code nhập môn lập trình web

printf(quot;Hello HCMUT 1411875 quot;); phan 1 printf(quot;%d quot;, 2014); printf(quot;%e %f %E quot;, 3.14159, 0.00057326, 3.14159); printf(quot;%c quot;, 39;A39;); printf(quot;%s quot;, quot;Dai hoc Bach Khoaquot;); printf(quot; DAI HOC BACH KHOA quot;); printf(quot; quot;); yc1 printf(quot;%+8.0d quot;, 2014); printf(quot; quot;); yc2 printf(quot;%+10.4f quot;, 3.14159); printf(quot; quot;); yc3 printf(quot;%4s %20s %11s %9s %10s quot;, quot;Sttquot;, quot;Ho va Tenquot;, quot;Diem toanquot;, quot;Diem lyquot;, quot;Diem hoaquot;); printf(quot;%s quot;, quot;quot;); printf(quot;%4d %23s %10.1f %9.1f %.1f quot;, 1, quot;Nguyen Lan Huongquot;, 7.0, 8.0, 10.0); printf(quot;%4d %22s %10.1f %10.1f %.1f quot;, 2, quot;Tran Thanh Binhquot;, 10.0, 10.0, 10.0); printf(quot;%4d %23sprintf(quot;Hello HCMUT 1411875 quot;); phan 1 printf(quot;%d quot;, 2014); printf(quot;%e %f %E quot;, 3.14159, 0.00057326, 3.14159); printf(quot;%c quot;, 39;A39;); printf(quot;%s quot;, quot;Dai hoc Bach Khoaquot;); printf(quot; DAI HOC BACH KHOA quot;); printf(quot; quot;); yc1 printf(quot;%+8.0d quot;, 2014); printf(quot; quot;); yc2 printf(quot;%+10.4f quot;, 3.14159); printf(quot; quot;); yc3 printf(quot;%4s %20s %11s %9s %10s quot;, quot;Sttquot;, quot;Ho va Tenquot;, quot;Diem toanquot;, quot;Diem lyquot;, quot;Diem hoaquot;); printf(quot;%s quot;, quot;quot;); printf(quot;%4d %23s %10.1f %9.1f %.1f quot;, 1, quot;Nguyen Lan Huongquot;, 7.0, 8.0, 10.0); printf(quot;%4d %22s %10.1f %10.1f %.1f quot;, 2, quot;Tran Thanh Binhquot;, 10.0, 10.0, 10.0); printf(quot;%4d %23sprintf(quot;Hello HCMUT 1411875 quot;); phan 1 printf(quot;%d quot;, 2014); printf(quot;%e %f %E quot;, 3.14159, 0.00057326, 3.14159); printf(quot;%c quot;, 39;A39;); printf(quot;%s quot;, quot;Dai hoc Bach Khoaquot;); printf(quot; DAI HOC BACH KHOA quot;); printf(quot; quot;); yc1 printf(quot;%+8.0d quot;, 2014); printf(quot; quot;); yc2 printf(quot;%+10.4f quot;, 3.14159); printf(quot; quot;); yc3 printf(quot;%4s %20s %11s %9s %10s quot;, quot;Sttquot;, quot;Ho va Tenquot;, quot;Diem toanquot;, quot;Diem lyquot;, quot;Diem hoaquot;); printf(quot;%s quot;, quot;quot;); printf(quot;%4d %23s %10.1f %9.1f %.1f quot;, 1, quot;Nguyen Lan Huongquot;, 7.0, 8.0, 10.0); printf(quot;%4d %22s %10.1f %10.1f %.1f quot;, 2, quot;Tran Thanh Binhquot;, 10.0, 10.0, 10.0); printf(quot;%4d %23sprintf(quot;Hello HCMUT 1411875 quot;); phan 1 printf(quot;%d quot;, 2014); printf(quot;%e %f %E quot;, 3.14159, 0.00057326, 3.14159); printf(quot;%c quot;, 39;A39;); printf(quot;%s quot;, quot;Dai hoc Bach Khoaquot;); printf(quot; DAI HOC BACH KHOA quot;); printf(quot; quot;); yc1 printf(quot;%+8.0d quot;, 2014); printf(quot; quot;); yc2 printf(quot;%+10.4f quot;, 3.14159); printf(quot; quot;); yc3 printf(quot;%4s %20s %11s %9s %10s quot;, quot;Sttquot;, quot;Ho va Tenquot;, quot;Diem toanquot;, quot;Diem lyquot;, quot;Diem hoaquot;); printf(quot;%s quot;, quot;quot;); printf(quot;%4d %23s %10.1f %9.1f %.1f quot;, 1, quot;Nguyen Lan Huongquot;, 7.0, 8.0, 10.0); printf(quot;%4d %22s %10.1f %10.1f %.1f quot;, 2, quot;Tran Thanh Binhquot;, 10.0, 10.0, 10.0); printf(quot;%4d %23s

