#Include <stdio.h> #define is_power_two(n) (((n) != 0) && !((n) & ((n)

Question

#Include <stdio.h> #define is_power_two(n) (((n) != 0) && !((n) & ((n)

- 1)))

int main() {
int n;
scanf("%d", &n);

for (int i = 0; i < n; ++i) {
scanf("%d", &n);
printf("%s\n", (is_power_two(n) ? "YES" : "NO"));
}

return 0;
}

0

01.03.2024

5 ответов

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Zefir

Use popcount(n) == 1

0

8 месяцев назад

Prince Of Persia [field = CE,DM = BLOCK]

And this code has a bug because loop controller variable is used in scanf inside the loop

0

8 месяцев назад

Prince Of Persia [field = CE,DM = BLOCK]

Btw is that is_power_two working?

0

8 месяцев назад

Prince Of Persia [field = CE,DM = BLOCK]

A better implementation of the functions is inline bool is_power_two(int n){ return !(n & (n - 1)); }

0

8 месяцев назад

Thomas · Accepted Answer

Thomas

Go reverse, then you can get rid of i

0

8 месяцев назад

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