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  1. #include<stdio.h>
  2.  
  3. int main()
  4. {
  5.    printf("It is a program about grading\n");
  6.    int a;
  7.    printf("Enter the acquiring number of a student:");
  8.    scanf("%d",&a);
  9.    if(a>=80&&a<=100)
  10.         printf("\nyour grade is=A+\n");
  11.    else if(a>=75&&a<80)
  12.         printf("\nyour grade is=A\n");
  13.    else if(a>=70&&a<75)
  14.         printf("\nyour grade is=A-\n");
  15.    else if(a>=65&&a<70)
  16.         printf("\nyour grade is=B+\n");
  17.    else if(a>=60&&a<65)
  18.         printf("\nyour grade is=B-\n");
  19.    else if(a>=50&&a<60)
  20.         printf("\nyour grade is=c\n");
  21.    else if(a>=40&&a<50)
  22.         printf("\nyour grade is=D\n");
  23.     else if(a>100||a<0)
  24.         printf("Invalid intput");
  25.    else
  26.         printf("\nIt is sorry to you that you fail\n");
  27.  
  28.    return 0;
  29.  
  30. }
  31.  
Success #stdin #stdout 0s 2172KB
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stdin
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Standard input is empty
stdout
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It is a program about grading
Enter the acquiring number of a student:Invalid intput
https://ideone.com/o1LK72
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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