Trang 1

Bài 1 :

#include "stdafx.h"

#include <conio.h>

void main()

{

printf("Hello HCMUT 1411875! \n");

//phan 1

printf("%d\n", 2014);

printf("%e\t%f\n%E\n", 3.14159, 0.00057326, 3.14159);

printf("%c\n", 'A');

printf("%s\n", "Dai hoc Bach Khoa");

printf("\tDAI HOC BACH KHOA\n");

printf(" \n\n");

//yc1

printf("%-+8.0d\n", 2014);

printf(" \n\n");

//yc2

printf("%-+10.4f\n", 3.14159);

printf(" \n\n");

//yc3

printf("%-4s %-20s %-11s %-9s %-10s\n", "Stt", "Ho va Ten", "Diem toan", "Diem ly",

"Diem hoa");

printf("%-s\n", " -");

printf("%-4d %-23s %-10.1f %-9.1f %-.1f\n", 1, "Nguyen Lan Huong", 7.0, 8.0, 10.0); printf("%-4d %-22s %-10.1f %-10.1f %-.1f\n", 2, "Tran Thanh Binh", 10.0, 10.0, 10.0); printf("%-4d %-23s %-9.1f %-11.1f %-.1f\n", 3, "Vu Ngoc Thanh", 9.0, 10.0, 9.0); _getch();

}

Bài 2:

// Th2.cpp : du lieu hang va bien

#include "stdafx.h"

#include <conio.h>

const float pi = 3.14159;

void main()

{

int chon, tieptuc=1;

while (tieptuc == 1) //kt dieu kien tiep tuc

{

printf("%s\n", "Ban muon lam gi?");

printf("\t%s\n", "1-tinh chu vi va dien tich hinh tron");

printf("\t%s\n", "2-tinh chu vi va dien tich hinh chu nhat");

printf("\t%s\n", "3-Tinh giao diem 2 duong thang");

printf("\t%s\n", "4-Thoat khoi chuong trinh");

printf("%s", "Vui long nhap lua chon : "); scanf_s("%i", &chon);

while ((chon != 1) && (chon != 2) && (chon != 3)&&(chon != 4)) //kt dieu kien chon lua

{

printf("%s\n", "Lua chon cua ban khong co trong he thong!!");

printf("%s\n", " -"); printf("%s\n", "Ban muon lam gi?");

printf("\t%s\n", "1-tinh chu vi va dien tich hinh tron");

printf("\t%s\n", "2-tinh chu vi va dien tich hinh chu nhat");

printf("%s", "Vui long nhap lai lua chon : "); scanf_s("%i", &chon); } //end chon lua khong dung

switch (chon) {

case 1:

//cv,dt hinh tron float r, cvdt, dtdt;

printf("%s\n", " -");

