EECE 230 Lab Report, Spring 2008
American University of Beirut · Introduction to Programming · 3 pages
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Show the text of this lab
#include <iostream>
using namespace std;
float main(){
cout<<"Ex 2-7:\n\n";
cout << "======================================================\
n******************************************************\n
Welcome to C++ \n";
cout<<"******************************************************\
n======================================================\n\n\n";
cout<<"Ex 2-9:\n\n";
float c1,c2,c3,c4,c5;
cout<<"Enter 1st number: ";
cin>>c1;
cout<<"Enter 2nd number: ";
cin>>c2;
cout<<"Enter 3rd number: ";
cin>>c3;
cout<<"Enter 4th number: ";
cin>>c4;
cout<<"Enter 5th number: ";
cin>>c5;
cout<<"The five numbers are: "<<c1<<", "<<c2<<", "<<c3<<", "<<c4<<",
and "<<c5;
int i1=static_cast<int>(c1+0.5);
int i2=static_cast<int>(c2+0.5);
int i3=static_cast<int>(c3+0.5);
int i4=static_cast<int>(c4+0.5);
int i5=static_cast<int>(c5+0.5);
cout<<"\n\nThe nearest integer of the 1st number is "<<i1;
cout<<"\nThe nearest integer of the 2nd number is "<<i2;
cout<<"\nThe nearest integer of the 3rd number is "<<i3;
cout<<"\nThe nearest integer of the 4th number is "<<i4;
cout<<"\nThe nearest integer of the 5th number is "<<i5;
int sum=i1+i2+i3+i4+i5;
cout<<"\n\nTheir sum is "<<sum;
float average=sum/5.0;
cout<<"\nAnd their average is "<<average<<"\n\nEx 2-12:\n";
int hour;
int min;
int sec;
cout<<"Enter the number of hours: ";
cin>>hour;
cout<<"Enter the number of minutes: ";
cin>>min;
cout<<"Enter the number of seconds: ";
cin>>sec;
int time=(hour*3600)+(min*60)+(sec);
cout<<"\nThe time in seconds is "<<time<<"\n\n";
return 0;
}
#include <iostream>
using namespace std;
void main()
{
int array[100], i, j, targetSum, integer;
cout<<"Enter the target sum: ";
cin>>targetSum;
for (i=0; i < 100 && integer != 999;i++)
{
cout<<"Enter integer: ";
cin>>integer;
array[i] = integer;
}
i=0;
j = i + 1;
while (i<100) {
j=i;
while (j < 100) {
if (array[j] + array[i] == targetSum) {
cout<<"("<<array[i]<<","<<array[j]<<")\n";
}
j++;
}
i++;
}
}