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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#547457 | #858. GCD vs. XOR | Rafat_Kabir | WA | 233ms | 57116kb | C++20 | 4.4kb | 2024-09-04 21:53:52 | 2024-09-04 21:53:52 |
Judging History
answer
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#include <time.h>
#include <cstdlib>
#include <ctime>
#include <cstdio>
#include <cstring>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <iostream>
using namespace __gnu_pbds;
using namespace std;
template <class T>
using Tree =
tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
// to erase in multiset-> less_equal<T> and
// s.erase(s.find_by_order(s.order_of_key(x)))
// lower_bound(x)=>(cannot use the stl lower_bound function)
// ll idx = s.order_of_key(x)
// if(idx == s.size()) -> no lower_bound
// else lb = *s.find_by_order(idx) // as 0-indexing
// idx-1 will give highest value which is strictly less than x
// for upper_bound->do the same with (x+1)
typedef long long ll;
typedef long double ld;
typedef pair<int,int> p32;
typedef pair<ll,ll> p64;
typedef tuple<ll, ll, ll> t64;
typedef vector<t64> vt64;
typedef vector<vt64> vvt64;
typedef pair<double,double> pdd;
typedef vector<ll> v64;
typedef vector<int> v32;
typedef vector<vector<int> > vv32;
typedef vector<vector<ll> > vv64;
typedef vector<vector<p64> > vvp64;
typedef vector<p64> vp64;
typedef vector<p32> vp32;
typedef vector<vector<p32> > vvp32;
typedef vector<bool> vb;
ll mod = 1e9+7, MOD = 998244353;
double eps = 1e-12;
// #define forn(i,e) for(ll i = 0; i < e; i++)
#define FOR(s, e, i) for(int i = s; i <= e; i++)
// #define rforn(i,s) for(ll i = s; i >= 0; i--)
#define ROF(s ,e, i) for(int i = s; i >= e; i--)
#define coutAll(A) for(auto asdafas : A) cout << asdafas << " "; cout << "\n";
#define foutAll(A) for(auto asdafas : A) fout << asdafas << " "; cout << "\n";
#define cinAll(A) for(auto &asdafas : A) cin >> asdafas;
#define finAll(A) for(auto &asdafas : A) fin >> asdafas;
#define minpq priority_queue<ll, v64, greater<ll>>
#define maxpq priority_queue<ll>
#define ln "\n"
#define dbg(x) cout<<#x<<" = "<<x<<ln
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define fi first
#define se second
ll inf = LLONG_MAX;
#define fast_cin() ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define sz(x) ((ll)(x).size())
#define yes cout<<"YES\n"
#define no cout<<"NO\n"
using namespace std;
typedef long long ll;
typedef vector<ll> vll;
typedef vector<vector<ll>> vvll;
typedef pair<ll, ll> pll;
typedef pair<ll, ll> pii;
#define MAXN 1000001
void solve(int it)
{
// freopen("test.txt", "w", stdout);
// vector<set<int>> A(MAXN);
// vv32 A(MAXN);
vv32 same(MAXN);
FOR(1, MAXN-1, i){
int x = i;
while(x <= MAXN-1){
// A[i].pb(x);
int nxt = x ^ i;
if(nxt > x && __gcd(x, nxt) == i){
same[x].pb(nxt);
}
x += i;
}
}
coutAll(same[100]);
// cout << "done\n";
// ll sum = 0;
// FOR(1, MAXN-1, i){
// // cout << i << "->";
// // coutAll(A[i]);
// sum += A[i].size();
// }
// cout << sum;
// FOR(1, MAXN-1, i){
// for(auto x : A[i]){
// if((x < (x^i)) && __gcd(x, (x^i)) == i){
// same[x].pb(x^i);
// }
// }
// // cout << i << "\n";
// }
// cout << "done\n";
// coutAll(same[100]);
// FOR(1, MAXN-1, i){
// sort(all(same[i]));
// same[i].erase(unique(all(same[i])), same[i].end());
// }
// coutAll(same[100]);
// coutAll(same[100]);
// ll sum =0;
// FOR(1, MAXN-1, i) sum = max(sum, (ll)same[i].size());
// cout << sum;
int t;
cin >> t;
v64 cnt(MAXN);
while(t--){
int n; cin >> n;
v32 arr(n);
FOR(0, n -1 , i){
int x; cin >> x;
arr[i] = x;
cnt[x]++;
}
ll ans = 0;
FOR(1, MAXN-1, i){
for(auto x : same[i]){
ans += 1LL*cnt[x]*cnt[i];
}
}
cout << ans << "\n";
for(auto x : arr) cnt[x]--;
}
}
int main()
{
fast_cin();
ll t = 1;
// cin >> t;
for(int it=1; it<=t; it++)
{
//cout << "Case " << it << ": ";
solve(it);
}
return 0;
}
详细
Test #1:
score: 0
Wrong Answer
time: 233ms
memory: 57116kb
input:
1 4 2 3 4 3
output:
101 102 110 125 2
result:
wrong answer 1st numbers differ - expected: '2', found: '101'