需要有逻辑 要不然走不出来 一见到不确定能拆成几项的就用while循环
#include <iostream>
#include <stdio.h>
#include <cstring>
#include <queue>
#include <math.h>
#include <vector>
#include <algorithm>
using namespace std;
//int a[5];
//int v[52];
//int m;
//int s=0;
bool check(int n)
{
//int flag = 1;
for(int i=2;i<=sqrt(n);i++){
if(n%i == 0){
//flag = 0;
return 0;
}
}
return 1;
}
int main()
{
int a,b;
scanf("%d%d",&a,&b);
//cout << t << endl;
for(int i=a;i<=b;i++){
if(check(i)){
cout << i<<"="<< i << endl;
continue;
}
else{
int t= i;
cout << i<<"=";
for(int j = 2;j<=i;j++){
if(t%j==0){
while(t%j ==0){
cout << j;
t = t/j;
if(t == 1){
cout << endl;
break;
}
else{
cout <<"*";
}
}
}
if(t == 1){
break;
}
}
}
}
//cout << "<" << h <<">"<<":"<<"<" << m <<">"<<":"<<"<" << t <<">"<<endl;
//cout << s <<endl;
return 0;
}