Submission #66833475

Source Code Expand

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#include <stdio.h>
int main(void) {
  int N, i;
  char exists[101] = {0};
  int cnt = 0, first = 1;
  if (scanf("%d", &N) != 1) return 1;
  for (i = 0; i < N; i++) {
    int A;
    if (scanf("%d", &A) != 1) return 1;
    if (1 <= A && A <= 100) exists[A] = 1;
  }
  for (i = 1; i <= 100; i++) {
    if (exists[i]) cnt++;
  }
  printf("%d\n", cnt);
  for (i = 1; i <= 100; i++) {
    if (exists[i]) {
      printf(" %d" + first, i);
      first = 0;
    }
 
 
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#include <stdio.h>

int main(void) {
	int N, i;
	char exists[101] = {0};
	int cnt = 0, first = 1;
	if (scanf("%d", &N) != 1) return 1;
	for (i = 0; i < N; i++) {
		int A;
		if (scanf("%d", &A) != 1) return 1;
		if (1 <= A && A <= 100) exists[A] = 1;
	}
	for (i = 1; i <= 100; i++) {
		if (exists[i]) cnt++;
	}
	printf("%d\n", cnt);
	for (i = 1; i <= 100; i++) {
		if (exists[i]) {
			printf(" %d" + first, i);
			first = 0;
		}
	}
	putchar('\n');
	return 0;
}

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