Tugas C++

#include<stdio.h>
#include<conio.h>
           
main()
{    
     
float JJK,upah,n,i;

printf("\nmasukkan jumlah karyawan\t:");
scanf("%f",&n);

for (i=1; i<=n; i++)
{
printf("\njumlah jam kerja\t:");
scanf("%f",&JJK);

if (JJK<=48)
{
upah=JJK*2000;
printf("\nupah karyawan \t\t:Rp.%10.2f",upah);
}
else if(JJK>48)                    
{
upah=48*2000+(JJK-48)*3000;
printf("\nupah karyawan \t\t:Rp.%10.2f",upah);
}
}
printf("\n\n\n\t\t\t\tichank08@rocketmail.com");
getch();
}
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#include <stdio.h>
#include <conio.h>

main()
{
printf("menentukan nilai index mahasiswa\n");
     
char nilai;
int i,n;

printf("\nmasukkan jumlah mahasiswa\t:");
scanf("%d",&n);

for (i=1; i<=n; i++)
{
printf("\nmasukan Nilai Mahasiswa\t:");
scanf("%d",&nilai);
if(nilai>=80)
printf("\n\tindex nilai \"A\"");
else
if(nilai>=70)
printf("\n\tindex nilai \"B\"");
else
if(nilai>=60)
printf("\n\tindex nilai \"C\"");
else
if(nilai>=50)
printf("\n\tindex nilai \"D\"");
else
printf("\n\tindex nilai \"E\"");
}
getch();
printf("\n\n\n\t\t\t\tichank08@rocketmail.com");
}
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#include <stdio.h>
#define size 100

struct barang{float jml;float harga;};
struct data{char nama[size];struct barang nil;};
struct data bar[size];

void variabel(void);
void decision(void);
void looping(void);
void fungsi(void);
void deret(void);
void string(void);
void pointer(void);
void struktur(void);

int ganjil_call (int x){
 if(x%2==0)
 return (0);
 else
 return (1);
}

int go_crazy(int *p1, int *p2){
 int x = 5;
 int r, q = 7;
 r = 12;
 *p2 = *p1 * 2;
 p1 = &x;
 return *p1 * 3;


void

tampil (int *i)
 {
 int a;

 for (a=0;a<*i;a++)
 {
 printf ("Masukkan Nama Barang: ");
 fgets (bar[a].nama,sizeof bar[a].nama,stdin);
 fflush(stdin);

 printf("Masukkan Jumlah barang    : ");
 scanf_s("%f", &bar[a].nil.jml);
 fflush(stdin);

 printf("Masukkan Harga Barang     : ");
 scanf_s("%f", &bar[a].nil.harga);
 fflush(stdin);

 printf("\n");
 fflush(stdin);
 }

 for(a=0;a<*i;a++)
 {
 printf("%d. Nama Barang : %s", a+1, bar[a].nama);
 printf("   Total Harga : %g\n", bar[a].nil.jml*bar[a].nil.harga);

 printf("\n");
 }
}

void print_menu(){
 printf ("1.variabel \n");
 printf ("2.decision \n");
 printf ("3.looping \n");
 printf ("4.fungsi \n");
 printf ("5.array \n");
 printf ("6.string \n");
 printf ("7.pointer \n");
 printf ("8.struktur \n");
 }

void pilihan(){
 int pil;

 print_menu();
 printf ("pilih menu yang di inginkan : ");
 scanf_s ("%d",&pil);
 puts ("");

 if (pil==1){
 variabel();
 }
 else if (pil==2){
 decision();
 }
 else if (pil==3){
 looping();
 }
 else if (pil==4){
 fungsi();
 }
 else if (pil==5){
 deret();
 }
 else if (pil==6){
 string();
 }
 else if (pil==7){
 pointer();
 }
 else if (pil==8){
 struktur();
 }
 else{
 pilihan();
 }
}

void variabel(){
 float harga;
 int jml;

 printf ("masukkan jumlah barang :");
 scanf_s ("%d",&jml);
 printf ("masukkan harga :");
 scanf_s ("%f",&harga);

 harga=(jml*harga*10/100)+jml*harga;

