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toan C++

Trước Sau

Giai pt bac hai:

#include <iostream.h>

#include <conio.h>

#include <math.h>

void giai_pt(float a,float b,float c)

{float delta,x,x1,x2;

if (a==0)

{x=-c/b;

cout<<"pt da cho tro thanh phuong trinh bac nhat :

";

cout<<"pt da cho co nghiem la x = "<<x;

}

else

{

delta=(b*b)-(4*a*c);

if (delta<0)

{

cout<<"pt da cho vo nghiem :

";

}

else if (delta>0)

{

x1=(-b-sqrt(delta))/2*a;

x2=(-b+sqrt(delta))/2*a;

cout<<"pt da cho co 2 nghiem phan biet x1 va x2

";

cout<<"x1 = "<<x1<<"

";

cout<<"x2 = "<<x2<<"

";

}

else if (delta==0)

{

cout<<"pt co nghiem kep x1=x2=x

";

x=-b/(2*a);

cout<<"x = "<<x;

}

}

}

main()

{

float a,b,c,d,x1,x2;

cout<<"nhap vao he so a : ";cin>>a;

cout<<"nhap vao he so b : ";cin>>b;

cout<<"nhap vao he so c : ";cin>>c;

giai_pt(a,b,c);

getch();

}

Giai PTB2 (ham)

#include <iostream.h>

#include <conio.h>

#include <math.h>

void giai_pt(float a,float b,float c)

{

float delta,x,x1,x2;

if (a==0)

{

x=-c/b;

cout<<"pt da cho tro thanh phuong trinh bac nhat :

";

cout<<"pt da cho co nghiem la x = "<<x;

}

else

{

delta=(b*b)-(4*a*c);

if (delta<0)

{

cout<<"pt da cho vo nghiem :

";

}

else if (delta>0)

{

x1=(-b-sqrt(delta))/2*a;

x2=(-b+sqrt(delta))/2*a;

cout<<"pt da cho co 2 nghiem phan biet x1 va x2

";

cout<<"x1 = "<<x1<<"

";

cout<<"x2 = "<<x2<<"

";

}

else if (delta==0)

{

cout<<"pt co nghiem kep x1=x2=x

";

x=-b/(2*a);

cout<<"x = "<<x;

}

}

}

main()

{

float a,b,c,d,x1,x2;

cout<<"nhap vao he so a : ";cin>>a;

cout<<"nhap vao he so b : ";cin>>b;

cout<<"nhap vao he so c : ";cin>>c;

giai_pt(a,b,c);

getch();

}

Ma tran chuyen vi (ham)

#include <iostream.h>

#include <conio.h>

#include <iomanip.h>

void nhap_matran(int a[][30],int n)

{

int i,j;

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

for (j=0;j<n;j++)

{

cout<<"a["<<i<<","<<j<<"] = ";cin>>a[i][j];

}

}

void hoan_vi(int a[][30],int n)

{

int i,j;

for (j=0;j<n;j++)

{

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

a[n][n]=a[j][i];

}

}

void in_ketqua(int a[][30],int n)

{

int i,j;

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

{

for (j=0;j<n;j++)

cout<<setw(4)<<a[j][i];cout<<endl;

}

}

main()

{

int a[30][30],n;

cout<<"nhap vao n : ";cin>>n;

nhap_matran(a,n);

hoan_vi(a,n);

in_ketqua(a,n);

getch();

}

Chuyê n ky t°# âu dong thanh hoa

Va sp xêp theo vân anpha

#include <iostream.h>

#include <ctype.h>

#include <conio.h>

#include <string.h>

main()

{

char tam,s[50];

int f = 0,i;

cout<<"moi ban nhap vao chuoi can chuyen : ";cin.getline(s,50);

for (i=0;i<strlen(s);i++)

{

if (s[i] != ' '&& f==0)

{

s[i]=toupper(s[i]);

f = 1;

}

else

{

s[i]=tolower(s[i]);

if(s[i] == ' ') f=0;

}

}

s[i]='\0';

cout<<s<<endl;

}

Tinh giai thua Cnk

#include <iostream.h>

#include <conio.h>

void giaithua(float n,float k)

{

float h,ngt,kgt,hgt,gt,gt1;

int i,j,m;

ngt=1;

kgt=1;

hgt=1;

h=n-k;

for (i=2;i<=n;i++)