Trang 2

printf("%s", "Nhap ban kinh R= "); scanf_s("%f", &r);

while (r < 0) //kt dieu kien ban kinh {

printf("%s\n", "Ban kinh duong tron phai la so duong");

printf("%s\n", " -"); printf("%s", "Vui long nhap lai ban kinh : "); scanf_s("%f", &r); }

printf("%s%13.3f\n", "Ban kinh hinh tron da nhap la: ", r);

cvdt = 2 * pi*r;

dtdt = pi*r*r;

printf("%s%15.3f\n", "Chu vi hinh tron da nhap la: ", cvdt);

printf("%s%12.3f\n", "Dien tich hinh tron da nhap la: ", dtdt);

printf("%s", "Ban muon tiep tuc khong?(y/n) : "); scanf_s("%i", &tieptuc); printf("%s\n", " -");

break;

case 2:

//cv,dt hcn float cr, cd, cvhcn, dthcn;

printf("%s\n", " -");

printf("%s", "Nhap chieu rong hinh chu nhat= "); scanf_s("%f", &cr);

while (cr < 0) //kt dieu kien chieu rong hcn {

printf("%s\n", "Chieu rong hcn phai la so duong");

printf("%s\n", " -"); printf("%s", "Vui long nhap lai chieu rong hcn : "); scanf_s("%f",

&cr);

} printf("%s", "Nhap chieu dai hinh chu nhat = "); scanf_s("%f", &cd);

while (cd < 0) //kt dieu kien chieu rong hcn {

printf("%s\n", "Chieu dai hcn phai la so duong");

printf("%s\n", " -"); printf("%s", "Vui long nhap lai chieu dai hcn : "); scanf_s("%f",

&cd);

} printf("%s\n", " -+ - ");

printf("%s%11.3f\n", "Chieu rong hinh chu nhat da nhap la: ", cr);

printf("%s%15.3f\n", "Chieu dai hinh chu nhat nhap la: ", cd);

cvhcn = 2 * (cr + cd);

dthcn = cr*cd;

printf("%s%15.3f\n", "Chu vi hinh chu nhat da nhap la: ", cvhcn);

printf("%s%12.3f\n", "Dien tich hinh chu nhat da nhap la: ", dthcn);

printf("%s", "Ban muon tiep tuc khong?(1=y ; 0=n) : "); scanf_s("%i",

&tieptuc);

printf("%s\n", " -");

break;

case 3:

//giao diem 2 duong thang song song float a, a1, b, b1, x, y;

printf("%s\n", " -");

printf("%s", "Nhap he so a cua duong thang thu nhat= "); scanf_s("%f", &a); printf("%s", "Nhap he so b cua duong thang thu nhat= "); scanf_s("%f", &b); printf("%s", "Nhap he so a' cua duong thang thu nhat= "); scanf_s("%f",

&a1);

printf("%s", "Nhap he so b' cua duong thang thu nhat= "); scanf_s("%f",

&b1);

printf("%s\n", " -+ - ");

printf("%s%11.3f\n", " He so a cua duong thang thu nhat da nhap la: ", a); printf("%s%11.3f\n", " He so b cua duong thang thu nhat da nhap la: ", b); printf("%s%11.3f\n", " He so a' cua duong thang thu hai da nhap la: ", a1); printf("%s%11.3f\n", " He so b' cua duong thang thu hai da nhap la: ", b1);

if ((a - a1) == 0) {

printf("%s\n", "Hai duong thang da nhap song song, khong co giao diem!");

Trang 3

printf("%s\n", " -"); }

else {

x = (b - b1) / (a - a1);

y = a*x + b;

printf("%s\n", "Giao diem cua 2 duong thang da nhap co toa do :"); printf("%s%11.3f\n", "x=", x);

printf("%s%11.3f\n", "y=", y);

} printf("%s", "Ban muon tiep tuc khong?(1=y ; 0=n) : "); scanf_s("%i",

&tieptuc);

printf("%s\n", " -");

break;

case 4:

printf("%s\n", " -");

printf("%s\n", "See u again^^");

chon = 4;

tieptuc =0;

break;

} } // end dieu kien tiep tuc

printf("%s\n", " -");

