If it is, you will be able to buy a SIM card when you arrive to your destination and buy one at a cell store. First, check with your carrier to see if your phone is unlocked. If you are going to spend more than a couple of weeks in your destination, you may want to look into getting a SIM card. Accept that you will limit your communication via your mobile phone and put it on airplane mode.Get a SIM card upon arrival in your destination.Your two main options for your phone plan when you travel abroad are these: You can also set up a pin for your credit card ahead of time so that in case of an emergency, you can use your credit card to withdraw cash. In Europe, there are ATMs all over the place so you can use a debit card to withdraw cash. I have never exchanged currency ahead of time since you can usually do so even in the airport upon arrival.įor debit card use, you can check with your bank and see if they have alliances with banks abroad that would enable you to quickly and easily access your bank accounts and money (for example, Bank of America has alliance with Barkleys in London). When it comes to currency exchange, it should depend on whether or not ATMs are easily accessible in your destination. If you are using cards other than these, it is suggested to give your bank a call so they don’t see a transaction in another country and then lock your account, leaving you stranded without a way to access your money! One thing to note about different credit cards is that Discover is not widely used in Europe, so I recommend using something else when you head across the pond. It is worth applying for a new card just for your trip alone to avoid paying percentages of the cash amount you withdraw just to be able to get around. Chase Sapphire and Capital One Travel are two popular credit cards that do not charge transaction fees when you are abroad. Having a credit card that does not charge transaction fees will make a big difference when you are pulling out cash on your trip overseas. Here’s what you need to know to do right before going abroad: Credit Cards This list below is designed to walk you through the last lose ends to tie up before you head off into the wind for your next adventure. I found myself wishing I had more time until takeoff, so making a list of logistics and things to do has really helped me break tasks down into manageable projects. Now we fly to Norway NEXT WEEK and it sure has crept up. When we booked our trip a couple of months ago for Europe, it felt like I had so much time to plan. if n=0, print the time in hours & minutes.įor every index i we are first setting the ith bit high, then setting it low to look for different bit combinations.A couple weeks right before going abroad, things honestly start to get a little bit overwhelming.calculate hour & minute values, if it is valid proceed, else return.We see every index in str has two possible cases: We have to try all the combinations for set bits with the given n number of bits, so we will set every bit of str as 1 once and calculate hour and minute values, if the values lie in the range 0-11 & 0-59 respectively, we will keep this combination of set bit and recur for the next index of str to to try other combinations. First 6 bits in str will be reserved for minute and next 4 bits for hour. There can be atmost 10 set bits so we can use an array str of size 10. Backtracking algorithm is generally exponential in time. If any subproblem does not fit the given constraint then we discard the complete subproblem, moves a step back then try other remaining possible combinations. We need to explore all the possible combinations for set bits which can be solved with backtracking.īacktracking is the approach to solve the problem by testing all possible combinations. If it is valid we will consider it else try other combinations which are valid. Idea is to set ( 1) every bit once and see if the generated value is a valid value for hour (0 to 11) or minute (0 to 59). There can be atmost 10 set bits, 4 bits for hour and 6 bits for minutes. See original problem statement here Solution Approach : Introduction : Hour (0 to 11) can be represented by 4 bits and Minutes (0 to 59) can be represented by 6 bits. Given n set bits, we have to determine all the time that can be represented by those number of set bits.
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