QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#673833 | #7679. Master of Both IV | XiaoMo247 | WA | 116ms | 36740kb | C++20 | 1.6kb | 2024-10-25 10:49:30 | 2024-10-25 10:49:31 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll MAXN = 2e5 + 5;
ll Tex, n, a[MAXN], d[35], zero;
vector<ll> b[MAXN];
map<ll, ll> cnt;
void init(){
for(int i = 0; i <= 32; i ++){
d[i] = 0;
}
}
bool insert(ll x){
for(int i = 32; i >= 0; i --){
if(!((x >> i) & 1)) continue;
if(d[i]) x ^= d[i];
else{
d[i] = x;
break;
}
}
if(!x){
zero ++;
return 0;
}
return 1;
}
ll fastPow(ll a, ll b){
ll ret = 1;
while(b){
if(b & 1) ret *= a;
a *= a;
b >>= 1;
}
return ret;
}
ll calc(ll x){
init();
ll ret = 0;
for(auto it : b[x]){
if(cnt[it]){
if(insert(x)){
ret += cnt[it] - 1;
}
else{
ret += cnt[it];
}
}
}
return fastPow(2, ret);
}
void AC(){
cin >> n;
cnt.clear();
init();
zero = 0;
for(int i = 1; i <= n; i ++){
cin >> a[i];
insert(a[i]);
}
ll ans = 0;
ans += fastPow(2, zero) - 1;
sort(a + 1, a + n + 1);
for(int i = 1; i <= n; i ++){
ans += calc(a[i]);
cnt[a[i]] ++;
}
cout << ans << '\n';
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
for(int i = 1; i <= MAXN - 5; i ++){
for(int j = i + i; j <= MAXN - 5; j += i){
b[j].push_back(i);
}
}
cin >> Tex;
while(Tex --) AC();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 84ms
memory: 36692kb
input:
2 3 1 2 3 5 3 3 5 1 1
output:
4 11
result:
ok 2 number(s): "4 11"
Test #2:
score: -100
Wrong Answer
time: 116ms
memory: 36740kb
input:
40000 5 4 2 5 5 5 5 5 5 5 5 4 5 1 4 4 4 2 5 2 5 2 4 1 5 3 2 4 5 3 5 1 5 5 3 4 5 5 5 5 4 3 5 4 3 3 5 1 5 4 5 5 2 1 5 2 5 4 2 5 5 3 4 3 4 3 5 5 3 5 1 3 5 5 1 2 4 4 5 4 2 5 1 5 5 5 4 2 5 4 5 5 2 5 2 4 5 1 4 5 4 5 5 4 2 3 2 3 5 1 4 1 3 5 5 1 1 2 1 5 5 5 2 5 1 3 5 3 1 2 5 3 5 5 5 1 1 5 5 2 2 2 1 3 5 3 1 ...
output:
8 12 11 11 8 8 8 8 9 9 12 8 10 9 8 9 12 9 11 14 8 8 15 12 9 11 8 8 8 12 15 11 9 9 9 8 11 11 11 12 15 8 15 8 9 9 8 12 11 10 8 11 8 8 11 15 11 10 9 9 9 18 11 9 15 9 15 8 10 10 12 11 8 11 10 17 11 8 18 8 9 8 8 9 8 15 8 11 12 9 11 13 9 18 13 17 18 15 12 14 8 8 8 9 8 8 12 15 15 8 9 15 11 11 8 8 11 11 9 1...
result:
wrong answer 1st numbers differ - expected: '9', found: '8'