05/06/07 12:13:50
>>245
struct tarai に tp 入れる必要なくない?
typedef struct { int x, y, z; } tarai_t;
int tarai(int, int, int);
int tarai_1(int x, int y, tarai_t *tp) {
if (x <= y) return y;
int z = tarai(tp->x, tp->y, tp->z);
return tarai_1(tarai(x - 1, y, z), tarai(y - 1, z, x),
&(tarai_t){ z - 1, x, y });
}
int tarai(int x, int y, int z) {
if (x <= y) return y;
return tarai_1(tarai(x - 1, y, z), tarai(y - 1, z, x),
&(tarai_t){ z - 1, x, y });
}