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  1. #include<stdio.h>
  2. char s[10],m[3];
  3. int main(int H){
  4. 	if(scanf("%d:%s%s",&H,&s,&m)==3,printf("%d:%s",H+12*(m[0]=='P'),s)){}
  5. }
Success #stdin #stdout 0s 9432KB
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10:20:15 PM
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22:20:15
https://ideone.com/DXwEUP
language:
C (gcc 8.3)
created:
8 years ago
visibility:
secret

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