_getch();

}

Bài 3 :

// th3.cpp : su dung bien cau truc

#include "stdafx.h"

#include "conio.h"

#include "Th3.h"

void main()

{

int chon;

printf("Nhap so bai : 3.1-3.2-3.3"); scanf_s("%d", &chon);

switch chon

case '1':

{

hoso sv1;

printf("Nhap ho ten: "); scanf_s("%[a-z A-Z]", sv1.hoten);

printf("Nhap MSSV: "); scanf_s("%s", sv1.ms); printf("\n");

printf("Nhap diem toan: "); scanf_s("%f", &sv1.diem_t);

printf("Nhap diem ly: "); scanf_s("%f", &sv1.diem_l);

printf("Nhap diem hoa: "); scanf_s("%f", &sv1.diem_h);

sv1.diem_tong = sv1.diem_t + sv1.diem_l + sv1.diem_h;

printf("%-20s %-8s %-10s %-10s %-10s %-10s\n", "Ho Ten", "MSSV", "Diem toan",

"Diem ly", "Diem hoa", "Diem tong");

printf("%-s\n",

" -");

printf("%-20s %-8s %-10.1f %-10.1f %-10.1f %-10.1f\n", sv1.hoten, sv1.ms, sv1.diem_t, sv1.diem_l, sv1.diem_h, sv1.diem_tong);

}

case '2':

{

hoso sv1, sv2, sv3, sv4, sv5;

float diemthap[5];

printf("Nhap ho ten sv1 : "); scanf_s("%[a-z A-Z]", sv1.hoten);

printf("Nhap MSSV: "); scanf_s("%s", sv1.ms); printf("\n");

Trang 4

printf("Nhap diem toan: "); scanf_s("%f", &sv1.diem_t);

sv1.diem_tb = sv1.diem_tong / 3;

if (sv1.diem_tb < 5) diemthap[1] = sv1.diem_tb;

//

printf("Nhap MSSV: "); scanf_s("%s", sv2.ms); printf("\n"); printf("Nhap diem toan: "); scanf_s("%f", &sv2.diem_t);

//

printf("%-20s %-8s %-10s %-10s %-10s %-10s\n", "Ho Ten",

"MSSV", "Diem toan", "Diem ly", "Diem hoa", "Diem tong","Diem TB");

printf("%-s\n",

" -");

printf("%-20s %-8s %-10.1f %-10.1f %-10.1f %-10.1f %-10.1f\n", sv1.hoten, sv1.ms, sv1.diem_t, sv1.diem_l, sv1.diem_h, sv1.diem_tong,sv1.diem_tb);

printf("%-20s %-8s %-10.1f %-10.1f %-10.1f %-10.1f %-10.1f\n", sv2.hoten, sv2.ms, sv2.diem_t, sv2.diem_l, sv2.diem_h, sv2.diem_tong, sv2.diem_tb);

for (i=) }

Trang 5

}

TH3.h

typedef struct

{

char hoten[40];

char ms[8];

float diem_t;

float diem_l;

float diem_h;

float diem_tong;

float diem_tb;

} hoso;

Bài 4 :

// Th4.cpp :su dung if-else

#include "stdafx.h"

#include <conio.h>

extern void tachso();

extern void sorachu(char );

int so;

char kytu_n, kytu_t, kytu_c, kytu_dv;

void main()

{

printf("Nhap so nguyen can tach: "); scanf_s("%d",&so); tachso();

if (kytu_n != '0')

printf("%c-%c-%c %c" ,kytu_n, kytu_t, kytu_c, kytu_dv); else if (kytu_t != '0')

printf("%c-%c-%c ", kytu_t, kytu_c, kytu_dv); else

printf("%c-%c", kytu_c, kytu_dv);

printf("\n");

//in so ra chu

if (kytu_n != '0')

{

sorachu(kytu_n);

sorachu(kytu_t);

sorachu(kytu_c);

sorachu(kytu_dv);