{ngt*=i;}

for (j=2;j<=k;j++)

{kgt*=j;}

for (m=2;m<=h;m++)

{hgt*=m;}

gt1=(kgt*hgt);

gt=(ngt/gt1);

cout<<gt<<"

";

}

main()

{

float n,k;

cout<<"nhap vao gia tri n : ";cin>>n;

cout<<"nhap vao gia tri k : ";cin>>k;

cout<<"giai thua la :

";

giaithua(n,k);

getch();

}

Sp xêp day tng dân

#include <iostream.h>

#include <conio.h>

#include <ctype.h>

#include <iomanip.h>

#define in "nhap phan tu thu "

#define truoc "chuoi truoc khi sap xep la :

"

#define sau "chuoi sau khi sap xep la :

"

void nhap_mang(int *a,int n)

{

int i;

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

{

cout<<in<<i<<":";

cin>>*(a+i);

}

}

void sap_xep(int *a,int n)

{

int i,j,chuyen;

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

for (j=0;j<n;j++)

{

if (a[i]<a[j])

{

chuyen=a[i];

a[i]=a[j];

a[j]=chuyen;

}

}

}

void in_kq(int *a,int n)

{ int i;

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

{

cout<<setw(5)<<a[i];

}

}

main()

{

int mang[50],*a,n;

cout<<"moi ban nhap n : ";cin>>n;

a=&mang[0];

nhap_mang(a,n);

cout<<truoc;

in_kq(a,n);

cout<<"

";

sap_xep(a,n);

cout<<sau;

in_kq(a,n);

getch();

}

Ma trâ#n ¡n vi# Vuông (ham)

#include <iostream.h>

#include <conio.h>

#include <iomanip.h>

void ma_trandv(int a[][30],int n)

{

int i,j;

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

{

for(j=1;j<=n;j++)

{

if (i=j) a[i][j]=1;

else

a[i][j]=0;

}

}

}

void in_kq(int a[][30],int n)

{

int i,j;

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

{

for (j=1;j<=n;j++)

cout<<setw(5)<<a[i][j];

cout<<endl;

}

}

main()

{

int a[30][30],n;

cout<<"nhap vao cap cua ma tran vuong : ";cin>>n;

ma_trandv(a,n);

in_kq(a,n);

getch();

}

Nhâ#p mô#t xâu bât ky,chen mô#t ky t°# bât ky vao vi# tri bât ky trên xâu

#include <iostream.h>

#include <conio.h>

#include <string.h>

struct sinhvien

{

char ht[30];

float dtoan;

float dvan;

float dtin;

float tbc;

}sv;

void nhap_sv(char a[],float b,float c,float d,float e)

{

cout<<"nhap ten sv : ";

cin.getline(a,30);

cout<<"nhap diem toan : ";cin>>b;

cout<<"nhap diem van : ";cin>>c;

cout<<"nhap diem tin : ";cin>>d;

e=(b+c+d)/3;

cout<<"ho va ten : "<<a<<"

";

if(e<=4)

{

cout<<"ban phai thi lai

";

cout<<"diem tbc cua ban la : "<<e;

}

else cout<<"ban da qua mon va co diem tbc la :"<<e<<"

";

};

main()

{

nhap_sv(sv.ht,sv.dtoan,sv.dvan,sv.dtin,sv.tbc);

getch();

}

Sp xêp day gia m dân

#include <iostream.h>

#include <conio.h>

#include <ctype.h>

#include <iomanip.h>

#define in "nhap phan tu thu "

#define truoc "chuoi truoc khi sap xep la :

"

#define sau "chuoi sau khi sap xep la :

"

void nhap_mang(int *a,int n)

{

int i;

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

{

cout<<in<<i<<":";

cin>>*(a+i);

}

}

void sap_xep(int *a,int n)

{

int i,j,chuyen;

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

for (j=0;j<n;j++)

{

if (a[i]>a[j])

{

chuyen=a[i];

a[i]=a[j];

a[j]=chuyen;

}

}

}

void in_kq(int *a,int n)

{ int i;

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

{

cout<<setw(5)<<a[i];

}

}

main()

{

int mang[50],*a,n;

cout<<"moi ban nhap n : ";cin>>n;

a=&mang[0];

nhap_mang(a,n);

cout<<truoc;

in_kq(a,n);

cout<<"

