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Time Limit
Memory Limit
Input File
Output File
8 seconds
512 MiB
Standard Input
Standard Output
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Attachments
courier.h
courier.c
template.c
template.cpp
Problem info
Subtask 1 (30 points) has 4 cases.
Subtask 2 (15 points) has 4 cases.
Subtask 3 (15 points) has 2 cases.
Subtask 4 (20 points) has 2 cases.
Subtask 5 (20 points) has 2 cases.
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