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/*File: ifgrade.c
Reads greades A, B, C, D ,F from the screen and prints the corresponding numerical value (4, 3, 2, 1, 0) of the score*/
#include <stdio.h>
int main()
{
char grade;
double score;
printf("Enter a grade [A,B,C,D,F]: ");
scanf(" %c",&grade);
/*Make the character entered upper case if it is lower case*/
if(grade >= 97)
{
grade = grade-32;
}
if(grade=='A')
{
score = 4.0;
}
else if(grade=='B')
{
score = 3.0;
}
else if(grade=='C')
{
score = 2.0;
}
else if(grade=='D')
{
score = 1.0;
}
else if(grade=='F')
{
score = 0.0;
}
else
{
score = -1;
printf("Invalid grade %c\n",grade);
}
if(score != -1)
printf("The score for the grade %c is %.2f\n",grade,score);
return 0;
}
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