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用数学的方法为什么WA??#include<stdio.h>
#include<math.h>
void main()
{
int i,n,k,sum;
scanf("%d",&k);
while(k--)
{
scanf("%d",&n);
i=(int)sqrt(2*n);
if(i*(i+1)/2-n<0)
i++;
sum=i-i*(i+1)/2+n;
printf("%d\n",sum);
}
}
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