Which Of The Following Correctly Implements Iterative Code For #1830

 #include <stdio.h> int power(int x,  int y) { int res = 1; while (y > 0) {  if (y & 1) res = res * x; y = y >> 1; x = x * x; } return res; } int main() { int x = 3; unsigned int y = 5; printf("%d", power(x, y)); return 0; }

 #include <stdio.h> int power(int x,  int y) { int res = 1; while (y > 0) {  if (y && 1) res = res * x; y = y >> 1; x = x * x; } return res; } int main() { int x = 3; unsigned int y = 5; printf("%d", power(x, y)); return 0; }

 #include <stdio.h> int power(int x,  int y) { int res = 1; while (y > 0) { if (y && 1) res = x * x; y = y >> 1; x = x * y; } return res; } int main() { int x = 3; unsigned int y = 5; printf("%d", power(x, y)); return 0; }

 #include <stdio.h> int power(int x,  int y) { int res = 1; while (y > 0) { if (y & 1) res = x * x; y = y >> 1; x = x * y; } return res; } int main() { int x = 3; unsigned int y = 5; printf("%d", power(x, y)); return 0; }