 printf ("harga barang+ppn :%.2f\n\n",harga);
}

void decision(){
 int validasi=1;   //validasi diinisialisaikan=1
 char opr;
 float bil1,bil2,hsl;

 printf ("Kalkulator Sederhana\n");
 printf ("Masukkan bilangan 1 :");
 scanf_s ("%f",&bil1);
 fflush(stdin);
 printf ("Masukkan bilangan 2 :");
 scanf_s ("%f",&bil2);
 fflush(stdin);
 printf ("Pilihan operasi\n");
 printf ("1.Penjumlahan\n");
 printf ("2.Pengurangan\n");
 printf ("3.Pembagian\n");
 printf ("4.Perkalian\n");
 printf ("Masukkan operasi yang anda inginkan :");
 scanf_s ("%c",&opr);

 if (opr == '1')
 hsl= bil1+bil2;
 else if (opr== '2')
 hsl= bil1-bil2;
 else if (opr == '3')
 hsl= bil1/bil2;
 else if (opr == '4')
 hsl= bil1*bil2;
 else
 validasi=0;

 if (validasi)
 printf ("Hasil operasi tsb adalah :%g\n",hsl);
 else
 printf ("Tidak Bisa Dihitung!!!!!.....\n");
}

void looping(){
 int n,total=0,bil;
 char pil='y';

 while(pil=='y'||pil=='Y'){
 fflush(stdin);
 printf ("masukkan bilangan yang akan di hitung : ");
 scanf_s ("%d",&bil);
 for( n = 1; n <= bil; n=n+1 )
 total=total+n;
 printf("jumlah bilangan triangular adalah :%d \n",total);
 fflush(stdin);
 printf ("ingin menghitung lagi : ");
 scanf_s ("%c",&pil);
 }
}

void fungsi(){
 int m,n;

 printf ("Masukkan Sebuah Bilangan : ");
 scanf_s ("%d",&n);

 m=ganjil_call(n);
 if (m==0)
 printf ("Bilangan Tersebut Genap\n");
 else
 printf ("Bilangan Tersebut Ganjil\n");
}

void deret(){
 char cocok [size];
 int i, x, jumkar;

 fflush(stdin);
 printf("Masukkan sebuah kalimat : ");
 fgets(cocok, sizeof cocok, stdin);

 for(i='A'; i<='z'; i++)
 {
 jumkar = 0;
 for(x=0; x<size; x++)
 {
 if (i==cocok [x])
 {
 jumkar++;
 }
 }
 if(jumkar!=0)
 printf("%c = %d\n", i, jumkar);

 }

 puts("");

}

void string(){
 char kal[size];
 int i=0;

 fflush(stdin);
 printf("Masukkan kalimat yg akan di sandikan :");
 fgets(kal, sizeof kal, stdin);

 while(kal[i] != '\n')
 {
 if(kal[i] >= 'A' && kal[i] <'Z')
 kal[i] = kal[i] + 1;
 else if (kal[i] == 'Z')
 kal[i] = 'A';
 else if (kal[i] >= 'a' && kal[i] <'z')
 kal[i] = kal[i] + 1;
 else if (kal[i] == 'z')
 kal[i] = 'a';
 else if (kal[i] >= '1' && kal[i] < '9')
 kal[i] = kal[i] + 1;
 else if (kal[i] == '9')
 kal[i] = '1';
 else if (kal[i] == ' ')
 kal[i] = ' ';

 i++;
 }

 printf("Kalimat setelah disandikan adalah :\n");
 printf("%s\n", kal);

}

void pointer(){
 int r, q = 7;
 int *ptr1 = &q;
 int *ptr2 = &q;

 r = go_crazy(ptr1, ptr2);

 printf("q = %d, r = %d, *ptr1 = %d, *ptr2 = %d\n", q, r,*ptr1,*ptr2);
 ptr2 = &r;
 go_crazy(ptr2, ptr1);
 printf("q = %d, r = %d, *ptr1 = %d, *ptr2 = %d\n", q, r,*ptr1,*ptr2);

}

void struktur(){
 int n;

 printf("Masukkan Banyak Barang : ");
 scanf_s("%d",&n);
 printf("\n");
 fflush(stdin);

 tampil(&n);
}

main(){
 pilihan();
   }
 getch();
 }}