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- #include <stdio.h>
- int s_rec(int n);
- int pow_rec(int k, int n);
- int fact_rec(int n);
- int move_chars(int k, int d);
- int move_chars_i(int k, int d);
- int main(void) {
- // int n;
- // scanf("%d", &n);
- printf("move_chars: %c", move_chars_i('A', 5));
- return 0;
- }
- int s_rec(int n) {
- if (n == 1)
- return 1;
- return n + s_rec(n - 1);
- }
- int pow_rec(int k, int n) {
- if (n == 0)
- return 1;
- return k * pow_rec(k, n - 1);
- }
- int fact_rec(int n) {
- if (n == 0)
- return 1;
- return n * fact_rec(n - 1);
- }
- int move_chars_i(int k, int d) {
- while(d > 0) {
- k ++;
- d --;
- }
- return k;
- }
- int move_chars(int k, int d) {
- printf("move_chars (%d, %d) -> ", k, d);
- if (d == 0)
- return k;
- return move_chars(k + 1, d - 1);
- }
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