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#include<iostream.h>
#include<conio.h>
#include<stdlib.h>
#include<ctype.h>
#include<stdio.h>
struct tm
{
char day[3],month[3],year[5];
char hrs[3],min[3],sec[3];
int d,m,y,H,M,S;
char time[21];
//function for breaking time
void brk();
//function for checking correct time format
int check1();
int check2();
//function for converting strings to int
void convert();
}t1,t2;
void tm::convert()
{
d=atoi(day);
m=atoi(month);
y=atoi(year);
H=atoi(hrs);
M=atoi(min);
S=atoi(sec);
}
int tm::check2()
{
int u=0;
if(m>12||m==0||d>31||d==0||M>=60||S>=60||H>=24)
{u++;
return u;
}
if(m==2||m==4||m==6||m==9||m==11)
{
if(d>30)
{
u++;
return u;
}
}
return u;
}
int tm::check1()
{
int i,u=0;
for(i=0;i<19;i++)
{
if((i==2||i==5||i==10||i==13||i==16)&&(time[i]!='-'))
{
u++;
return u;
}
else if(!(isdigit(time[i])))
{
u++;
return u;
}
}
return u;
}
void tm::brk()
{
int i,j;
for(i=0,j=0;i<20;i++,j++)
{
if(i==2||i==5||i==10||i==13||i==16)
j=0;
else if(i<2)
day[j]=time[i];
else if(i<5)
month[j]=time[i];
else if(i<10)
year[j]=time[i];
else if(i<13)
hrs[j]=time[i];
else if(i<16)
min[j]=time[i];
else if(i<19)
sec[j]=time[i];
}
}
main()
{
clrscr();
int a=0,b=0;
A:
cout<<"\nenter time in format dd-mm-yyyy-HH-MM-SS only\n";
cout<< "\nenter time 1 :\n";
cin.getline(t1.time,20);
a=t1.check1();
if(a)
{
cout<<"\ninvalid format pls try again\n";
cout<<"\npress ESC to exit or any other key to continue\n";
if(getch()==27)
exit(0);
goto A;
}
t1.brk();
t1.convert();
b=t1.check2();
if(b)
{
cout<<"\ncheck values max time can be 31-12-9999-23-59-59\n";
cout<<"\npress ESC to exit or any other key to continue\n";
if(getch()==27)
exit(0);
goto A;
}
cout<<"\ntime input success, input time is : ";
puts(t1.time);
getch();
return 0;
}
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