C++ da Begin bo`yicha misollar

Muallif: Mengliyev Sh.

Qo`shilgan sana: 2015-11-13

C++ da Begin bo`yicha misollar

Begin1. Kvadratning tomoni a berilgan. Uning perimetri aniqlansin. P=4*a

#include<iostream.h>
int main()
{
float a,P;
cout<<"a"; cin>> a;
P:=4*a;
cout<<"P=" <<P;
system ("pause");
return 0;
}

Begin2. Kvadratningtomoni a berilgan. Uning yuzasi aniqiansin. S=a²

#include<iostream.h>
#include<math.h>
int main ()
{
int S,a;
cout<<"a="; cin>>a;
S=sqr(a);
cout<<"S=" <<S;
system ("Pause");
return 0;
}

Begin3. To'g'ri to'rtburchakning tomonlari a va b berilgan. Uning yuzasi S = a * b; va P = 2 * (a + b) perimetri aniqiansin.

#include<iostream.h>
#include<math.h>
int main()
{
float a,b,s,p;
cout<<"a=";cin>>a;
cout<<"b=";cin>>b;
s=a*b;
p=2*(a+b);
cout<<"s="<<s;
cout<<"p="<<p;
system("pause");
return 0;
}

Begin4. Aylananing diametri d berilgan. Uning uzunligi aniqiansin L=pi*d. pi = 3.14

#include<iostream.h>
#include<math.h>
int main()
{
float L,d;
float const pi=3.14;
cout<<"d=";cin>>d;
L=pi*d;
cout<<"L="<<L;
cout<<"p="<<p;
system("pause");
return 0;
}

Begin5. Kubning yon tomoni a berilgan. Uning hajmini V = a³ va to`la sirti S=6*a² aniqiansin.

#include<iostream.h>
#include<math.h>
int main()
{
int a,s,v;
cout<<"a=";cin>>a;
s=6*a*a;
v=a*a*a;
cout<<"s="<<s;
cout<<"v="<<v;
system("pause");
return 0;
}

Begin6. Paralelepepidning tomonlari a, b, с berilgan. Uning hajmini V = a*b*c va to’la sirti S = 2*(a*b+b*c+a*c) aniqlansin.

#include<iostream.h>
#include<math.h>
int main()
{
int a,b,c,s,v;
cout<<"a=";cin>>a;
cout<<"b=";cin>>b;
cout<<"b=";cin>>b;
v=a*b*c;
s=2*(a*b+b*c+a*c);
cout<<"s="<<s;
cout<<"v="<<v;
system("pause");
return 0;
}

Begin7. Doiraning radiusi R berilgan. Uning uzunligi L va yuzasi S aniqiansin. L = 2 pi R . S = pi *R²

#include<iostream.h>
#include<math.h>
int main()
{
float L,S,R;
float const pi=3.14;
cout<<"R=";cin>>R;
L=2*pi*R;
S=pi*sqr(R);
cout<<"L="<<L;
cout<<"S="<<S;
system("pause");
return 0;
}

Begin8. Ikkita son a va b berilgan. Ularning o’rta arifmetigi aniqiansin. Y=(a+b)/2

#include<iostream.h>
#include<math.h>
int main()
{
float a,b,y;
cout<<"a=";cin>>a;
cout<<"b=";cin>>b;
y=(a+b)/2;
cout<<"y="<<y;
system("pause");
return 0;
}

Begin9. Ikkita manfiy bo'Imagan son a va b berilgan. Ularning o'rta geometrigi aniqiansin. Y=sqrt(a*b)

#include<iostream.h>
#include<math.h>
int main()
{
float a,b,y;
cout<<"a=";cin>>a;
cout<<"b=";cin>>b;
y=sqrt(a*b);
cout<<"y="<<y;
system("pause");
return 0;
}

Begin10. Nolga teng bo'Imagan ikkita son berilgan. Ularning yig'indisini, ko’paytmasini va har birining kvadrati aniqiansin.

#include<iostream.h>
#include<math.h>
int main()
{
float a,b,y,y1,y2;
cout<<"a=";cin>>a;
cout<<"b=";cin>>b;
y=a+b;
y1=a*b;
y2=sqr(a)+sqr(b);
cout<<"y="<<y;
cout<<"y1="<<y1;
cout<<"y2="<<y2;
system("pause");
return 0;
}

Begin11. Nolga teng bo'Imagan ikkita son berilgan. Ularning yig'indisini, ko’paytmasini va har birining moduli aniqiansin.

#include<iostream.h>
#include<math.h>
int main()
{
int a,b,s,v,d;
cout<<"a=";cin>>a;
cout<<"b=";cin>>b;
s=a+b;
v=a*b;
d=abs(a)
cout<<"s="<<s;
cout<<"v="<<v;
cout<<"d="<<d;
system("pause");
return 0;
}

Begin12. To'gri uchburchakning katetlari a va b berilgan. Uning gipotenuzasi с va perimetri P aniqiansin. C=sqrt(sqr(a)+sqr(b)), P=a+b+c

#include<iostream.h>
#inceude<math.h>
int main()
{float a,b,c,p;
cout<<"a"; cin>> a;
cout<<"b"; cin>> b;
cout<<"c"; cin>> c;
p=a+b+c;
c:=sqrt(sqr(a)+sqr(b));
cout<<"p=" <<p;
cout<<"c=" <<c;
system ("pause");
return 0;
}

Begin13. Umumiy markazga ega bo'lgan ikkita aylana radiusi berilgan. R1,R2 (R1>R2).Ularnig yuzalari S1 va S2, ularning ayirmasi S3 aniqiansin. Sl =pi*R1², S2=pi*R2², S3 =pi(R1²- R2²).

