#include #include int main() { char str[21]; int hash[26] = {0}; int i = 0, min = 21; scanf("%s", str); while (str[i] != '\0') { hash[str[i]-'a']++; i++; } for (int j = 0; j <…

#include int main() { int nums = 0, ret = 0; while (scanf("%d", &nums) != EOF) { if (nums == 0) { return 0; } else { while (nums >= 3) { ret+=(nums/3); nums = (nums / 3) + (nu…

#include int main() { char str[100]; scanf("%s", str); int i = 0; while (str[i] != '\0') { if (str[i] >= 'a' && str[i] = 'd' && str[i] = 'g' && str[i] = 'j' && str[i] = 'm' &&…

#include #include #include bool threeCharacters(char *str, int len) { int a = 0, b = 0, c = 0, d = 0; for (int i = 0; i < len; i++) { if (str[i] >= '0' && str[i] = 'a' && str[…