View Code of Problem 23

#include <stdio.h>
main(){
	int m,i;
	__int64 a[90];
	a[0] = 1;a[1] =2;
	for(i = 2;i<90;i++)
		a[i] = a[i-1]+a[i-2];
	while(scanf("%d",&m)!=EOF){
		if(m == 0)
			break;
		printf("%lld\n",a[m-1]);
	}
	return 0;
}
/*
Main.c:2:1: warning: return type defaults to 'int'
 main(){
 ^
Main.c: In function 'main':
Main.c:4:2: error: unknown type name '__int64'
  __int64 a[90];
  ^
Main.c:11:3: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'int' [-Wformat=]
   printf("%lld\n",a[m-1]);
   ^
*/