#include<iostream.h>
#include<math.h>
int main()
{ int R1,R2,S1,S2,S3;
float const PI=3.14;
cout<<"R1="; cin>> R1;
cout<<"R2="; cin>> R2;
S1=PI*R1*R1;
S2=PI*R2*R2;
S3=PI*(R1*R1-R2*R2);
cout<<"S1="<<S1;
cout<<"S2="<<S2;
cout<<"S3="<<S3;
system("pause");
return 0;
}

Begin14. Aylananing uzunligi L berilgan. Uning radiusi R va yuzasi S aniqiansin L = 2* pi *R S = pi*R pi = 3.14
#include<iostream.h>
#include<math.h>
int main ()
{ float s,l,r;

float const pi=3.14;

cout<<"r=";cin>> r;

l=2*p*r;
s=p*r;

    cout<<"l="<<l;
    cout<<"s="<<s;
    system("pause");

return 0;
}

Begin15. Aylananing yuzasi S berilgan. Uning diametri d va radiusi R aniqiansin L = 2*pi *R S = pi* R² pi = 3.14
#include<iostream.h>
#include<math.h>
int main ()
{
int l,r,s;
float const pi=3.14;

cout<<"r="; cin>>r;
l=2*3*r;
s=3*r*r;
cout<<"s=" <<s;
cout<<"l=" <<l';
system ("Pause");
return 0;
}

Begin16. Sonlar o'qida ikkita nuqta orasidagi masofa aniqiansin. X3=|x1-x2|
#include<iostream.h>
#include<math.h>
int main()
{
int x1,x2,x3;
cout<<"x1="; cin>> x1;
cout<<"x2="; cin>> x2;
x3=abs(x1-x2);
cout<<"x3="<<x3;
system("pause");
return 0;
}

Begin17. Sonlar o'qida А, В, С nuqtalar berilgan. С nuqta A va В nuqtalar orasida joylashgan. AC va BC kesmalar uzunligining ko'paytmasini toping.
#include<iostream.h>
#include<math.h>
int main()
{
int ac,bc,p;
cout<<"ac=";cin>>ac;
cout<<"bc=";cin>>bc;
p=ac*bc;
cout<<"p="<<p;
system("pause");
return 0;
}
Begin18. To'g'ri to'rtburchakning qarama-qarshi uchlari koordinatlari berilgan. Uning tomonlari koordinata o'qiga parallel. To'g'ri to'rtburchakning perimetri va yuzasi aniqiansin.
#include<iostream.h>
#include<math.h>
int main()
{
int ab,ac,s,p;
cout<<"ab=";cin>>ab;
cout<<"ac=";cin>>ac;
s=ac*ab;
p=2*(ac+ab);
cout<<"s="<<s;
cout<<"p="<<p;
system("pause");
return 0;
}
Begin19. Tekislikdagi berilgan ikki nuqta (x1,y1) va (x2,y2) orasidagi masofa topilsin.
#include<iostream.h>
#include<math.h>
int main ()
{
int x1,x2,y1,y2;
float d;
cout<<"x1="; cin>>x1;
cout<<"x2="; cin>>x2;
cout<<"y1="; cin>>y1;
cout<<"y2="; cin>>y2;
d=sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1));
cout<<"d=" <<d;
system ("Pause");
return 0;
}

Begin20. x ning qiymati berilganda y=4(x-3)⁶-7(x-3)³+2 funksiyaning qiymati aniqlansin.
include<iostream.h>
#include<math.h>
#include<iostream.h>
#include<math.h>
int main()
{
int x,y;
cout<<"x="; cin>> x;
y=4*(x-3)*(x-3)*(x-3)*(x-3)*(x-3)*(x-3)-7*(x-3)*(x-3)*(x-3)+2;
cout<<"y="<<y;
system("pause");
return 0;

}
Begin21. A soni berilgan. A ning A2, A3, A4 , A5 darajalarini aniqlovchi programma tuzilsin.
#include<iostream.h>
#include<math.h>
int main ()
{
int a,y,y2,y3,y4;
cout<<"a="; cin>>a;
y=a*a;
y2=a*a*a;
y3=a*a*a*a;
y4=a*a*a*a*a;
cout<<"y=" <<y;
cout<<"y2=" <<y2;
cout<<"y3=" <<y3;
cout<<"y4=" <<y4;
system ("Pause");
return 0;
}
Begin22. Temperatura TC gradus Selsiyda berilgan. Temperatura qiymatini TF Farengeytga o'tkazuvchi programma tuzilsin. TC=(TF-32)*5/9
include<iostream.h>
#include<math.h>
int main()
{
int Tc,Tf;
cout<<"Tf="; cin>> Tf;
Tc=(Tf-32)*5/9;
cout<<"Tc="<<Tc;
system("pause");
return 0;
}
Begin23. Birinchi avtomabilning tezligi V1 km/soat ikkinchisiniki V2 km/soat, ular orasidagi masofa S. Ular biri-biridan uzoqlasha boshlasa T vaqtdan keyin ular orasidagi masofani aniqlaydigan programma tuzilsin.
#include<iostream.h>
#include<math.h>
int main()
{
int v1,v2,l,s,t;
cout<<"t=";cin>>t;
v1=20;
v2=30;
s=60;
l=t*(v1+v2)+s;
cout<<"l="<<l;
system("pause");
return 0;
}
Begin24. A va В koeffisentlari berilgan, Ax+B =0 chiziqli tenglamaning yechimini (x ni) aniqlaydigan programma tuzilsin. A<>0
#include<iostream.h>
#include<math.h>
int main ()
{
int a,b,x;
cout<<"a="; cin>>a;
cout<<"b="; cin>>b;
x=-b/a;
cout<<"x=" <<x;
system ("Pause");
return 0;
}

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