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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int mark;
  5.     printf("Enter your mark[0-100]:\n");
  6.     scanf("%d", &mark);
  7.  
  8.     if (mark < 0 || mark > 100)
  9.         printf("Invalid Mark, should be [0-100]");
  10.     else if (mark >= 90)
  11.         printf("A");
  12.     else if (mark >= 80)
  13.         printf("B");
  14.     else if (mark >= 70)
  15.         printf("C");
  16.     else if (mark >= 60)
  17.         printf("D");
  18.     else
  19.         printf("F");
  20. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
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90
stdout
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Enter your mark[0-100]:
A
https://ideone.com/SNNf2r
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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