";

sap_xep(a,n);

cout<<sau;

in_kq(a,n);

getch();

}

(Ham) cac phep tinh nhân,chia,cô#ng,tr°

#include <iostream.h>

#include <conio.h>

#include <ctype.h>

void tinh_nhan(int a,int b)

{

int tich=a*b;

cout<<"tich cua 2 so a va b la : "<<tich;

}

void tinh_chia(int a,int b)

{

int thuong=a/b;

cout<<"thuong cua 2 so a va b la : "<<thuong;

}

void tinh_tong(int a,int b)

{

int tong=a+b;

cout<<"tong cua 2 so a va b la : "<<tong;

}

void tinh_tru(int a,int b)

{

int hieu=a-b;

cout<<"hieu cua 2 so a va b la : "<<hieu;

}

main()

{

int a,b;

char hjc;

cout<<"

moi ban nhap vao 2 so a va b :

";

cout<<"moi ban nhap vao so a : ";cin>>a;

cout<<"moi ban nhap vao so b : ";cin>>b;

cout<<"

moi ban nhap vao phim theo huong dan

";

hi:cout<<"

bam phim 1 de chon phep nhan :

";

cout<<"bam phim 2 de chon chia :

";

cout<<"bam phim 3 de chon cong :

";

cout<<"bam phim 4 de chon tru :

";

cin>>hjc;

switch (hjc)

{

case '1' :cout<<"tinh_phep_nhan

\a";

tinh_nhan(a,b);break;

case '2' :cout<<"tinh_phep_chia

\a";

tinh_chia(a,b);break;

case '3' :cout<<"tinh_phep_cong

\a";

tinh_tong(a,b); break;

case '4' :cout<<"tinh_phep_tru

\a";

tinh_tru(a,b);break;

default :cout<<"ban da bam sai phim xin moi chon lai phim

";

hi;

}

getch();

}

Nôi hai xâu

#include <iostream.h>

#include <conio.h>

#include <string.h>

void nhap_xau(char xau1[100],char xau2[100])

{

cout<<"nhap vao xau 1 : ";cin.getline(xau1,100);

cout<<"nhap vao xau 2 : ";cin.getline(xau2,100);

}

void noi_2xau(char xau1[100],char xau2[100],char xau[100])

{

if (strcmp(xau1,xau2)>0){

xau=strcat(xau1,xau2);}

cout<<"xau sau khi da noi la : "<<xau;

}

main()

{

char xau1[100],xau2[100],xau[100];

nhap_xau(xau1,xau2);

noi_2xau(xau1,xau2,xau);

//in_xau(xau);

getch();

}

CÙng 2 ma tr­n

#include<iostream.h>

#include<conio.h>

#include<iomanip.h>

#include<math.h>

main ()

{

int A[10][10],B[10][10],C[10][10],i,j,n;

cout<<"nhap vao n=";cin>>n;

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

for(j=0;j<n;j++)

{

cout<<"A["<<i<<"]["<<j<<"]";

cin>>A[i][j];

cout<<"B["<<i<<"]["<<j<<"]";

cin>>B[i][j];

}

cout<<"Tong hai ma tran";

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

for(j=0;j<n;j++)

{

C[i][j]=A[i][j]+B[i][j];

}

cout<<"Ma tran Tong"<<endl;

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

{

for(j=0;j<n;j++)

cout<<setw(3)<<C[i][j];

cout<<endl;

}

getch ();

}

In hai ma trâ#n va cô#ng hai ma trâ#n o

#include <iostream.h>

#include <conio.h>

#include <iomanip.h>

void nhap_matran(int a[][20],int n)

{

int i,j;

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

for(j=0;j<n;++j)

{

cout<<"moi nhap vao hang thu :"<<i<<","<<j<<"

";

cin>>a[i][j];

}

}

void cong_matran(int a[][20],int b[][20],int c[][20],int n)

{

int i,j;

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

for(j=0;j<n;j++)

{

c[i][j]=a[i][j]+b[i][j];

}

}

void in_kq(int c[][20],int n)

{

int i,j;

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

{

for(j=0;j<n;j++)

cout<<setw(5)<<c[i][j];

cout<<endl;

}

}

main()

