Question

| ome Insert Design Layout References Mailings View Help Tell me what you want to do from the l Unless you need to edit, it's safer to stay in 11. Write C++ statements that do the following: a. Declare an array alpha of 10 rows and 20 columns of type int. b. Initialize the array alpha to 0. c. Store 1 in the first row and 2 in the remaining rows d. Store 5 in the first column, and make sure that the value in each subsequent column is twice the value in the previous column. e. Print the array alpha one row per line. f. Print the array alpha one column per line. 12. Suppose that you have the following declarations: int times(30)17) int speed(15117) int trees(100117): int students[50117]: a. Write the definition of the function print that can be used to output the contents of these arrays b. Write the C++ statements that calls the function print to output the contents of the arrays times speed, trees, and students 13. Write a C++ program that declares an array alpha of SO components of type double. Initialize the array so that the first 25 components are equal to the square of the index variable, and the last 25 components are equal to three times the index variable. Output the array so that 10 elements per line are printed. 14. Write a C++ function, smallestindex, that takes as parameters an int array and its size and returns the index of the first occurrence of the smallest element in the array. Also, write a program to test your function. 15. Suppose that you have the following definitions struct timeType struct tourType int hr; string cityName; double min; int distance; int see, timeType travelTime a. Declare the variable destination of type tourType.

Answer 1

11.
a. int alpha[10][20];
b.
for(int i=0;i<10;i++)
{
   for(int j=0;j<20;j++)
   {
       alpha[i][j]=0;
   }
}
c.
for(int i=0;i<10;i++)
{
   if(i==0)
   {
       for(j=0;j<20;j++) alpha[i][j]=1;
   }
   else
   {
       for(j=0;j<20;j++) alpha[i][j]=2;
   }
}
d.
for(int i=0;i<10;i++)
{
   alpha[i][0]=5;
}
for(int i=0;i<10;i++)
{
   for(int j=1;j<20;j++)
   {
       alpha[i][j]=2*alpha[i][j-1];
   }
}
e.
for(int i=0;i<10;i++)
{
   for(int j=0;j<20;j++)
   {
       cout<<alpha[i][j]<<" ";
   }
   cout<<endl;
}
f.
for(int j=0;j<20;j++)
{
   for(int i=0;i<10;i++)
   {
       cout<<alpha[i][j]<<" ";
   }
   cout<<endl;
}
12.
a.
void print(int arr[][],int rows,int cols)
{
   for(int i=0;i<rows;i++)
   {
       for(int j=0;j<cols;j++)
       {
           cout<<arr[i][j]<<" ";
       }
       cout<<endl;
   }
}
b.
print(times,30,7);
print(speed,15,7);
print(trees,100,7);
print(students,50,7);
13.

Code:
#include<iostream>
using namespace std;
int main()
{
   double alpha[50];
   int i;
   for(i=0;i<25;i++)
   {
       alpha[i]=i*i;
   }
   for(i=25;i<50;i++)
   {
       alpha[i]=3*i;
   }
   i=0;
   while(1)
   {
       int j=i;
       for(;j<i+10;j++)
       {
           cout<<alpha[j]<<" ";
       }
       cout<<endl;
       i+=10;
       if(i==50) break;
   }
   return 0;
}

Output:

14.

014916 25 36 49 64 81 100 121 144 169 196 225 256 289 324 361 400 441 484 529 576 75 78 81 84 87 120 123 126 129 132 135 138 141 144 147 Pro cess exited after 3.175 seconds with return value e Press any key to continue . . .

Code:
#include<iostream>
using namespace std;
int smallestIndex(int *arr, int size)
{
   int mi = INT_MAX;int i,loc=-1;
   for(i=0;i<size;i++)
   {
       if(arr[i]<mi)
       {
           mi=arr[i];loc=i;
       }
   }
   return loc;
}
int main()
{
   int arr[]={82,45,67,33,46,33,54,23,556,23,54,656,343};
   cout<<smallestIndex(arr,13);
}

output:

15.
a.
struct tourType destination;
b.
destination.cityName="Chicago";
destination.distance=550;
destination.travelTime.hr=9;
destination.travelTime.min=30;
destination.travelTime.sec=0;

Process exited after 2.316 seconds with return value e Press any key to continue . . .