weak test data or weak algorithm analysis?

Revision en3, by NikaraBika, 2015-12-02 08:51:37

Hello This(14612490) is a brute force solution for 506D - Mr. Kitayuta's Colorful Graph and it's time complexity is absolutely O(n^2). (n <= 100 * 1000)
I submitted it and got AC!
Could someone help me? Why did it happen? Weak test data or fast servers?
That code must get TLE in (this test case(a path of size 100 * 1000 and all edges with the same color without any query))

Tags tle, analysis of problem

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en7 English NikaraBika 2017-09-08 10:07:00 62
en6 English NikaraBika 2015-12-02 22:14:32 36
en5 English NikaraBika 2015-12-02 08:56:26 7 Tiny change: 'Hello\nThis([su' -> 'Hello :)<br>\nThis([su'
en4 English NikaraBika 2015-12-02 08:52:20 2
en3 English NikaraBika 2015-12-02 08:51:37 54
en2 English NikaraBika 2015-12-02 08:50:50 17
en1 English NikaraBika 2015-12-02 08:50:23 449 Initial revision (published)