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Points:
200.00 (partial)
Time limit:
1.0s
Memory limit:
1G
Input:
stdin
Output:
stdout
Author:
Problem type
Allowed languages
C, C++, GAS64, Pascal, Perl, PHP, Python, Sed, TCL, Text
Ví dụ:
INPUT
3 3
1 2 1
10 10 2
OUTPUT
62
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