我的代碼,只有83分，耗時1489ms,內存1.9MB#include<bits/stdc++.h>
#pragma?GCC?target("avx")
#pragma?GCC?optimize(2)
#pragma?GCC?optimize(3)
#pragma?GCC?optimize("Ofast")
#define?jiasu?ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
using?namespace?std;
int?n,s;
int?main(){
s=0;c
in>>n;
if(n==1||n==0)?s=0;
else{for(int?i=1;i<=n/2;i++){ if(n%i==0)?s+=i;
??}
??}
??cout<<s<<endl;
??return?0;}
c++關于求一個數因子和問題（因子不包括這個數本身）?
DaphneOdera
2020-02-15 00:51:26