1_C语言期中.zip

#include<stdio.h> // check if there is 2 same numbers // 1 for true, 0 for false int check(int number) { // to count numbers int num_counter[10] = {0}; // init int i; for (i = 0; i < 10; i++) { num_counter[i] = 0; } // counting while (number != 0) { num_counter[number % 10] ++; number = number / 10; } // check out for (i = 0; i < 10; i++) { if (num_counter[i] == 2) { return 1; } } // false return 0; } int main() { // input N (int / long) int N; scanf("%d", &N); // check N (N > 100) if (N < 100) { printf("false"); return 0; } // finding int i; for (i = 0; i * i <= N; i++) { if (check(i * i) == 1) { printf("%d ", i * i); } } return 0; }