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Task :: falling rocks
There are N stones free falling down.Every second speed of each rock increases by a>0.
Write program that calculates top speed of each rock
INPUT:
first line contains two numbers: N-integer ans a-float
folowing N lines contains two integers(for pascal limits)
first one- initial speed
and
second- initial heigth


OUTPUT:
output must contain N lines.each line contains one number-top speed of falling stown(precision- 4 digits)


input:

3 9.8
0 1
-1 1
199 399

output:

4.4272
4.5387
217.7646

hope this helps to understand :

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Task info
Name:falling rocks
Time:0.1 sec.
Memory:4 MB
#Tests:10
AddedBy: amuts09
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Difficulty:

2 (20 votes)
Quality:

2 (21 votes)
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