Bài tập phương pháp lập trình pot

coutthang;coutnam; cout... void main{ float toan,ly,hoa; couttoan; coutly; couthoa; cout... couta;coutb; coutc;... void Nhapint i{cout.

cout<<"\nchu vi ban kinh duong tron r:"<<cv;

cout<<"\nDien tich duong tron ban kinh r:"<<dt<<endl;return 0;

}

BÀI 2:

//nhap canh a.tinh va xuat chu vi hinh vuong.*/

//khai bao thu vien

cout<<"\n chu vi hinh vuong canh a la:"<<cv;

cout<<"\n Dien tich hinh vuong canh a la:"<<dt<<endl;return 0;

}

cout<<"Nhap Canh a,h1,h2: "; cin>>a>>h1>>h2;

//xuat ket qua

cout<<"Chu Vi Hinh Thoi Canh a: "<<a*4<<"\nDien tich hinh thoi canh a:

"<<1.0/2*(h1*h2)<<endl;

return 0;

}

cout<<"Nhap 2 so nguyen duong a, b: ";cin>>a>>b;

//xuat ket qua

cout<<"Tong= "<<a+b<<"\nHieu= "<<a-b<<"\nTich=

"<<a*b<<"\nThuong= "<<float (a)/float (b)<<endl;

cout<<"nhap toa do diem a:";cin>>x1>>y1;

cout<<"nhap toa do diem b:";cin>>x2>>y2;

cout<<" Nhap toan do diem A(x1,y1): ";cin>>x1>>y1;

cout<<" Nhap toan do diem B(x2,y2): ";cin>>x2>>y2;

cout<<" He so goc cua duong thang AB =

void main()

{

int n; float x;

cout<<"Nhap vao so nguyen n: ";cin>> n;

cout<<"Nhap vao so thuc x: ";cin>> x;

/* Nhap vao so giay bat ky t tinh va xuat ra gio:phut:giay

vidu:3750 thi xuat la 1:2:30 AM*/

cout<<"Nhap thang: ";cin>>thang;

cout<<"Nhap nam: ";cin>>nam;

cout<<"ket qua: "<<ngay<<"/"<<thang<<"/"<<nam<<endl;

cout<<" Nhap a(a>0 & a!=1): ";cin>>a;

cout<<" Nhap x (x>0): ";cin>>x;

cout<<"Ma ASCII cua ky tu tren la: "<<int(kt);

cout<<"\nMa ASCII ky tu ke tiep ky tu tren la: "<<int(kt+1)<<endl;

void main()

{

float toan,ly,hoa;

cout<<"NHap diem mon toan: ";cin>>toan;

cout<<"NHap diem mon ly: ";cin>>ly;

cout<<"NHap diem mon hoa: ";cin>>hoa;

cout<<"ket qua: "<<setprecision(3)<<((toan+ly+hoa)/3)<<endl;//co cach lam khac printf("ketqua:%0.2f",(toan+ly+hoa)/3)

cout<<"\nKetqua(gio:phut:giay)= "<<h<<":"<<p<<":"<<g<<" PM"<<endl;

else cout<<"\nketqua: "<<"a<b"<<endl;

}

return 0;

}

else cout<<"pt vo nghiem";

else cout<<"pt bac nhat"<<-c/b<<endl;

else

{

if(delta>0) cout<<"Pt co 2 nghiem phan biet"<<"x1="<<(-b+sqrt(delta))/(2*a)<<"x2="<<(-b-sqrt(delta))/

cout<<"Nhap nam: ";cin>>nam;

if((nam%4==0)&&(nam%100!=0)) ngay=28; else ngay=29;break;

cout<<"Nhap nam: ";cin>>nam;

if((nam%4==0)&&(nam%100!=0))ngay=28; else ngay=29;

cout<<"Nhap cac so tu 1 den 7: ";

case 1: cout<<"thu hai"<<endl; break;

case 2: cout<<"thu ba"<<endl; break;

case 3: cout<<"thu tu"<<endl; break;

case 4: cout<<"thu nam"<<endl; break;

case 5: cout<<"thu sau"<<endl; break;

case 6: cout<<"thu bay"<<endl; break;

case 7: cout<<"chu nhat"<<endl; break;

cout<<" Nhap canh a: "; cin>>a;

cout<<" Nhap canh b: "; cin>>b;

cout<<" Nhap canh c: "; cin>>c;

cout<<"chu vi la: "<< cv <<" \ndien tich la: "<< s<<endl; }

int i,n,sum;

cout<<"Nhap so n= "; cin>>n; i=2;

}

cout<<"tong "<<s<<endl; return 0;

}

cout<<"\n===============================\n\n";int n,k,m=1;

cout<<"\n===============================\n";int n,s[30];

}

cout<<"===========================\n" ;int n,k=0,m=1;

cout<<"\n=========================\n" ;int n,k,j=0,l;

} return s;}

int n,k=0,m=1;

n=strlen(a);

cout<<"\n=======================\n";for(int i=0;i<n;i++)

{

if(a[i]==' '&&a[i+1]==' '){

n ;

for(int j=i;j<n;j++)a[j]=a[j+1];

i ;

}}

for(int j=i;j<n;j++)a[j]=a[j+1];

i ;

}}

cout<<"=======================\n";for(int q=1;q<n;q++)

{

cout<<"\nNguoi thu "<<q<<" la: ";

tt=strlen(a[q]);

cout<<"\n======================\n";for(int i=0;i<tt;i++)

{

if(a[q][i]==' '&&a[q][i+1]==' '){

tt ;

for(int j=i;j<tt;j++)a[q][j]=a[q][j+1];

i ;

}}

if(a[tt][0]==' ')

cout<<"\n=======================\n";for(int q=1;q<n;q++)

{

tt=strlen(a[q]);

k=tt;

}

 Bai Tap Chuong 8 

void Nhap(int i){

cout <<" Nhap Ma So Ma Nhan Vien Thu "<<i+1<<": ";

void Nhap(int i){

cout <<" Nhap Ma So Ma Nhan Vien Thu "<<i+1<<": ";

cout <<" STT\t"<<"MSNV\t\t"<<"Ho Ten\t\t"<<"Dia Chi\t\t"<<"CBQL\n";

cout <<i+1<<"."<<"\t"<<NV[i].MaNV<<"\t\t"<<NV[i].hoTen<<"\t\t";cout <<NV[i].diaChi<<"\t\t"<<NV[i].CBQL<<"\n";

k++;

for(int j=i;j<n-1;j++)NV[j]=NV[j+1];

}if(k<n){cout<<"\n Danh Sach Nhan Vien La Can Bo Quan Ly \n";for(int i=0;i<n-k;i++)

Xuat(i);}

else if(k==n)cout<<"Ko Co Nguoi Nao La Can Bo Quan Ly\n";

} NV[100];

void Nhap(int i){

cout <<" Nhap Ma So Ma Nhan Vien Thu "<<i+1<<": ";

if(NV[i].CBQL==1)cout<<"LA CBQL\n"; else cout<<"Nhan Vien\n";

for(int i=n-1;i>=k;i )NV[i+1]=NV[i];Nhap(k);

n++;

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

}