Update: Rename folder name to XSMOJ

XSMOJ/循环-分解质因式.cpp

@@ -0,0 +1,35 @@
+#include <iostream>
+#include <iomanip>
+#include <cmath>
+#include <cstdio>
+using namespace std;
+int main(){
+	int n,first=1,cnt=0;
+	cin >>n;
+	if(n==1){
+		cout <<"1=1";
+		return 0;
+	}
+	cout <<n<<"=";
+	for(int i=2;i<=n;i++){
+		while(n%i==0){
+			cnt++;
+			n/=i;
+		}
+		if(cnt>0){
+			if(first!=1){
+				cout <<"*";
+			}
+			else{
+				first=0;
+			}
+			cout <<i;
+			if(cnt>=2){
+				cout <<"^"<<cnt;
+			}
+			cnt=0;
+		}
+	}
+	return 0;
+}
+