Stone_Paper_Scissor [vs Computer]

#include<stdio.h>
#include<conio.h>
void main()
{
	
	int i,j,m=0,n=0;
	char a,b,e[1],f;
	int c,r,d;
	srand(time(NULL));
	printf("\t\t\t\tSTONE_PAPER_SCISSOR GAME[Computer Opponent]:-\n\t\t\t\t\t  -by M.MUHUNTHAN\nGame is built on 24.09.2019\n\nPRESS ANY KEY TO CONTINUE");
	getch();
	printf("\n\n\t\t\t-----MENU-----\n\t\t*press 1 for Stone\n\t\t*press 2 for Paper\n\t\t*press 3 for Scissor\n\n\t\tPRESS 1  TO VIEW THE RULE OF THE GAME, else enter any other key: ");
	scanf("%c",&f);
	if(f=='1')
	printf("\n\n\t\tRULES:\n\t<< user have to play against computer>>\n\t<<5 Rounds>>\n\t<<Best of 5 is the winner>>");
	for(i=0;i<5;i++)
	{
		j=0;
		while(j<1)
		{
		printf("\n\nROUND %d:-",i+1);
		printf("\nUser1's turn:");
		e[0]=getch();
		fflush(stdin);
		d=atoi(e);
		a=e[0];
		if(isdigit(a))
		{
			if(d==1||d==2||d==3)
			{
				j++;
			}
			else
			{
				printf("\n\nPlease enter input from 1 to 3....");
			}
		}
		else
		{
			printf("\n\nPlease enter input from 1 to 3....");
		}
		}
		printf("\nComputer's turn:");
		r=(rand()%3)+1;
		b=r+'0';
		if(b!='1'&&b!='2'&&b!='3')
		{
		
			printf("\nWrong input:Technical point to user1 ");
			m++;
			continue;
		}
		int c=(int)(a-'0')+(int)(b-'0');
		if(a==b)
		{
			if(a=='1')
			{
				printf("\n\nBoth user and computer entered STONE");
				printf("\nDRAW in this round,No points");
			}
			else if(a=='2')
			{
				printf("\n\nBoth user and computer entered PAPER");
				printf("\nDRAW in this round,No points");
			}
			else if(a=='3')
			{
				printf("\n\nBoth user and computer entered SCISSOR");
				printf("\nDRAW in this round,No points");
			}
			else
			{
				printf("\n\nBoth entered invalid option\nNo points to each other");
			}
		}
		else if(c==3)
		{
			if(a=='1')
			{
				printf("\n\nUser1 entered STONE");
				printf("\ncomputer entered PAPER");
				n++;
				printf("\ncomputer gets one point in this round");
			}
			else
			{
				printf("\n\nUser1 entered PAPER");
				printf("\ncomputer entered STONE");
				m++;
				printf("\nUser1 gets one point in this round");
			}
		}
		else if(c==4)
		{
			if(b!='3')
			{
				printf("\n\nUser1 entered SCISSOR");
				printf("\ncomputer entered STONE");
				n++;
				printf("\ncomputer gets one point in this round");
			}
			else
			{
				printf("\n\nUser1 entered STONE");
				printf("\ncomputer entered SCISSOR");
				m++;
				printf("\nUser1 gets one point in this round");
			}
		}
		else if(c==5)
		{
			if(a=='2')
			{
				printf("\n\nUser1 entered PAPER");
				printf("\ncomputer entered SCISSOR");
				n++;
				printf("\ncomputer gets one point in this round");
			}
			else
			{
				printf("\n\nUser1 entered SCISSOR");
				printf("\ncomputer entered PAPER");
				m++;
				printf("\nUser1 gets one point in this round");
			}
		}
		else
		{
			printf("\\nSomething went wrong!");
			break;
		}
		if(m>2||n>2)
		{
			break;
		}
	}
	printf("\n\n\t\t\tUser1 got %d points totally",m);
	printf("\n\t\t\tComputer got %d points totally",n);
	if(m>n)
	{
		printf("\n\n\t\t****User1 is the WINNER****");
	}
	else if(n>m)
	{
		printf("\n\n\t\t****Computer is the WINNER****");
	}
	else
	{
		printf("\n\n\t\t*****Match Draw*****");
	}
	getch();
}