#include <iostream>
char a[1000002]={0};
int main()
{
	int n,i;
	int x,y;
	scanf("%d",&n);
	a[n+1]='\0';
	for(i=1;i<=n;i++)
	{
		scanf("%d%d",&x,&y);
		a[i]=x+y+'0';
	}
	for(i=n;i>=1;i--)
	{
		a[i-1]+=(a[i]-'0')/10;
		a[i]=(a[i]-'0')%10+'0';
	}
	printf("%s\n",a+1);
	return 0;
}

• Re:Accepted 1132K 1344MS C++ 298B (366) qianwei 2010-07-05 01:31:22