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Discussion of Problem 1043. Cover an Arc

Failed Peter I got WA on test3.Who can give me some test datas? [3] // Problem 1043. Cover an Arc 1 Apr 2004 14:22
i got the tests, send me a mail to ste_fanus@k.ro if you want them
Input #1
10 15
15 10
13 14
Output #1
25
Input #2
0 5
5 0
1 1
Output #2
36
Input #3
10 15
13 14
15 10
Output #3,#4,#5
100
I don't understand test No 2.
If starting and ending points of arc is (0,5) and (5,0), then co-ordinates of rectangle should be (0,0) and (5,5) right ? Hence area should be 25.
Did I not understand the question correctly ? Please explain to me.