2525 - Dangerous Dive

dangerousdive.c

#include <stdio.h>
#define m 1001
short c[m];
int main(){
	int N, R, n, t;
	while(scanf("%d%d",&N,&R) != EOF){
		R++;
		t = 0;
		while(--R){
			scanf("%d", &n);
			c[n] = 1;
		}
		for(R = 1; R < N+1; R++){
			if(c[R] == 0){
				printf("%d ", R);
				t++;
			}
			c[R] = 0;
		}
		if(t == 0)
			printf("*");
		printf("\n");
	}
	return 0;
}