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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 |
---|---|---|---|---|---|---|---|---|---|
#183961 | #7108. Couleur | BUET_POISSON | AC ✓ | 2321ms | 23300kb | C++23 | 4.5kb | 2023-09-20 04:09:25 | 2023-09-20 04:09:25 |
Judging History
answer
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
using namespace __gnu_pbds;
using namespace std;
#define getbit(n, i) (((n) & (1LL << (i))) != 0)
#define setbit0(n, i) ((n) & (~(1LL << (i))))
#define setbit1(n, i) ((n) | (1LL << (i)))
#define togglebit(n, i) ((n) ^ (1LL << (i)))
#define lastone(n) ((n) & (-(n)))
char gap = 32;
#define int long long
#define ll long long
#define lll __int128_t
#define pb push_back
typedef tree<
pair<int, int>,
null_type,
less<pair<int, int>>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
ll hashPrime = 1610612741;
void solve() {
int n; cin >> n;
int a[n + 1];
for(int i = 1; i <= n; i++) cin >> a[i];
int contribution[n + 1];
memset(contribution, 0, sizeof(contribution));
vector<ordered_set> st(n + 1);
for(int i = n; i >= 1; i--) {
contribution[i] = st[1].order_of_key({a[i], -1});
st[1].insert({a[i], i});
}
multiset<int, greater<int>> maxi;
vector<int> ans(n + 1);
for(int i = 1; i <= n; i++) {
ans[1] += contribution[i];
}
maxi.insert(ans[1]);
vector<int> p(n + 1);
multiset<pair<int, int>> ms;
ms.insert({1, n});
for(int i = 1; i <= n; i++) {
cin >> p[i];
int maxans = 0;
if(!maxi.empty()) maxans = *maxi.begin();
int idx = (p[i] ^ maxans);
if(i > 1) cout << " ";
cout << maxans;
if(i == n) {
break;
}
auto it = ms.upper_bound({idx, INT_MAX});
it--;
int l = it->first;
int r = it->second;
ms.erase(it);
int segment_ans = ans[l];
maxi.erase(maxi.find(ans[l]));
if(l == r) {
ans[l] = 0;
st[l].clear();
continue;
}
if(idx - l < r - idx) {
st[l].swap(st[idx + 1]);
vector<pair<int, int>> temp;
for(int i = l; i < idx; i++) {
st[idx + 1].erase({a[i], i});
temp.push_back({a[i], i});
}
int reduced = 0;
for(int i = l; i <= idx; i++) {
reduced += st[idx + 1].order_of_key({a[i], -1});
}
st[idx + 1].erase({a[idx], idx});
segment_ans -= reduced;
for(int i = idx - 1; i >= l; i--) {
contribution[i] = st[l].order_of_key({a[i], -1});
st[l].insert({a[i], i});
}
int left_ans = 0;
for(int i = l; i < idx; i++) {
left_ans += contribution[i];
}
if(idx > l) {
ms.insert({l, idx - 1});
ans[l] = left_ans;
maxi.insert(ans[l]);
}
if(idx + 1 <= r) {
ms.insert({idx + 1, r});
ans[idx + 1] = segment_ans - left_ans;
maxi.insert(ans[idx + 1]);
}
}
else {
vector<pair<int, int>> temp;
for(int i = idx + 1; i <= r; i++) {
st[l].erase({a[i], i});
temp.push_back({a[i], i});
}
int reduced = 0;
for(int i = idx; i <= r; i++) {
reduced += ((int)st[l].size() - st[l].order_of_key({a[i], INT_MAX}));
}
st[l].erase({a[idx], idx});
segment_ans -= reduced;
for(int i = r; i > idx; i--) {
contribution[i] = st[idx + 1].order_of_key({a[i], -1});
st[idx + 1].insert({a[i], i});
}
int right_ans = 0;
for(int i = idx + 1; i <= r; i++) {
right_ans += contribution[i];
}
if(idx > l) {
ms.insert({l, idx - 1});
ans[l] = segment_ans - right_ans;
maxi.insert(ans[l]);
}
if(idx + 1 <= r) {
ms.insert({idx + 1, r});
ans[idx + 1] = right_ans;
maxi.insert(ans[idx + 1]);
}
}
}
cout << "\n";
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int t; cin >> t;
while(t--) {
solve();
}
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3580kb
input:
3 5 4 3 1 1 1 5 4 5 3 1 10 9 7 1 4 7 8 5 7 4 8 21 8 15 5 9 2 4 5 10 6 15 4 8 8 1 12 1 10 14 7 14 2 9 13 10 3 37 19 23 15 7 2 10 15 2 13 4 5 8 7 10
output:
7 0 0 0 0 20 11 7 2 0 0 0 0 0 0 42 31 21 14 14 4 1 1 1 0 0 0 0 0 0
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 2321ms
memory: 23300kb
input:
11116 10 10 5 10 3 6 4 8 5 9 8 31 27 24 11 12 3 0 2 3 1 10 8 2 7 2 8 10 1 10 9 10 6 5 2 13 2 1 0 1 3 1 10 7 10 7 6 1 3 10 6 7 9 21 18 10 1 6 5 4 8 9 10 10 2 10 4 8 8 5 7 2 6 7 20 10 9 1 15 0 4 2 9 7 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 10 1 2 3 4 5 6 7 8 9 10 6 3 5 2 7 10 9 1 4 8 10 1 10 1 3...
output:
21 18 16 12 10 6 4 1 1 0 12 12 10 10 4 4 4 2 1 0 20 16 9 5 3 3 3 0 0 0 22 14 8 8 5 5 2 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 19 12 7 4 4 2 2 1 0 0 20 18 8 3 1 1 0 0 0 0 45 21 21 10 3 3 3 0 0 0 17 11 8 2 1 1 1 0 0 0 13 4 1 0 0 0 0 0 0 0 29 27 22 15 9 7 4 3 1 0 26 16 9 2 1 1 1 1 1 0 0 0 0 0 0 ...
result:
ok 11116 lines
Extra Test:
score: 0
Extra Test Passed