#include "time.h"
#include "sys\stat.h"
#include "stdio.h"
int main(){
    struct stat status;
    FILE *fp;
    fp=fopen("test.txt","r");
    fstat(fileno(fp),&status);
    
    printf("Last date of modification : %s",ctime(&status.st_ctime));
    return 0;
}

#include "time.h"
#include "sys\stat.h"
#include "stdio.h"
int main(){
    struct stat status;
    FILE *fp;
    fp=fopen("test.txt","r");
    fstat(fileno(fp),&status);
    printf("Size of file : %d",status.st_size);
    printf("Drive name   : %c",65+status.st_dev);
    return 0;
}

#include<stdio.h>
int main(){
int a,b;

printf("Enter any complex number in the format a+ib: ");
scanf("%d+i%d",&a,&b);

printf("Real part is: %d",a );
printf("\nImaginary part is: %d",b);

return 0;

}

#include<stdio.h>
int main(){
int a,b;

printf("Enter the real part of complex number: ");
scanf("%d",&a);

printf("Enter the imaginary part of complex number: ");
scanf("%d",&b);

printf("\nComplex number is: %d%+di",a,b );

return 0;

}

#include<stdio.h>
int main(){
  int a,b,c,d,x,y;
  printf("\nEnter the first complex number:");
  scanf("%d%d",&a,&b);
  printf("\nEnter the second complex number:");
  scanf("%d%d",&c,&d);
  if(b<0)
      printf("%d-i\n",a-b);
  else
      printf("d+i\n",a+b);
  if(d<0)
      printf("d-i\n",c-d);
  else
      printf("%d+i\n",c+d);
  printf("\nADDITION ");
  x=a+c;
  y=b+d;
  if(y>0)
      printf("%d-i%d",x,-y);
  else
      printf("%d+i%d",x,+y);
  printf("\n\nSUBTRACTION ");
  x=a-c;
  y=b-d;
  if(y<0)
      printf("%d-i%d",x,-y);
  else
      printf("%d+i%d",x,+y);
  return 0;
}