Apa aja

#include
int isprima(int x);
float pangkat (float basis, int n);
float kpk(int x, int y);
float fpb(int x, int y);
main()
{
float X,Y,hasil;
int A,B,pilihan;
int Z;
char ulangi;
do{
printf("Pilihan operasi: ");
printf("\n1. X + Y\n2. X - Y\n3. X x Y\n4. X / Y");
printf("\n5. X Pangkat Y\n6. KPK X dan Y\n7. FPB X dan Y\n8. Cek prima X");
printf("\nPilihan anda: ");scanf("%d",&pilihan);
switch(pilihan)
{
case 1:
printf("\nX = ");scanf("%f",&X);
printf("Y = ");scanf("%f",&Y);
hasil = X + Y;
break;
case 2:
printf("\nX = ");scanf("%f",&X);
printf("Y = ");scanf("%f",&Y);
hasil = X - Y;
break;
case 3:
printf("\nX = ");scanf("%f",&X);
printf("Y = ");scanf("%f",&Y);
hasil = X * Y;
break;
case 4:
printf("\nX = ");scanf("%f",&X);
printf("Y = ");scanf("%f",&Y);
hasil = X / Y;
break;
case 5:
printf("\nX = ");scanf("%f",&X);
printf("Y = ");scanf("%d",&B);
hasil = pangkat(X,B);
break;
case 6:
printf("\nX = ");scanf("%d",&A);
printf("Y = ");scanf("%d",&B);
Z = kpk(A,B);
hasil = Z;
break;
case 7:
printf("\nX = ");scanf("%d",&A);
printf("Y = ");scanf("%d",&B);
Z = fpb(A,B);
hasil = Z;
break;
case 8:
printf("\nX = ");scanf("%d",&A);
Z = isprima(A);
if (Z==1)
printf("X adalah bilangan prima\n");
else
printf("X bukan bilangan prima\n");
break;
default:
printf("Pilihan anda salah!!");
}
if((pilihan<=7) && (pilihan>=1))
printf("Hasil = %f",hasil);

printf("\n");
printf("Ulangi operasi (Y/N)? ");
scanf("%s",&ulangi);
}while((ulangi=='Y')||(ulangi=='y'));
}

int isprima(int x)
{
int n,t=1,s;
if ( x < 2 )
{s = 0;}
else
{
for (n=2;t!=0;n++)
{
t = x%n;
}
n--;
if(n==x)
{s = 1;}
else
{s = 0;}
}
return (s);
}

float pangkat (float basis, int n)
{
int i;
float p;
p = 1;
for (i = 1; i <= n; ++i)
p = p* basis;
return p;
}


float kpk(int x, int y)
{
int w=1,n;
int z;
if (x < y)
{
for (n=1; w != 0; n++)
{ z = y * n;
w = z % x;
}
}
else
{
for (n=1; w != 0; n++)
{ z = x * n;
w = z % y;
}
}
return (z);
}


float fpb(int x,int y)
{
int sisabagi;
float hasil;
if(y<=x && x%y==0)
{
return(y);
}
else if(x{
hasil=fpb(y,x);
return(hasil);
}
else
sisabagi=x%y;
hasil=fpb(y,sisabagi);
return(hasil);
}

#include
#include
#include
#include
float x,xo,x1, error,iterasi_max,E;
int i;
char lagi;


double f(double x);


void main()

{



do
{
clrscr();
i=0;
printf("masukkan nilai xo: "); scanf("%f",&xo);
printf("masukkan nilai x1: "); scanf("%f",&x1);
printf("masukkan nilai E : "); scanf("%f",&E);
printf("masukkan nilai iterasi_max: "); scanf("%f",&iterasi_max);
do{
x=x1-(f(x1)*(x1-xo)/f(x1)-f(xo));
xo=x1;
x1=x;
error=(fabs(x-xo));
cout<<"Iterasi ke "< printf("nilai dari x = %f\n",x);
printf("nilai dari xo = %f\n",xo);
printf("nilai dari x1 = %f\n",x1);
printf("nilai dari = %f\n",E);
i++;
}
while((error>=E) || (i
cout<<"_________________________________"< cout<<" Apakah Anda Ingin Mengulang Proses Kembali ?? [tekan Y]"< cin>>lagi;
}
while(lagi=='y' || lagi=='Y');
getch();


}
double f(double x)
{ double s;
s=pow(2.718,x)-(5*pow(x,2));
return(s);
}

#include
#include
#include
#define Nmaks 3
void menu();
void jumlah();
void invers();
void tranpose();

void main()
{ char chrpilihan;
do{
menu();
fflush(stdin);
scanf("%c",&chrpilihan);
if((chrpilihan == 'x') || (chrpilihan == 'X'))
{printf("Terima kasih\n");
break;
}
switch(chrpilihan)
{ case '1':
invers();
break;

case '2':
jumlah();
break;

case '3':
tranpose();
break;

default:
printf("kode tidak ditemukan");
}
}while(chrpilihan !='x');
}

void menu()
{
printf("\n\t\tprogram MATRIKS 2x2 \n");
printf("=======================================================\n");
printf("1.invers matrik\n");
printf("2.penjumlahan matrik\n");
printf("3.tranpose matrik\n");
printf("untuk keluar dari program silahkan tekan (x atau X)\n");
printf(" \n");
printf("masukkan pilihan anda: ");
}

void jumlah()
{ printf("penjumlahan matriks");
clrscr();
int matrix[20][30], matrix2[2][3],jumlah[2][3];
int i, j;

cout<<"matrix A :";
cout<for (i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
cout<<"masukkan nilai baris"< cin>>matrix[i][j];
}
}

cout<<"\nMatrix B :\n";
for (i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
cout<<"masukkan nilai baris"< cin>>matrix2[i][j];
}
}


