#include <stdio.h>
//練習問題D
int func(int n){
for(int i=0;i<n;i++){
return 3*func(n-1)+5;
}
}
int main(void) {
int n = 3, m;
m = func(n);
printf("数列anについて, n=%dのときの値は%d\n", n
, m
); return 0;
}
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