}

else if (kytu_t != '0')

{

sorachu(kytu_t);

sorachu(kytu_c);

sorachu(kytu_dv);

}

else

{

sorachu(kytu_c);

sorachu(kytu_dv);

}

// -_getch();

}

Tachso.cpp

#include "stdafx.h"

extern int so;

extern char kytu_n, kytu_t, kytu_c,kytu_dv;

Trang 6

void tachso()

{

kytu_n = (so / 1000) + '0';

kytu_t = (so / 100)%10 + '0';

kytu_c = (so / 10)%10 + '0';

kytu_dv = so%10 + '0';

}

void sorachu(char kyso)

{

switch (kyso)

{

case '0':printf("khong "); break;

case '1':printf("mot "); break;

case '2':printf("hai "); break;

case '3':printf("ba "); break;

case '4':printf("bon "); break;

case '5':printf("nam "); break;

case '6':printf("sau "); break;

case '7':printf("bay "); break;

case '8':printf("tam "); break;

case '9':printf("chin "); break;

}

Bài 5 :

// Th5.cpp : dung vong lap while

#include "stdafx.h"

#include <conio.h>

void main()

{

int chon, tieptuc = 1;

int n, i, P, Pmax, S, nmax,n1,sochuso;

while (tieptuc == 1) //kt dieu kien tiep tuc

{

printf("%s\n", "Menu chuc nang:");

printf("\t%s\n", "1-Tinh tong ");

printf("\t%s\n", "2-Tinh tong so le");

printf("\t%s\n", "3-Tinh giai thua");

printf("\t%s\n", "4-Tinh tong cac so chia het cho 7");

printf("\t%s\n", "5-Tinh tong cac chu so cua mot so nguyen n");

printf("%s", "Vui long nhap lua chon : "); scanf_s("%i", &chon);

while ((chon != 1) && (chon != 2) && (chon != 3) && (chon != 4) && (chon != 5) && (chon != 6))//kt dieu kien chon lua

{

printf("%s\n", "Lua chon cua ban khong co trong he thong!!");

printf("%s\n", " -");

printf("%s\n", "Menu chuc nang:");

printf("\t%s\n", "1-Tinh tong ");

printf("\t%s\n", "2-Tinh tong so le");

printf("\t%s\n", "3-Tinh giai thua");

printf("\t%s\n", "4-Tinh tong cac so chia het cho 7");

printf("\t%s\n", "5-Tinh tong cac chu so cua mot so nguyen n");

printf("%s", "Vui long nhap lai lua chon : "); scanf_s("%i", &chon);

} //end chon lua khong dung switch (chon)

{ case 1:

//tinh tong printf("%s\n", " -");

Trang 7

printf("%s", "Nhap n= "); scanf_s("%d", &n);

while (n < 0) //kt dieu kien n

{

printf("%s\n", "n phai la so duong");

printf("%s\n", " -"); printf("%s", "Vui long nhap lai n : "); scanf_s("%d", &n);

}

printf("%s%-13d\n", "n da nhap la: ", n);

i = 1;

S = 0;

while (i <= n)

{

S += i++;

}

printf("%s%-15d\n", "Tong S la: ", S);

printf("%s", "Ban muon tiep tuc khong?(1/0) : "); scanf_s("%i", &tieptuc); printf("%s\n", " -");

break;

case 2:

//tinh tong so le

printf("%s\n", " -"); printf("%s", "Nhap n= "); scanf_s("%d", &n);

{

}

i = 1;

S = 0;

while (i<=n)

{

if (i % 2 == 1) S+= i;

i++;

}

printf("%s%-15d\n", "Tong S la: ", S);

break;

case 3:

//tinh giai thua

printf("%s\n", " -");

Pmax = 1;

nmax = 1;

while (Pmax < 1000000000) //kt dieu kien nmax

{

Pmax = Pmax*nmax;

nmax++;

