flow chart โปรแกรมคำนวณเกรด

#include <stdio.h>
#include <conio.h>
main( )
{
int score;
printf("Input score=");
scanf("%d",&score);

if(score>=0&&score<=100) { if(score>=80)
printf("score grade 4",score);

else if(score>=75)
printf("score grade 3.5",score);

else if(score>=70)
printf("score grade 3",score);

else if(score>=65)
printf("score grade 2.5",score);

else if(score>=60)
printf("score grade 2",score);

else if(score>=55)
printf("score grade 1.5",score);

else if(score>=50)
printf("score grade 1",score);

else
printf("score grade 0",score);
}
else
printf("%d error!!!",score);
getch();
}