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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 |
---|---|---|---|---|---|---|---|---|---|
#583008 | #7108. Couleur | xuanbac05 | AC ✓ | 2554ms | 106080kb | C++17 | 5.5kb | 2024-09-22 17:58:04 | 2024-09-22 17:58:04 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define endl '\n'
#define MASK(i) (1LL << (i))
#define ull unsigned long long
#define ld long double
#define pb push_back
#define all(x) (x).begin() , (x).end()
#define BIT(x , i) ((x >> (i)) & 1)
#define TASK "task"
#define sz(s) (int) (s).size()
using namespace std;
const int mxN = 5e5 + 227;
const int mxM = 3e6 + 7;
const int inf = 1e9 + 277;
const int mod = 1e9 + 7;
const ll infll = 1e18 + 7;
const int base = 307;
const int LOG = 20;
template <typename T1, typename T2> bool minimize(T1 &a, T2 b) {
if (a > b) {a = b; return true;} return false;
}
template <typename T1, typename T2> bool maximize(T1 &a, T2 b) {
if (a < b) {a = b; return true;} return false;
}
struct Node{
int left, right;
ll sum;
Node() {
left = right = -1;
sum = 0;
}
};
Node t[mxM * 2];
struct Segtree{
int n;
int timer = 0;
vector<int> root;
Segtree(){}
Segtree(int _n) {
n = _n;
timer = 0;
}
void buildTree() {
++timer;
root.push_back(timer);
}
void update(int cur, int tl, int tr, int pos, int val) {
if(tl == tr) {
t[cur].sum += val;
}
else {
int tm = (tl + tr) / 2;
if(pos <= tm) {
if(t[cur].left == -1) t[cur].left = ++timer;
update(t[cur].left, tl, tm, pos, val);
}
else {
if(t[cur].right == -1) t[cur].right = ++timer;
update(t[cur].right, tm + 1, tr, pos, val);
}
t[cur].sum = 0;
if(t[cur].left != -1) t[cur].sum += t[t[cur].left].sum;
if(t[cur].right != -1) t[cur].sum += t[t[cur].right].sum;
}
}
ll getsum(int cur, int tl, int tr, int l, int r) {
if(cur == -1) return 0;
if(l > r) return 0;
if(tl == l && tr == r) return t[cur].sum;
int tm = (tl + tr) / 2;
ll m1 = getsum(t[cur].left, tl, tm, l, min(r, tm));
ll m2 = getsum(t[cur].right, tm + 1, tr, max(l, tm + 1), r);
return m1 + m2;
}
void update(int id, int pos, int val) {
update(root[id], 1, n, pos, val);
}
ll getsum(int id, int l, int r) {
return getsum(root[id], 1, n, l, r);
}
void clear() {
for(int i = 0; i <= timer; i++) {
t[i].sum = 0;
t[i].left = t[i].right = -1;
}
}
} segtree;
int n;
int a[mxN];
ll p[mxN];
int idx[mxN];
ll sum[mxM];
int timer = 0;
void solve()
{
cin >> n;
for (int i = 1; i <= n; i++) cin >> a[i];
for (int i = 1; i <= n; i++) cin >> p[i];
segtree = Segtree(n);
segtree.buildTree();
timer = 0;
multiset<ll> ms;
multiset<pair<int, int>> segment;
for (int i = 1; i <= n; i++) idx[i] = 0;
for (int i = 1; i <= n; i++) {
sum[0] += segtree.getsum(0, a[i] + 1, n);
segtree.update(0, a[i], 1);
}
ms.insert(sum[0]);
segment.insert(make_pair(1, n));
for(int i = 1; i <= n; i++) {
ll z = *--ms.end();
cout << z;
if(i < n) cout << ' ';
z ^= p[i];
// cerr << "Z :" << z << endl;
auto it = segment.upper_bound(make_pair(z, inf));
// assert(it != segment.begin());
--it;
int left = (*it).fi;
int right = (*it).se;
int middle = z;
int l1 = left, r1 = middle - 1, l2 = middle + 1, r2 = right;
// cerr << l1 << ' ' << r1 << ' ' << l2 << ' ' << r2 << endl;
int cur = idx[middle];
++timer;
segtree.buildTree();
int next = timer;
ms.erase(ms.find(sum[cur]));
segment.erase(it);
// cerr << sum[cur] << endl;
if(r1 - l1 + 1 <= r2 - l2 + 1) {
for(int i = l1; i <= r1 + 1; i++) {
segtree.update(cur, a[i], -1);
sum[cur] -= segtree.getsum(cur, 1, a[i] - 1);
if(i <= r1) {
idx[i] = next;
sum[next] += segtree.getsum(next, a[i] + 1, n);
segtree.update(next, a[i], 1);
}
}
if(l2 <= r2) ms.insert(sum[cur]);
if(l1 <= r1) ms.insert(sum[next]);
if(l1 <= r1) segment.insert(make_pair(l1, r1));
if(l2 <= r2) segment.insert(make_pair(l2, r2));
}
else {
for(int i = r2; i >= l2 - 1; i--) {
segtree.update(cur, a[i], -1);
sum[cur] -= segtree.getsum(cur, a[i] + 1, n);
if(i >= l2) {
idx[i] = next;
sum[next] += segtree.getsum(next, 1, a[i] - 1);
segtree.update(next, a[i], 1);
}
}
// cerr << sum[cur] << ' ' << sum[next] << endl;
if(l1 <= r1) ms.insert(sum[cur]);
if(l2 <= r2) ms.insert(sum[next]);
if(l1 <= r1) segment.insert(make_pair(l1, r1));
if(l2 <= r2) segment.insert(make_pair(l2, r2));
}
}
cout << endl;
for(int i = 0; i <= timer; i++) sum[i] = 0;
segtree.clear();
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
// freopen(TASK".inp" , "r" , stdin);
// freopen(TASK".out" , "w" , stdout);
int tc = 1;
cin >> tc;
while(tc--) {
solve();
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 12ms
memory: 99508kb
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: 2554ms
memory: 106080kb
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