Submission #70812263

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#include <stdio.h>
#include <string.h>
int cnt = 0;
char res[112345][8];
char cur[8];
void meow(char* p) {
  int i;
  if (*p == '0') {
    for (i = '0'; i <= '9'; i++) {
      *p = i;
      meow(p + 1);
    }
  } else if (*p == '9') {
    for (i = '9'; i >= '0'; i--) {
      *p = i;
      meow(p + 1);
    }
  } else {
 
 
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#include <stdio.h>
#include <string.h>

int cnt = 0;
char res[112345][8];

char cur[8];

void meow(char* p) {
	int i;
	if (*p == '0') {
		for (i = '0'; i <= '9'; i++) {
			*p = i;
			meow(p + 1);
		}
	} else if (*p == '9') {
		for (i = '9'; i >= '0'; i--) {
			*p = i;
			meow(p + 1);
		}
	} else {
		strcpy(res[cnt++], cur);
	}
}

int main(void) {
	int n, i;
	if (scanf("%d", &n) != 1) return 1;
	for (i = 0; i < n; i++) cur[i] = '0';
	meow(cur);
	printf("%d\n", cnt - 1);
	for (i = 0; i < cnt; i++) puts(res[i]);
	return 0;
}

Submission Info

Judge Result