#include <stdio.h>
//課題3
int rec(int n){
//rec内を完成させてください
if(n == 0) return 3;
if(n == 1) return 0;
if(n == 2) return 2;
return rec(n - 2) + rec(n - 3);
}
int main(void) {
int n = 50;
for(int i = 1; i <= n; i++){
if(rec(i)%i==0){
}
}
return 0;
}
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