{int a[20][20],b[20][20],c[20][20];

int n;

cout<<"nhap vao cap cua ma tran : ";cin>>n;

cout<<"nhap vao ma tran a :

";

cout<<"

";

nhap_matran(a,n);

cout<<"nhap vao ma tran b :

";

cout<<"

";

nhap_matran(b,n);

cout<<"ma tran a la

";

in_kq(a,n);

cout<<"

";

cout<<"ma tran b la

";

in_kq(b,n);

cong_matran(a,b,c,n);

cout<<"

";

cout<<"ma tran sau khi tinh tong la :

";

in_kq(c,n);

getch();

}

Tich hai ma trâ#n(ham)

#include<iostream.h>

#include<conio.h>

#include<iomanip.h>

void nhap_ma_tran(int x[][10],int n)

{

int i,j;

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

{

cout<<"nhap hang thu : "<<i+1<<"

";

for (j=0;j<n;j++)

{

cout<<"a["<<i<<","<<j<<"]= ";

cin>>x[i][j];

}}

}

void nhan_ma_tran(int a[][10],int b[][10],int c[][10],int n)

{

int i,j,k;

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

for (j=0;j<n;j++)

{ c[i][j]=0;

for (k=0;k<n;k++)

c[i][j]=c[i][j]+a[i][k]*b[k][j];

}

}

void in_ma_tran(int c[][10],int n)

{

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

{

for (int j=0;j<n;j++)

cout<<setw(3)<<c[i][j];

cout<<endl;

}

return;

}

main()

{

int a[10][10],b[10][10],c[10][10],n;

cout<<"nhap vao n : ";cin>>n;

cout<<"nhap ma tran a :

";

nhap_ma_tran(a,n);

cout<<"nhap ma tran b :

";

nhap_ma_tran(b,n);

nhan_ma_tran(a,b,c,n);

cout<<"in ket qua cua phep nhan :

";

in_ma_tran(c,n);

getch();

}

N sÑ tính TBC các sÑ d°¡ng,âm . so sánh TBC các sÑ d°¡ng và âm

#include <iostream.h>

#include <conio.h>

void main()

{

int n,ta,td, ssa,ssd;

float tba,tbd;

cout<<"nhap so cac so muon nhap: ";

cin>>n;

static int a[100];

int i;

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

cout<<"nhap so thu "<<i+1<<": ";

cin>>a[i] ;

}

ta=td=0;

ssa=ssd=0;

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

if(a[i]<0)

{

ta=ta+a[i];

ssa++ ;

}

else

{if(a[i]>0)

{

td=td+a[i];

ssd++;

}}

if(ssa!=0) {

tba=(float)ta/ssa ;

}

else {tba=0;}

if(ssd!=0)

{

tbd=(float)td/ssd;

}

else {

tbd=0;}

cout<<"day so vua nhap"<<"

";

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

cout<<a[i]<<" ";

cout<<"

";

cout<<"so am trong day: "<<ssa<<"

"<<"tong am: "<<ta<<"

"<<"trung binh cac so am: "<<tba<<"

";

cout<<"so duong trong day: "<<ssd<<"

"<<"tong duong: "<<td<<"

"<<"trung binh cac so duong: "<<tbd<<"

";

}

Vi¿t tr°¡ng trình tìm ki¿m sÑ tñ nhiên b¥t kó nh­p vào të bàn phím.¿m sÑ l§n và vË trí

#include <iostream.h>

#include <conio.h>

void main()

{

int n,sct,slxh;

cout<<"nhap so cac so muon nhap: ";

cin>>n;

static int a[100];

int i;

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

{

cout<<"nhap so thu "<<i+1<<": ";

cin>>a[i] ;

}

slxh=0;

cout<<"day so vua nhap"<<"

";

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

cout<<a[i]<<" ";

cout<<"

";

cout<<"nhap vao so can tim trong day: ";

cin>>sct;

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

if(a[i]==sct)

{

slxh++;

cout<<"

vi tri xuat hien "<<i+1;

}

cout<<"

so lan xuat hien: "<<slxh;

}

Nh­p vào n sÑ tñ nhiên tìm Min,Max,tÕng

#include<iostream.h>

#include<conio.h>

#include<iomanip.h>

main()

{

int i,n,m[100],min,max,tong;

cout<<"nhap vao so tu nhien n="; cin>>n;

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

{

cout<<"m["<<i<<"]="; cin>>m[i];

