'commit'

TangDou/LuoGuBook/L21_11_2.cpp

@@ -0,0 +1,27 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+//分解质因数
+const int N = 110;
+int a[N];
+
+int divide(int x) {
+    int cnt = 0;
+    for (int i = 2; i <= x / i; i++)
+        while (x % i == 0) {
+            a[++cnt] = i;
+            x /= i;
+        }
+    if (x > 1)a[++cnt] = x;
+    return cnt;
+}
+
+int main() {
+    int cnt = divide(8);
+    for (int i = 1; i <= cnt; i++) {
+        if (i > 1) printf("*");
+        cout << a[i];
+    }
+    return 0;
+}