[c][d]+first[d][c];
}
}
cout<<"jumlah\n";
for(c=0;c<m;c++){
for(d=0;d<n;d++){
cout<<sum[c][d]<<"\t";
cout<<endl;
}
}

return 0;
}

SUBPROGRAM  : 

#include <iostream>

using namespace std;

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

void masuk_keluar(int first[10][10],int second[10][10],int sum[10][10]){

int m,n,c,d;

for(c=0;c<m;c++){

for(d=0;d<n;d++){

cin>>first[c][d];

}

cout<<endl;

}

cout<<" balikannya : \n";

for(c=0;c<m;c++){

for(d=0;d<n;d++){

cout<<first[d][c];

}

cout<<endl;

}

for(c=0;c<m;c++){

for(d=0;d<n;d++){

sum[c][d]=first[c][d]+first[d][c];

}

}

cout<<"jumlah\n";

for(c=0;c<m;c++){

for(d=0;d<n;d++){

cout<<sum[c][d]<<"\t";

cout<<endl;

}

}

}

int main(int argc, char** argv) {

int m,n,c,d,first[10][10],second[10][10],sum[10][10];

cout<<" masukan baris dan colom : \n";

cin>>m>>n;

cout<<"masukan angka : \n";

masuk_keluar(first,second,sum);

 return 0;

}

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