}

cout<<" cac phan tu vua nhap

";

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

{

cout<<setw(4)<<m[i]<<",";

}

min=m[0];

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

{

if(m[i]<min) min=m[i];

}

cout<<"

so min="<<min;

max=m[0];

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

{

if (m[i]>max) max=m[i];

}

cout<<"

so lon nhat la:"<<max;

tong=0;

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

{

tong=tong + m[i];

}

cout<<"

tong la:"<<tong;

getch();

}

Tính BMI

#include <iostream.h>

#include <stdlib.h>

#include <conio.h>

#define bmi1 "ban gay qua can tam bo the

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hp)

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#define bmi2 "ban kha can doi do"

#define bmi3 "ban hoi beo va can an uong dieu do hon"

#define bmi4 "ban da bi beo phi va can chua tri kip thoi"

#define bmi5 "ban da bi beo phi"

void tinhtoan(float w,float h);

void incach1(float w,float h);

void namcach2(float w,float h,char gioitinh);

void nucach2(float w,float h,char gioitinh);

void incach2(float w,float h,char gioitinh);

void tinhcach2(float w,float h,char gioitinh);

main()

{

float w,h,bmi;

char hi,gioitinh,hjc;

lai:

clrscr();

cout<<"moi ban bam phim theo huong dan

";

cout<<"_______________________________

";

cout<<"

";

cout<<"bam 1 de chon cach tinh BMI 1 :

";

cout<<"bam 2 de chon cach tinh BMI 2 :

";

cout<<"bam 3 de quay lai ban dau :

";

cout<<"bam 4 de thoat khoi chuong trinh :

";

cin>>hi;

switch (hi)

{

case '1' :cout<<"ban da chon cach 1 :

";

cout<<"nhap vao can nang : ";cin>>w;

cout<<"nhap vao chieu cao : ";cin>>h;

tinhtoan(w,h);

incach1(w,h);

cout<<"

";

cout<<"bam phim t de quay lai chuong trinh

";cin>>hjc;

if (hjc='t') goto lai;

break;

case '2' :cout<<"ban da chon cach 2 :

";

cout<<"nhap vao can nang : ";cin>>w;

cout<<"nhap vao chieu cao : ";cin>>h;

cout<<"nhap vao gioi tinh (f hoac m) : ";cin>>gioitinh;

incach2(w,h,gioitinh);

cout<<"

";

cout<<"bam phim t de quay lai chuong trinh

";cin>>hjc;

if (hjc=='t') goto lai;

break;

case '3' :goto lai;

break;

case '4' :exit(0);

break;

}}

void tinhtoan(float w,float h)

{

float bmi;

bmi=w/(h*h);

cout<<"bmi cua ban la : "<<bmi<<"

";

}

void incach1(float w,float h)

{

float bmi;

if (bmi<18.5)

cout<<bmi1<<"

";

if (bmi>=18.5&&bmi<=24.9)

cout<<bmi2<<"

";

if (bmi>=25&&bmi<=29.9)

cout<<bmi3<<"

";

if (bmi>=30&&bmi<=34.9)

cout<<bmi5<<"

";

if (bmi>=35)

cout<<bmi4<<"

";

}

void namcach2(float w,float h,char gioitinh)

{ float bmi;

bmi=w/(h*h);

cout<<"ban la :"<<gioitinh<<"emale

";

if (bmi<18)

cout<<bmi1<<"

";

if (bmi>=18&&bmi<=23)

cout<<bmi2<<"

";

if (bmi>=23&&bmi<=30)

cout<<bmi3<<"

";

if (bmi>30)

cout<<bmi4<<"

";}

void nucach2(float w,float h,char gioitinh)

{ float bmi;

bmi=w/(h*h);

cout<<"ban la : "<<gioitinh<<"ale

";

if (bmi<19)

cout<<bmi1<<"

";

if (bmi>=20&&bmi<=25)

cout<<bmi2<<"

";

if (bmi>=25&&bmi<=30)

cout<<bmi3<<"

";

if (bmi>30)

cout<<bmi4<<"

"; }

void incach2(float w,float h,char gioitinh)

{float bmi;

switch (gioitinh)