//proses hitung

for (i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
jumlah[i][j]=matrix[i][j] + matrix2[i][j];
}
}



//output penjumlahan
cout<
//output jumlah



gotoxy(1,20);
cout<<"C = ";
for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
gotoxy(3+4*j,17+2*i);
cout< }
}

gotoxy(17,20);
cout<<" + ";
for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
gotoxy(18+4*j,17+2*i);
cout< }
}

gotoxy(32,20);
cout<<" = ";
for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
gotoxy(33+4*j,17+2*i);
cout< }
}

getch();

}



void tranpose()
{ clrscr();
int matrix[20][30], matrix2[2][3],jumlah[2][3];
int i, j;

cout<<"matrix A :";
cout<for (i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
cout<<"masukkan nilai baris"< cin>>matrix[i][j];
}
}

cout<<"\nMatrix B :\n";
for (i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
cout<<"masukkan nilai baris"< cin>>matrix2[i][j];
}
}


//proses hitung

for (i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
jumlah[i][j]=matrix[i][j] + matrix2[i][j];
}
}




//output penjumlahan
cout<
//output jumlah



gotoxy(1,20);
cout<<"C = ";
for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
gotoxy(3+4*j,17+2*i);
cout< }
}

gotoxy(17,20);
cout<<" + ";
for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
gotoxy(18+4*j,17+2*i);
cout< }
}

gotoxy(32,20);
cout<<" = ";
for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
gotoxy(33+4*j,17+2*i);
cout< }
}

gotoxy(46,20);
cout<<" transpose -> ";
for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
gotoxy(58+4*j,17+2*i);
cout< }
}

getch();

}

void invers()

{
clrscr();
typedef float matriks[Nmaks][Nmaks];
int i,j;
float determinan, hasilbagidet;
matriks A,a;
char answer;



do
{
do
{
clrscr();
cout<<"DETERMINAN MATRIKS A : "< cout<<"Masukkan Nilai Matriks A : "< for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
cout<<"A["< cin>>A[i][j];
}
}

clrscr();
cout< //Proses Mencari Determinan Matriks A

determinan = (A[1][1] * A[2][2]) - (A[2][1] * A[1][2]);
}while (determinan == 0);
hasilbagidet = 1/determinan;

//mencari invers
a[1][1] = hasilbagidet * A[2][2];
a[1][2] = hasilbagidet * -A[1][2];
a[2][1] = hasilbagidet * -A[2][1];
a[2][2] = hasilbagidet * A[1][1];

clrscr();
//Output Matriks A
gotoxy(1,5);
cout<<"A = ";
for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
gotoxy(2+4*j,2+2*i);
cout< }
}

gotoxy(1,8);
cout<<"Determinan Matriks A = "< cout<
//Output Invers Matriks A
gotoxy(1,10);
cout<<"Invers Matriks A : "< gotoxy(2,15);
cout<<"A^-1 = ";
for(i=1;i<=2;i++)
{
for(j=1;j<=2;j++)
{
gotoxy(1+9*j,12+2*i);
cout< }
}


getch();
clrscr();
cout<<"== PROGRAM SELESAI =="< cout<<"Mau Melakukan Perhitungan Lagi?? [Y/T] "; cin>>answer;
}
while ((answer == 'y') || (answer == 'Y'));
}

#include
#include
#include
#include
void main()
{
int i,j,k,n;
float A[10][10],G[10][11],b[10];
float factor,sum,x[10];
cout<<"Masukan ordo matrik n=:";cin>>n;
cout<<"Masukkan element matrik "< for(i=0;i for(j=0;j<=n;j++)
{
if(j {
cout<<"A["<>A[i][j];
}
else
{
cout<<"b["<>b[i];
}
}
// bentuk matriks gabungan
for(i=0;i for(j=0;j G[i][j]=A[i][j];
for(j=0;j G[j][n]=b[j];
cout<<"Matriks penggabungan\n";
for(i=0;i{
for(j=0;j<=n;j++)
printf(" %10.3f",G[i][j]);
printf("\n");
}
// proses eliminasi
for(i=0;i{
for(j=i+1;j {
factor = G[j][i]/G[i][i];
for(k=i;k<=n;k++)
G[j][k]=G[j][k]-factor*G[i][k];
}
}
printf("Matriks setelah eliminasi\n");
for(i=0;i{
for(j=0;j<=n;j++)
printf(" %10.3f",G[i][j]);
printf("\n");
}
// substitusi mundur
x[n-1]=G[n-1][n]/G[n-1][n-1];
for(i=n-2;i>=0;i--)
{
sum = G[i][n];
for(j=i+1;j sum = sum - G[i][j]*x[j];
x[i]=sum/G[i][i];
}
printf("Hasil akhir\n");
for(i=0;iprintf("x[%2d] = %g\n",i,x[i]);
}

#include
#include
#include
main()
{
char nama[20], kelas[10], password[4];
atas:

cout<<" S E L A M A T D A T A N G" ;
cout<cout<<" Silahkan masukkan User Name & Password" ;
cout<cout<cout<<" UserName : " ; cin>>nama;
cout<<" Kelas : " ; cin>>kelas;
cout<<" Password : " ; cin>>password;
if (strcmp(password,"aaa")==0)
{
cout<<" Terima Kasih atas Partisipasinya..!" ;
cout<cout<<" Tekan Sembarang Mas..!" ;
goto bawah;
}
else
{
cout<<
cout<<" Password Salah Bro..!" ;
clrscr();
goto atas;
}
bawah:
getch();
}