Why am I getting a TLE in this code?

Правка ru1, от fan_balae, 2020-05-23 13:26:50

Link to submission: https://mirror.codeforces.com/contest/1324/submission/81004543

The algorithm is similar to what most others used but this is showing a TLE on the 24th test. Can anyone point out my error?

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ru1 Русский fan_balae 2020-05-23 13:26:50 239 First edition (опубликовано)