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哪里错了,总是WA!!!代码如下:
#include"stdio.h"
#include"math.h"
void main()
{
int n, t;
long ans;
scanf("%d", &t);
while(t--)
{
scanf("%d", &n);
ans = (long)pow(2, n-1) + (long)pow(4, n-1);
printf("%ld\n", ans);
}
}
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