怎么输入次方
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所有回答(2)
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include <stdio.h>
include <math.h>
int main() {
unsigned long long result = (unsigned long long)pow(2, 30);
printf("2^30 = %llu\n", result);
return 0;
}
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printf("cal 2^%d=%llu\n", n, 1 << n);
