LastNameFirstName_lab71b.cpp

LastNameFirstName_lab71b.cpp - This program will read in a...

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// This program will read in a group of test scores( positive integers from 1 to 100) // from the keyboard and then calculates and outputs the average score // as well as the highest and lowest score. There will be a maximum of 100 scores. #include <iostream> #include <fstream> using namespace std; const int ARRAY_SIZE=100; float findAverage (int array[], int size); // finds average of all grades int findHighest (int array[], int size); // finds highest of all grades int findLowest (int array[], int size); // finds lowest of all grades int main() { int grades[ARRAY_SIZE]; // the array holding the grades. int temp; // variable for the input number int numberOfGrades; // the number of grades read. int pos; // index to the array. float avgOfGrades; // contains the average of the grades. int highestGrade; // contains the highest grade. int lowestGrade; // contains the lowest grade. ifstream inputfile; inputfile.open ("gradefile.txt"); if (inputfile.fail()) { cout << "Unable to open input file, ending program"; return 1; //ends program } pos=0; while(pos < ARRAY_SIZE && inputfile>> grades[pos]) { ++pos; }// end for
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