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Mountain

UnratedLanguage limit
English

Language

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Time limit
3000 ms
Memory limit
256 MB (no extra memory)
Submissions
0
Correct
0
Solved by
0
AC rate
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Statement

Mountain

Mountain

Examples

Sample input 1
4
Q 1
I 1 4 2
Q 3
Q 1
I 2 2 -1
Q 3
E
Sample output 1
4
1
0
3

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Source

This problem accepts only these languages.

C++20