acm Batch , stdin/stdout

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Do note that this website only supports submissions in C++.

For all subtasks, 3 ≤ N ≤ 150 000.

Subtask 1 (36%): 3 ≤ N ≤ 10 000.

Subtask 2 (64%): No further constraints.

Subtask 3 (0%): Sample Testcases.

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Subtask	Score	#TC	Time	Memory	Scoring
1	36	54	1s	64MB	Minimum
2	64	87	1s	64MB	Minimum
3	0	2	1s	64MB	Minimum

g++-8 ans.cpp -o acm -Wall -Wshadow -static -O2 -lm -m64 -s -w -std=gnu++17 -fmax-errors=512