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Binary addition

LIST OF PROGRAMS #include<stdio.h> #include<conio.h> void  main() { int a[100],a2[100],s[100],i=0,sum,carry=0,tmp=0,size; clrscr(); printf("ENTER SIZE OF ARRAY "); scanf("%d",&size); printf("ENTER 1st NUMBER\n"); for(i=0;i<size;i++) { fflush(stdin); scanf("%d",&a[i]); if(a[i]<0||a[i]>1) { printf("WRONG INPUT"); } } printf("\nENTER 2nd NUBER"); for(i=0;i<size;i++) { scanf("%d",&a2[i]); if(a[i]<0||a[i]>1) { printf("WRONG INPUT"); } } printf("\n 1st number entered is "); for(i=0;i<size;i++) printf("%d",a[i]); printf("\n2nd number entered is "); for(i=0;i<size;i++) printf("%d",a2[i]); for(i=size-1;i>=0;i--) { //main logic of the program tmp=a[i]+a2[i]+carry; if(tmp==0)  { sum=0; carry=0;  } else if(tmp==1) { sum=1; carry=0; } else if(tmp==2) { sum=0; carry=1; } el