//========================
//**  GAME KEO-BUA-BAO  **
//========================
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <ctype.h>
#include <time.h>
#include <string.h>
void main()
{
/*****************Khai bao cac bien****************/
int r;
char ng,may,i[3];
/*****************Lay ngau nhien*******************/
srand(time(NULL)); 
 r=rand()%3+1;
 /****************Gioi thieu tro choi**************/
 printf("    Chuong trinh tro choi Bua-Keo-Bao\n");
 printf(" *** ********************************* ***\n");
 printf("    [B]ua        [K]eo          Ba[O]\n");
 scanf("%c",&ng);
 ng= tolower(ng); //chuyen chu nhap vao thanh chu thuong
 /********************Qui doi*********************/
    switch(r)
    {
       case 1: may='b'; //chuyen gia tri so ngau nhien thanh chu tuong ung
       break;
       case 2: may='k';
       break;
       case 3: may='o';
       break;
    }
 /******************In ket qua*******************/
 if ((ng=='k')||(ng=='b')||(ng=='o'))//kiem ra xem co nhap sai khong
 {
  //In ra ket qua cua nguoi
  switch(ng)
  {
     case 'b': strcpy(i,"BUA");
     break;
     case 'k': strcpy(i,"KEO");
     break;
     case 'o': strcpy(i,"BAO");
     break;
    }
    printf(" Ban ra %s\n",i);
  //In ra ket qua cua may
  switch(may)
  {
     case 'b': strcpy(i,"BUA");
     break;
     case 'k': strcpy(i,"KEO");
     break;
     case 'o': strcpy(i,"BAO");
     break;
  }
  printf(" May ra %s\n",i);
 /*************Chon ra nguoi thang ***************/
     if (ng==may)
    printf(" KET QUA HOA\n");
    else if ((ng=='b' && may=='k')||(ng=='k' && may=='o')||(ng=='o' && may=='b'))
          printf(" CHUC MUNG BAN DA CHIEN THANG\n");
       else
          printf(" RAT TIEC BAN DA THUA\n");
  }
  else
  printf(" Ban da nhap sai\n");
  getch();
}