题解

#include<bits/stdc++.h>
using namespace std;
int m,k,s,y;
int main(){
cin>>m;
while(s + k <= m){
s+=k;
k++;
}
k--;
for(int i=k;i>=2;i--){
s=(1+i)*i/2;
y=m-s;
if(y%i==0) cout<<1+y/i<<" "<<i+y/i<<"\n";
}
return 0;
}