There is a robot which wants to go the charging point to charge itself.
The robot moves in a 2-D plane from the original point (0,0). The robot can
move toward UP, DOWN, LEFT and RIGHT with given steps.
The trace of robot movement is shown as the following:
UP 5
DOWN 3
LEFT 3
RIGHT 2
Then, the output of the program should be:
2
The numbers after the direction are steps.
Write a program to compute the distance between the current position after
a sequence of movement and original point. If the distance is a float, then
just print the nearest integer (use round() function for that and then convert
it into an integer).
Input Format:
The first line of the input contains a number n which implies the number of
directions to be given.
The next n lines contain the direction and the step separated by a space.
Output Format:
Print the distance from the original position to the current position.
Example:
Input:
4
UP 5
DOWN 3
LEFT 3
RIGHT 2
Output:
2
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ᴛʜᴇ ɴᴀʀʀᴀᴛᴏʀ ᴡᴀꜱ ꜰɪʟʟᴇᴅ ᴡɪᴛʜ ʜᴀᴩᴩɪɴᴇꜱꜱ ᴀɴᴅ ᴄᴏɴᴛᴇɴᴛᴍᴇɴᴛ ᴡʜᴇɴ ʜᴇ ᴡᴀꜱ ꜰʟyɪɴɢ ʜɪꜱ ᴀᴇʀᴏᴩʟᴀɴᴇ ʙᴀᴄᴋ ᴛᴏ ᴇɴɢʟᴀɴᴅ. ᴇxᴩʟᴀɴᴀᴛɪᴏɴ: ɪɴ ᴛʜᴇ ꜱᴛᴏʀy ʙʟᴀᴄᴋᴀᴇʀᴏᴩʟᴀɴᴇ ʙy ꜰʀᴇᴅᴇʀɪᴄᴋ ꜰᴏʀꜱyᴛʜ, ᴀ ᴩɪʟᴏᴛ ɪꜱ ꜰʟyɪɴɢ ʙᴀᴄᴋ ʜᴏᴍᴇ ᴛᴏ ʟᴏɴᴅᴏɴ ꜰʀᴏᴍ ᴩᴀʀɪꜱ. ʜᴇ ɪꜱ ꜰɪʟʟᴇᴅ ᴡɪᴛʜ ʜᴀᴩᴩɪɴᴇꜱꜱ ᴀɴᴅ ꜱᴀᴛɪꜱꜰᴀᴄᴛɪᴏɴ ᴀꜱ ʜᴇ ɪꜱ ʀᴇᴛᴜʀɴɪɴɢ ʜᴏᴍᴇ ᴛᴏʜɪꜱ ꜰᴀᴍɪʟy ᴀɴᴅ ʜᴏᴍᴇ.
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