Compile Error
In file included from /usr/include/c++/13/string:43, from /usr/include/c++/13/bitset:52, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52, from foo.cc:9: /usr/include/c++/13/bits/allocator.h: In destructor 'std::_Vector_base<int, std::allocator<int> >::_Vector_impl::~_Vector_impl()': /usr/include/c++/13/bits/allocator.h:184:7: error: inlining failed in call to 'always_inline' 'std::allocator< <template-parameter-1-1> >::~allocator() noexcept [with _Tp = int]': target specific option mismatch 184 | ~allocator() _GLIBCXX_NOTHROW { } | ^ In file included from /usr/include/c++/13/vector:66, from /usr/include/c++/13/functional:64, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:53: /usr/include/c++/13/bits/stl_vector.h:133:14: note: called from here 133 | struct _Vector_impl | ^~~~~~~~~~~~
Code
#pragma GCC target("avx2")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
// Based on:
// https://judge.yosupo.jp/submission/179750
// Enumerate Quotients
// https://judge.yosupo.jp/problem/enumerate_quotients
#include<bits/stdc++.h>
using namespace std;
// vector<long long> Enu_quo(long long n){
// vector<long long> head;
// vector<long long> tail;
// for(long long i=1;i*i<=n;i++){
// head.push_back(i);
// tail.push_back(n/i);
// }
// if(head.back()==tail.back()){tail.pop_back();}
// for(long long i=tail.size()-1;i>=0;i--){head.push_back(tail[i]);}
// return head;
// }
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin >> t;
while(t>0){
t--;
int n;
cin >> n;
vector<int> head;
vector<int> tail;
for(int i=1;i*i<=n;i++){
head.push_back(i);
tail.push_back(n/i);
}
if(head.back()==tail.back()){tail.pop_back();}
for(int i=tail.size()-1;i>=0;i--){head.push_back(tail[i]);}
long long res=0;
for(int i=0;i<((long long)head.size())-1;i++){
long long del=((n/head[i])-(n/head[i+1]));
del*=head[i];
res+=del;
}
cout << res << "\n";
}
return 0;
}
Information
- Submit By
- Type
- Submission
- Problem
- P1207 D2. GCD equal Absolute Value (Hard Version)
- Contest
- Educational Round 1
- Language
- C++17 (G++ 13.2.0)
- Submit At
- 2025-07-14 15:57:18
- Judged At
- 2025-07-14 15:57:18
- Judged By
- Score
- 0
- Total Time
- 0ms
- Peak Memory
- 0 Bytes