{ case 'f' : tinhcach2(w,h,gioitinh);

namcach2(w,h,gioitinh);

break;

case 'm' : tinhcach2(w,h,gioitinh);

nucach2(w,h,gioitinh);

break;} }

void tinhcach2(float w,float h,char gioitinh)

{ float bmi;

bmi=w/(h*h);

cout<<"bmi cua ban la : "<<bmi<<"

";

}

Nh­p 2 xâu,in 2 xâu và ghép 2 xâu

#include <conio.h>

#include <ctype.h>

#include <iostream.h>

#include <string.h>

main()

{

int dem1=0,dem2=0;

char xau1[30],xau2[30],c;

cout<<"nhap xau 1:";cin>>xau1;

cout<<"nhap xau 2:";

cin.ignore(80,'

');

cin.get(xau2,30);

cout<<"Xau 1: "<<xau1<<endl;

cout<<"Xau 2: "<<xau2<<endl;

while(xau1[dem1]!='\0')

dem1++;

cout<<"so ky tu xau 1:"<<dem1<<"

";

while(xau2[dem2]!='\0')

dem2++;

cout<<"so ky tu xau 2:"<<dem2<<"

";

if((sizeof(xau1)-strlen(xau1))>=strlen(xau2))

strcat(xau1,xau2);

cout<<xau1;

getch();

}

TÕng cça n sÑ nh­p vào të bàn phím

#include <iostream.h>

#include <conio.h>

void nhap_mang(int *p,int n)

{

int i;

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

{

cout<<i<<":";cin>>*(p+i);

}

}

void tinh_tong(int *p,int n)

{

int i,tong;

tong=0;

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

{

tong=tong+*p;["•"¶"Ö"õ"#•P•}•¬•³•µ•Å•Ü•â•í•-C-O-{-§-Ï-ÿ- ---C-h-Ž--«-úúúúúúúúúúúúúúúúúúúúúúúúúúúúúgd-<§«-Ä-ý- ˜˜E˜k˜'˜É˜à˜ì˜%™=™D™X™_™s™{™™ž™ ™¬™º™à™â™ššúúúúúíúúúúúúúúúúúúúúúäúúúú

Ƽ gd*Hã

„Ôþ„˜þ]„Ôþ^„˜þgd-<§gd-<§š šš/šIš[šsš...šš¯š¼šÎšÐšýš

››A›M›_›u›‡›Ÿ›±›½›Ð›ü› œœ>œJœúúúúúúúúúúúúúúúúúúúúúúúúúúúúúgd-<§ý›þ›¹œÊœÌœúœûœ¥¦×Øø0ž2ž4žvžxž;¡<¡D¢¤'Ð'Ñ'á'â'ã'å'æ'è'é'ë'ì'î'ï'õ'ö'÷'øíåøíåíøíøíøíåíÚη¯£˜-˜‹¯€xtxtxtxtjdjd

hp;'0Jjhp;'0JUhõ'jhõ'U hfk hfk CJaJ h}éhfk CJaJU h}éh}éCJaJh}éh}é5CJaJ hfk CJaJ hpChpCCJaJhpChfk 5CJaJhpChpC5CJaJ h-<§hfk CJaJ hYÇCJaJ h-<§h-<§CJaJ hÀI(CJaJ'Jœ]œsœ...œ›œ­œ¹œÎœúœ@X_...œ¨Öãñ0ž4žxžžžÄžðžŸ&Ÿ*ŸúúúúúúúúúúúúúúúúúúúúúúõõõõõõgdpCgd-<§*ŸPŸ„ŸÂŸìŸ

: W o w œ ' ¼ á ¡$¡1¡:¡<¡D¢p¢-¢Ð¢Ô¢ä¢

££D£úúúúúúúúúúúúúúúúúúúúõõõõõõõõgd}égdpCD£J£N£ˆ£Œ£¦£¸£Þ£ä£''7'9'@'B'V'{'£'''Å'Ï'Ñ'Ò'Ó'Ô'Õ'Ö'×'Ø'úúúúúúúúúúúúúúúúúúúúúõõõõõõõgd-<§gd}ép++;

}

cout<<"tong cua "<<i<<" so la : "<<tong<<endl;

}

main()

{

int mang[30],*p,n;

cout<<"moi nhap vao so n : ";cin>>n;

cout<<"gia tri cua pt thu ";p=&mang[0];

nhap_mang(p,n);

tinh_tong(p,n);

getch();

}

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