Write a program that will input letters grade(A,B,C,D,F), the number of which is
ID: 3551976 • Letter: W
Question
Write a program that will input letters grade(A,B,C,D,F), the number of which is input by the user (a maximum of 50 grades). The grades will be read into array. A function will be called five times(once for each letter grade) and will return the total number of grades in that category. The function must be passed 3 parameters: the array, the number of elements in the array, and the letter to be searched for and counted (A, B, C, D or F). The program will print the number of each grade.
Additional Information:
Store all the input grades one by one in an array;
The function prototype looks like the following:
int countChar(char[], int, char);
The function will go through the array and count how many occurrences for the designated letter grade.
Sample Run:
Please input the number of grades to be read in.(1-50): 6
all grades must be upper case A B C D or F
?Input a grade: A
Input a grade: C
Input a grade: A
Input a grade: B
Input a grade: B
Input a grade: D
Number of As = 2
Number of Bs =2
Number of Cs = 1
Number of Ds = 1
Number of Fs = 0
???
??
Explanation / Answer
#include <iostream>
using namespace std;
int countChar(char[], int, char);
int main(){int i,n;
char grade[50],letters[5]={'A','B','C','D','F'};
cout<<"Please input the number of grades to be read in.(1-50): ";
cin>>n;
cout<<"all grades must be upper case A B C D or F ";
for(i=0;i<n;i++)
{cout<<"Input a grade: ";
cin>>grade[i];
}
for(i=0;i<5;i++)
cout<<"Number of "<<letters[i]<<"s ="<<countChar(grade,n,letters[i])<<endl;
system("pause");
return 0;
}
int countChar(char g[], int n, char l)
{int i,sum=0;
for(i=0;i<n;i++)
if(g[i]==l)
sum++;
return sum;
}
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