}

printf("%s%d\n", "n toi da la: ", nmax);

while (n < 0 ) //kt dieu kien n

{

printf("%s%d\n", "n toi da la: ",nmax);

}

/*while (n > nmax) //kt dieu kien n

{

printf("%s%d\n", "n toi da la: ", nmax);

Trang 8

}*/

i = 1;

P = 1;

while (i<=n)

{

P =P*i;

i++;

}

printf("%d%s%-15d\n", n,"!=", P);

break;

case 4:

//tinh tong so chia het cho 7

printf("%s\n", " -");

{

}

i = 1;

S = 0;

while (i <= n)

{

if (i % 7 == 0)

S += i;

i++;

}

printf("%s%-15d\n", "Tong cac so chia het cho 7 la: ", S);

break;

case 5:

//tinh tong chu so cua mot so nguyen n

printf("%s\n", " -");

{

}

n1 = n;

sochuso = 0;

S = 0;

i = 1;

while (n1 != 0)

{

sochuso = sochuso +1;

i = i * 10;

n1 = n1 / 10;

} //kiem tra so chu so cua n

i = i / 10;

printf("%s%d", "so chu so : ", sochuso);

printf("\n");

n1 = n;

Trang 9

printf("%s%d", "i :", i);

printf("\n");

while (n1 != 0) {

S = S + (n1/i);

n1 = n1 - ((n1/i)*i);

i = i / 10;

} printf("%s%d%s%d\n", "Tong so chu so cua ",n," la: ", S);

break;

case 6:

printf("%s\n", " -");

chon = 6;

tieptuc = 0;

break;

} } // end dieu kien tiep tuc

printf("%s\n", " -");

_getch();

}

Bài 6 :

// th6.cpp : su dung vong lap for va ham

//

#include "stdafx.h"

#include<conio.h>

#include "ham.h"

void main()

{

int solan, i, n1,n,n2;

double a;

printf("%s", "nhap input ham e^x (x, so lan), x=: "); scanf_s("%lf", &a);

printf("nhap so lan: "); scanf_s("%d", &solan);

printf("%s", "nhap input tinh tong : "); scanf_s("%d", &n);

printf("%s", "nhap input tinh giai thua : "); scanf_s("%d", &n1);

printf("%s", "nhap input tinh tong nguyen to : "); scanf_s("%d", &n2);

printf("e^x(%.2f,%d)=%g\n", a,solan, emux(a, solan));

printf("tong(%d)=%d \n", n, tongtn(n));

printf("giaithua(%d)=%lg \n",n1, giaithua(n1));

printf("tong nguyen to (%d)=%d \n", n2, tongnguyento(n2));

_getch();

}

Ham.cpp

#include "stdafx.h"

double emux(double x, int n)

{

int i; double e, t;

for (e = 1, t = 1, i = 1; i <= n; i++);

{

t *= x / i;

Trang 10

e += t;

}

return e;

}

int tongtn(int n)

{

int s, i;

for (s = 0, i = 1; i <= n; i++)

{

s = s + i;

}

return s;

}

double giaithua(int n)

{

int i;

double p;

for (i = 1, p = 1; i <= n; i++)

{

p = p*i;

}

return p;

}

int tongnguyento(int n)

{

int i, j, kt, tong;

tong = 0;//n=1: tra ve 0

if (n == 2) return 3;//n=2 : tra ve 3

else

{

for (i = 2; i <= n; i++)// cho i chay tu 2 - n {

kt = 0;

for (j = 1; j <= i; j++)//< -begin {

if ((i%j) == 0) {

kt = kt + 1; //kiem tra i co phai so nt khong }

} //< -end

if (kt <= 2) {

tong = tong + i;//i la snt : tong +i }

} }

return tong;

}

Ham.h

//header giao tiep module ham

extern double emux(double x, int n);

extern int tongtn(int n);

extern double giaithua(int n);

extern int tongnguyento(int n);

Bài 7 : // bài tổng sổ nguyên tổ sai

// Th7.cpp : su dung ham de quy

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