text: #include<bits/stdc++.h>
  #include <windows.h>
  #include "uitool.h"
  using namespace std;
  
  void setBackgroundColor(){
      SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE),
                              FOREGROUND_BLUE |
                              BACKGROUND_BLUE |
                              BACKGROUND_GREEN |
                              BACKGROUND_RED );
  }
  
  void setTextColor(int colorid){
      SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), 
                              colorid);
  }
  
  void setwindowsize(int cols,int lines){
      system("title BankManager");
      char cmd[30];
      sprintf(cmd,"mode con cols=%d lines=%d", cols * 2, lines);
      system(cmd);
  }
  
  void setCursorLocation(int x,int y){
      COORD loc;
  	loc.X = x; loc.Y = y;
      HANDLE hout = GetStdHandle(STD_OUTPUT_HANDLE);
  	SetConsoleCursorPosition(hout, loc);
  }