JamesFlare/CSCI-1200
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

renaming

Browse Source
This commit is contained in:
Jidong Xiao
2025-01-27 14:12:21 -05:00
committed by JamesFlare1212
parent f0e546a969
commit 3d3e168e38
1 changed files with 0 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files

116
labs/memory_debugging/buggy_lab4.cpp
View File

@@ -1,116 +0,0 @@
#include <iostream>
#include <fstream>
#define MAX_ARRAY_SIZE 50
/** IMPORTANT: SOLUTIONS THAT DO NOT FOLLOW BELOW INSTRUCTIONS WILL RECEIVE NO CREDIT
* Do not add or modify code in this file UNLESS ASKED TO!
* You are NOT allowed to declare new variables; use the ones already declared.
* You are NOT allowed to create new helper functions or modify checkCorrectSmallest()
**/
/** DO NOT MODIFY THIS FUNCTION! **/
int checkCorrectSmallest(int* smallestNum, const std::string& filename) {
if (filename == "first.txt" || filename == "middle.txt") {
if (*smallestNum != 1) {return -1;}
}
else if (filename == "last.txt") {
if (*smallestNum != 22) {return -1;}
}
return 1;
}
/** A function that will identify the mean and smallest number
* in a set of data provided that there are at most 50 numbers
* in the file.
*
* @param filename: The name of a file that contains a list of numbers.
*
* Task: Add or modify code in the appropriate sections to fix memory and logic errors
* without using data structures (such as an array or vector) and without using any
* additional memory on the stack.
**/
void identifyMeanAndMin(const std::string& filename) {
int* numElements;
int* sum;
int* smallestNum;
float* avg;
/** PART 1: ADD CODE BELOW **/
/** PART 1: ADD CODE ABOVE **/
*numElements = 0;
*sum = 0;
int readInt;
int* intArray = new int[MAX_ARRAY_SIZE];
std::ifstream input(filename);
while (input >> readInt) {
*(intArray + *numElements) = readInt;
*numElements += 1;
}
std::cout << "Printing the contents of the array in reverse order: ";
/** PART 2: MODIFY CODE BELOW **/
for (int i = MAX_ARRAY_SIZE; i >= -1; i--) {
// If we're at the beginning of the for loop, initalize *smallestNum
// Else, compare *smallestNum to current element in the for loop
if (i == MAX_ARRAY_SIZE) {
*smallestNum = *(intArray + i);
}
else {
if (*smallestNum > *(intArray + i)) {
*smallestNum = *(intArray + i);
}
}
/** PART 2: MODIFY CODE ABOVE **/
*sum += *(intArray + i);
std::cout << *(intArray + i) << " ";
}
std::cout << std::endl;
if (checkCorrectSmallest(smallestNum, filename) == -1) {
std::cout << "ERROR: incorrect value for smallest number" << std::endl;
return;
}
*avg = *sum / float(*numElements);
std::cout << "The average for the set of numbers in " << filename << " is "
<< *avg << " and the smallest number is " << *smallestNum
<< std::endl;
/** PART 3: ADD AND/OR MODIFY CODE BELOW **/
delete intArray;
/** PART 3: ADD AND/OR MODIFY CODE ABOVE **/
}
int main() {
identifyMeanAndMin("first.txt");
std::cout << std::endl;
identifyMeanAndMin("middle.txt");
std::cout << std::endl;
identifyMeanAndMin("last.txt");
return 0;
}