classSolution {public:boolisPowerOfFour(intnum) {returnnum >0&& !(num & (num -1)) && (num -1) %3==0; } }; 类似题目: Power of Three Power of Two 参考资料: https://leetcode.com/problems/power-of-four/ https://leetcode.com/problems/power-of-four/discuss/80457/Java-1-line-(c...
public class Solution2 { public boolean isPowerOfFour(int num) { return num > 0 && (num & (num - 1)) == 0 && (num - 1) % 3 == 0; } } 1. 2. 3. 4. 5. 6. 本篇文章的地址为https://liweiwei1419.github.io/leetcode-solution/leetcode-0342-power-of-four,如果我的题解有错...
classSolution {public:boolisPowerOfThree(intn) {return(n >0&∫(log10(n) / log10(3)) - log10(n) / log10(3) ==0); } }; 类似题目: Power of Two Power of Four 参考资料: https://leetcode.com/problems/power-of-three https://leetcode.com/problems/power-of-three/discuss/77856/1...
https://leetcode.com/problems/power-of-four/Given an integer (signed 32 bits), writ Power 整除 数位 原创 mb63982c735c3d9 2022-12-13 15:48:54 55阅读 PowerStrings #include #include char a[1000010]; int p[1000010]; int l; void getp() { int i=0,j=-1; p[i]=j; while(iTime...
Number of 1 Bits Power of Four Power of Three 参考资料: https://leetcode.com/problems/power-of-two/discuss/63974/Using-nand(n-1)-trick https://leetcode.com/problems/power-of-two/discuss/63972/One-line-java-solution-using-bitCount
Powerof Four https://leetcode.com/problems/power-of-four/Given an integer (signed 32 bits), writ Power 整除 数位 原创 mb63982c735c3d9 2022-12-13 15:48:54 57阅读 PowerStrings #include #include char a[1000010]; int p[1000010]; int l; void getp() { int i=0,j=-1; p[i]=j...
[leetcode]326. Power of Three problem 326. Power of Three solution: Iteration class Solution { public: bool isPowerOfThree(int n) { if(n<1) return false;//err. while(n%3==0) { n /= 3; } return n==1;//err....
Powerof Four https://leetcode.com/problems/power-of-four/Given an integer (signed 32 bits), writ Power 整除 数位 原创 mb63982c735c3d9 2022-12-13 15:48:54 57阅读 PowerStrings #include #include char a[1000010]; int p[1000010]; int l; void getp() { int i=0,j=-1; p[i]=j...
https://leetcode.com/problems/power-of-four/Given an integer (signed 32 bits), writ Power 整除 数位 原创 mb63982c735c3d9 2022-12-13 15:48:54 55阅读 PowerStrings #include #include char a[1000010]; int p[1000010]; int l; void getp() { int i=0,j=-1; p[i]=j; while(iTime...
https://leetcode.com/problems/power-of-four/Given an integer (signed 32 bits), writ Power 整除 数位 原创 mb63982c735c3d9 2022-12-13 15:48:54 55阅读 PowerStrings #include #include char a[1000010]; int p[1000010]; int l; void getp() { int i=0,j=-1; p[i]=j; while(iTime...