#29227: C++自己在終端機上測試是對的但是用測資測時卻是錯誤的，想請教各位高手，自己輸入20和17測都和解答一樣
evan881101
(Evan Chen)
#include <iostream>
using namespace std;
int main(){
int k;
int b;
int begin;
cin >> b;
int count_factor;
k = 2;
begin = 1;
if(b <= 100000000 && b >1 ){
while(k <= b){
while(b%k == 0){
count_factor++;
b = b/k;
}
if(begin == 1){
if(count_factor == 1){
cout << k;
count_factor = 0;
begin = 0;
}
if(count_factor > 1){
cout << k << "^" << count_factor;
count_factor = 0;
begin = 0;
}
}
else if(begin == 0){
if(count_factor == 1){
cout << " * " << k;
count_factor = 0;
}
if(count_factor > 1){
cout << " * " << k << " ^ " <<count_factor;
count_factor = 0;
}
}
k++;
}
cout << endl;
return 0;
}
else {
return 0;
}
}
#29228: Re:C++自己在終端機上測試是對的但是用測資測時卻是錯誤的，想請教各位高手，自己輸入20和17測都和解答一樣
cges30901
(cges30901)
int count_factor;
cout << " * " << k << " ^ " <<count_factor;
1. count_factor沒有初始化
2. ^前後沒有空格
#29241: Re:C++自己在終端機上測試是對的但是用測資測時卻是錯誤的，想請教各位高手，自己輸入20和17測都和解答一樣
evan881101
(Evan Chen)
int count_factor;
cout << " * " << k << " ^ " <<count_factor;
1. count_factor沒有初始化2. ^前後沒有空格
好的非常謝謝您！！！