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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#718437 | #6434. Paimon Sorting | Unlimitedz | WA | 246ms | 7800kb | C++17 | 2.4kb | 2024-11-06 20:31:35 | 2024-11-06 20:31:35 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
typedef long long ll;
const int maxv = 4e6 + 5;
typedef pair<ll, ll> pll;
typedef array<ll, 3> ar;
const ll lnf = 2e18;
const int inf=2e9;
// #define endl "\n"
int mod = 1e9 + 7;
template <typename T>
struct Fenwick {
int n;
std::vector<T> a;
Fenwick(int n_ = 0) {
init(n_);
}
void init(int n_) {
n = n_;
a.assign(n, T{});
}
void add(int x, const T &v) {
for (int i = x + 1; i <= n; i += i & -i) {
a[i - 1] = a[i - 1] + v;
}
}
T sum(int x) {
T ans{};
x++;
for (int i = x; i > 0; i -= i & -i) {
ans = ans + a[i - 1];
}
return ans;
}
T rangeSum(int l, int r) {
return sum(r) - sum(l);
}
int select(const T &k) {
int x = 0;
T cur{};
for (int i = 1 << std::__lg(n); i; i /= 2) {
if (x + i <= n && cur + a[x + i - 1] <= k) {
x += i;
cur = cur + a[x - 1];
}
}
return x;
}
};
void solve()
{
int n;
cin>>n;
vector<int> a(n+1);
for(int i=1;i<=n;i++) cin>>a[i];
Fenwick<int> t(n+5);
set<int> s;
int ans=0;
vector<int> p(n+5);
for(int i=1;i<=n;i++){
if(i==1){
// cout<<0<<" ";
p[i]=0;
s.insert(a[i]);
t.add(a[i],1);
}
else if(i==2){
if(a[i]>a[i-1]) ans=2;
if(a[i]<a[i-1]) ans=1;
p[i]=ans;
if(s.find(a[i])!=s.end()) continue;
t.add(a[i],1),s.insert(a[i]);
}
else{
int res=(int)s.size()-t.sum(a[i]);
if(res==0) res=2;
ans+=res;
p[i]=ans;
if(s.find(a[i])!=s.end()) continue;
t.add(a[i],1),s.insert(a[i]);
// cout<<ans<<" ";
}
}
// cout<<endl;
// for(int i=3;i<=n;i++){
// if(p[2]==2) p[i]--;
// }
for(int i=1;i<=n;i++){
if(i==1) cout<<p[i];
else cout<<" "<<p[i];
}
cout<<endl;
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t = 1;
cin >> t;
while (t--)
{
solve();
}
// system("pause");
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3548kb
input:
3 5 2 3 2 1 5 3 1 2 3 1 1
output:
0 2 3 5 7 0 2 4 0
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 246ms
memory: 7800kb
input:
6107 19 10 13 8 8 11 18 12 9 15 19 6 13 11 11 17 9 14 2 18 12 1 8 10 2 10 2 6 1 5 9 5 7 16 14 4 2 15 12 14 10 3 2 9 15 4 12 9 5 15 10 3 2 5 6 7 8 6 1 6 4 18 6 5 12 12 11 2 10 10 5 10 13 15 13 10 17 7 11 2 1 1 2 1 1 3 2 1 2 17 11 15 3 10 7 15 15 10 5 17 3 3 14 13 11 11 2 3 2 2 3 7 6 1 7 5 3 5 1 7 2 1...
output:
0 2 4 6 7 9 11 16 17 19 28 31 36 41 43 51 55 67 68 0 2 4 6 8 10 12 16 19 20 24 27 0 1 3 5 7 8 11 16 22 26 28 33 35 39 44 46 0 1 3 5 7 9 11 17 19 23 0 1 3 5 6 10 12 14 18 20 22 24 25 29 31 37 41 50 0 0 0 0 1 3 0 2 4 6 9 11 13 15 19 21 27 33 35 38 42 46 55 0 0 2 0 1 3 5 8 10 14 0 1 3 4 6 9 11 0 1 3 5 ...
result:
wrong answer 2nd lines differ - expected: '0 2 4 6 6 8 10 14 17 18 22 25', found: '0 2 4 6 8 10 12 16 19 20 24 27'