C++: Write a program that reads a file consisting of students test scores in the

Question

C++: Write a program that reads a file consisting of students test scores in the range 0-200. It should then determine the number of students having scores in each of the following ranges: 0-24, 25-49, 50-74, 75-99, 100-124, 125-149, 150-174, and 175-200. Output the score ranges and the number of students. (Run your program with the following input data: 76, 89, 150, 135, 200, 76, 12, 100, 150, 28, 178, 189, 167, 200, 175, 150, 87, 99, 129, 149, 176, 200, 87, 35, 157, 189.)]

needs to be compiled

Explanation / Answer

#include <iostream>

#include <iomanip>

#include <fstream>

using namespace std;

int main() {

int x;

ifstream inf;

inf.open("test.txt");

int count[8] = {0};

// incrementing the count by 1 each time

char y;

while (inf >> x) {

if(x/24 == 8)

count[7]++;

else

count[x/24]++;

inf >> y;

}

inf.close();

// printing output

int first = 0;

for(int i=0; i<7; i++)

{

cout << first << "-" << first+24 << " = " << count[i] << endl;

first += 25;

}

cout << first << "-" << 200 << " = " << count[7] << endl;

first += 25;

return 0;

}

/*SAMPLE OUTPUT

0-24 = 1

25-49 = 2

50-74 = 0

75-99 = 5

100-124 = 2

125-149 = 2

150-174 = 6

175-200 = 8

*/

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