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Help Needed in debugging
By TheHoodyGang, history, 6 weeks ago, In English

Please help in this question 1974F - Игра с отрезанием according to me my method is completely correct 275053218 but I am repeatedly getting Runtime Error, I have debugged this a lot of times but to no avail.

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6 weeks ago, # |
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Auto comment: topic has been updated by TheHoodyGang (previous revision, new revision, compare).

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6 weeks ago, # |
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This is wrong

275053218

1. auto it = rows.upper_bound(r2); // if it is already rows.begin()
it--; 

2. auto it = cols.upper_bound(c2); // if it is already cols.begin()
it--;
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    6 weeks ago, # ^ |
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    Thanks a lot!Now I am getting WA, could you please mention what is the mistake or perhaps give a counter example.

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