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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int month;
  5.     char* day;
  6. 	printf("Please input a month number: ");
  7.     scanf("%d",&month);
  8.     switch(month){
  9.     case 1:
  10.         day = "31";
  11.         break;
  12.     case 2:
  13.         day = "28/29";
  14.         break;
  15.     case 3:
  16.         day = "31";
  17.         break;
  18.     case 4:
  19.         day = "30";
  20.         break;
  21.     case 5:
  22.         day = "31";
  23.         break;
  24.     case 6:
  25.         day = "30";
  26.         break;
  27.     case 7:
  28.         day = "31";
  29.         break;
  30.     case 8:
  31.         day = "31";
  32.         break;
  33.     case 9:
  34.         day = "30";
  35.         break;
  36.     case 10:
  37.         day = "31";
  38.         break;
  39.     case 11:
  40.         day = "30";
  41.         break;
  42.     case 12:
  43.         day = "31";
  44.         break;
  45.     default:
  46.         printf("Invalid input");
  47.     }
  48.     printf(day);
  49. 	return 0;
  50. }
  51.  
Success #stdin #stdout 0s 5284KB
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Please input a month number: 31
https://ideone.com/K3xOl5
language:
C (clang 8.0)
created:
22 days ago
visibility:
public

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