i store student information(name grade mark) in database....how to print student who score less than 50.0 mark and who score A ,Compute the average mark of students in the class, number of students who scored less than 50.0 marks,Print out the information for all ten students and Given a student name (input by the user), print out all the information for that student......
#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include<string.h>
int main()
{
int clrscr();
int i,j;
float tf=0;
char t[100];
struct student
{
char name[100];
char grade[100];
float marks;
};
printf("Please enter innformation of 10 student\n");
struct student s[10];
for(i=0;i<10;i++)
{
printf("\nName :");
scanf("%s",&s[i].name);
printf("Grade :");
scanf("%s",&s[i].grade);
printf("Mark :");
scanf("%f",&s[i].marks);
}
for(i=0;i<10;i++)
{
for(j=i;j<10;j++)
{
if(s[i].marks>s[j].marks)
{
tf=s[i].marks;
s[i].marks=s[j].marks;
s[j].marks=tf;
strcpy(t,s[i].grade);
strcpy(s[i].grade,s[j].grade);
strcpy(s[j].grade,t);
strcpy(t,s[i].name);
strcpy(s[i].name,s[j].name);
strcpy(s[j].name,t);
}
}
}
}
void displayMenu(int &option) {
/* display result */
printf("\t ****************************************************\n");
printf("\t ************ Welcome To My Program ************\n");
printf("\t ****************************************************\n");
printf("\nPlease choose one of the following :");
printf("\n\n1. Display Information of All Student\n");
printf("2. Display Information of All Student Who Scored Grade A\n");
printf("3. Display Information of All Student Who Scored Less Than 50.0 Marks A\n");
printf("4. Display Number of Student Who Scored Less Than 50.0 Marks \n");
printf("5. Compute The Average Mark of Students in the Class\n");
printf("6. Given a student name (input by the user), print out all the information for that student\n");
printf("7. Exit this program\n");
/* display and input selection */
printf("\nPlease enter your selection :");
scanf("%d%c",&option);
}
int main(){
int option =0;
bool exit = false;
while(!exit) {
displayMenu(option);/* function call */
system("cls");
switch(option) {
case 1:
break;
case 2:
continue;
case 3:
continue;
case 4:
continue;
case 5:
continue;
case 6:
continue;
case 7:
continue;
case 8:
exit = true;
break;
default:
printf("Incorrect selection.....Please try again ! ! !\n");
continue;
}
}
return 0;/* indicates successful termination */
}
