QOJ.ac
QOJ
			Time Limit:
			2 s		
				Memory Limit:
			1024 MB		
				Total points:
			100		
						
			Difficulty: 
			[show]
			
		
		
								
		Hackable ✓
	
#4662. 二次整数规划问题
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			The problem was used in the following contests:
					
			
			This problem is prepared by 
Itst			.