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- #include <stdio.h>
- #include <stdlib.h>
- static void prime_factor(int n);
- static void make_into_ones(int x);
- int main(void) {
- int n; scanf("%d", &n);
- prime_factor(n);
- printf("\n");
- return 0;
- }
- static void prime_factor(int n) {
- if (n < 0) n *= -1;
- int x = 2;
- while (n > 1) {
- if (n % x == 0) {
- n /= x;
- make_into_ones(x);
- if (n != 1) printf("*");
- x = 2;
- } else {
- x++;
- }
- }
- }
- static void make_into_ones(int x) {
- if (x < 1) return;
- printf("(");
- for (int i = 1; i < x; i++) {
- printf("1+");
- }
- printf("1)");
- }
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