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  1. #include <cstdlib>
  2. #include <iostream>
  3. #include <fstream>
  4. #include <string>
  5.  
  6. using namespace std;
  7.  
  8. string timeConversion(string s) 
  9. {
  10.     string p=s;
  11.     int i,j;
  12.     if(toupper(s[8])=='P') {                   // checking if it is AM or PM
  13.        int x =(s[0]-'0')*10 + (s[1]-'0') +12;
  14.        if (x<24) {
  15.            p[0]= x/10+'0';
  16.            p[1]= x%10+'0';
  17.        }
  18.     }
  19.     else if (s.substr(0,2)=="12")
  20.         p[0]=p[1]='0';
  21.     return p.substr(0, p.size()-2);   //removing last two characters 
  22. }
  23.  
  24. int main()
  25. { 
  26.     string s;
  27.  
  28.     while (getline(cin, s))                
  29.         cout << s << "->" << timeConversion(s) << endl;
  30.  
  31.     return 0;
  32. }
Success #stdin #stdout 0s 15240KB
comments ()
stdin
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12:15:00PM
12:15:00AM
01:24:13AM
01:24:13PM
11:59:45PM
11:59:45AM
stdout
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12:15:00PM->12:15:00
12:15:00AM->00:15:00
01:24:13AM->01:24:13
01:24:13PM->13:24:13
11:59:45PM->23:59:45
11:59:45AM->11:59:45
https://ideone.com/HcvSTn
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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