이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define pop pop_back
#define fbo find_by_order
#define ook order_of_key
typedef long long ll;
typedef pair<ll,ll> pi;
typedef vector<ll> vi;
typedef long double ld;
typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> pbds;
typedef set<ll>::iterator sit;
typedef map<ll,ll>::iterator mit;
typedef pair<int,pair<int,int> > tri;
set<ll> ans;
ll n;
vector<ll> fac;
vector<ll> factor_tem, factor;
ll sum = 0;
void factorize(ll n, ll now, ll smallfac){
if(now == n) ans.insert(sum-fac.size());
for(int i = smallfac; factor[i]*now <= n ; i++){
if((n/now) % factor[i] == 0){
fac.pb(factor[i]);
sum+=(factor[i]);
factorize(n, now*factor[i], i);
sum-=(factor[i]);
fac.pop();
}
}
}
int main()
{
scanf("%lld",&n);
for(int i = 1; i * i <= n; i++){
if(n%i==0) {
factor.pb(i);
if(i*i!=n)factor_tem.pb(n/i);
}
}
reverse(factor_tem.begin(),factor_tem.end());
factor_tem.pb((ll)1e10);
factor.resize(factor_tem.size()+factor.size());
copy_backward(factor_tem.begin(),factor_tem.end(),factor.end());
factorize(n, 1, 1);
printf("%d\n",ans.size());
for(set<ll>::iterator it = ans.begin(); it!=ans.end(); it++){
printf("%lld ",*it);
}
return 0;
}
컴파일 시 표준 에러 (stderr) 메시지
toy.cpp: In function 'int main()':
toy.cpp:64:29: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::set<long long int>::size_type {aka long unsigned int}' [-Wformat=]
printf("%d\n",ans.size());
~~~~~~~~~~^
toy.cpp:47:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld",&n);
~~~~~^~~~~~~~~~~
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |