paste bin

malic
C++
NRYd

#include <cstdio>    
char calender[366];  
int main(void)  
{
	int N,b,e;
	scanf("%d",&N);
	while(N--)  	
	{
		scanf("%d%d",&b,&e);
		for(int i=b;i<=e;i++)
		{  			
			calender[i]=1;
		}
	}
	int ret = 0;
	for(int i=1;i<=365;i++)
	{
		ret+=calender[i];
	}
	printf("%d n",ret);
	return 0;
}

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