Mersi anticipat...va rog macar o problema
Răspunsuri la întrebare
problema 1:
#include <iostream>
#include <math.h>
using namespace std;
int main()
{
double a, b, c, aria, perim;
int optiune=0;
cout << "introdu catetele unui triunghi dreptunghic: " << "\n";
cin >> a >> b;
cout << "Ce doresti sa afli. aria triunghiului sau perimetrul?" << "\n";
cout << "alege optiunea 1 pentru arie, 2 pentru perimetru..." << "\n";
while (optiune!=1 && optiune!=2)
{
cout << "alege optiunea: ";
cin >> optiune;
cout << "\n";
}
if (optiune==1)
{
aria=a*b/2;
cout << "aria=" << aria << "\n";
}
else
{
c=sqrt(a*a+b*b);
perim=a+b+c;
cout << "perimetrul = " << perim << "\n";
}
cout << "S U C C E S E !" << endl;
return 0;
}
#include
#include
using namespace std;
int main()
{
double x, y, a;
cout << "x=";
cin >> x;
cout << "a="; cin >> a;
cout << "\n";
if (x<=4)
y=sqrt(4-x)+a*x*x*x;
else if (x<=10)
y=a+100/x + 1.4;
else y=a*x*x-10*x+2;
cout << "y=" << y << endl;
return 0;
}
#include
using namespace std;
int main()
{
int num;
for (num=10; num<=20; num+=2)
cout << num*num << " ";
return 0;
}
#include
using namespace std;
int main()
{
int n, m, i, j, spatii=0;
cout << "n="; cin >> n;
cout<< "piramida.... " << "\n";
m=2*n-1;
while (m>0)
{
for (j=1; j<=spatii; ++j)
cout << " ";
for (i=1; i<=m; ++i)
cout << i << " ";
cout << "\n";
m-=2; ++spatii;
}
return 0;
}