lunchbox Batch , stdin/stdout

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For subtask 1, 0 < ki ≤ 60 000 instead of 0 < ki ≤ 30 000.

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Subtask	Score	#TC	Time	Memory	Scoring
1	20	3	0.5s	512MB	Minimum
2	30	5	0.5s	512MB	Minimum
3	50	16	0.5s	512MB	Minimum
4	0	1	0.5s	512MB	Minimum

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