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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#161108 | #7108. Couleur | ucup-team004# | AC ✓ | 1499ms | 162712kb | C++20 | 3.6kb | 2023-09-02 22:30:09 | 2023-09-02 22:30:09 |
Judging History
answer
#include <bits/stdc++.h>
using i64 = long long;
constexpr int N = 4E6;
struct Node {
int l = 0;
int r = 0;
int cnt = 0;
i64 sum = 0;
int max = -1E9;
int min = 1E9;
int tag = 0;
};
int tot = 0;
std::vector<Node> t(N);
void pull(int p) {
t[p].cnt = t[t[p].l].cnt + t[t[p].r].cnt;
t[p].sum = t[t[p].l].sum + t[t[p].r].sum;
t[p].max = std::max(t[t[p].l].max, t[t[p].r].max);
t[p].min = std::min(t[t[p].l].min, t[t[p].r].min);
}
void add(int p, int v) {
if (!p) {
return;
}
t[p].sum += 1LL * t[p].cnt * v;
t[p].tag += v;
}
void push(int p) {
if (t[p].tag) {
add(t[p].l, t[p].tag);
add(t[p].r, t[p].tag);
}
t[p].tag = 0;
}
void add(int &p, int l, int r, int x, int y, int i) {
if (!p) {
p = ++tot;
t[p] = {};
}
if (r - l == 1) {
t[p].cnt += 1;
t[p].sum += y;
t[p].min = t[p].max = i;
return;
}
int m = (l + r) / 2;
push(p);
if (x < m) {
add(t[p].l, l, m, x, y, i);
} else {
add(t[p].r, m, r, x, y, i);
}
pull(p);
}
int query(int p, int l, int r, int x, int y) {
if (!p || l >= y || r <= x) {
return 0;
}
if (l >= x && r <= y) {
return t[p].cnt;
}
int m = (l + r) / 2;
push(p);
return query(t[p].l, l, m, x, y) + query(t[p].r, m, r, x, y);
}
std::pair<int, int> split(int p, int v) {
if (t[p].min >= v) {
return {0, p};
}
if (t[p].max < v) {
return {p, 0};
}
push(p);
int q = ++tot;
t[q] = {};
auto [a, b] = split(t[p].l, v);
auto [c, d] = split(t[p].r, v);
t[p].l = a;
t[p].r = c;
t[q].l = b;
t[q].r = d;
add(b, -t[c].cnt);
pull(p);
pull(q);
return {p, q};
}
void solve() {
int n;
std::cin >> n;
tot = 0;
std::vector<int> a(n);
for (int i = 0; i < n; i++) {
std::cin >> a[i];
a[i]--;
}
std::vector<int> o(n);
std::iota(o.begin(), o.end(), 0);
std::sort(o.begin(), o.end(),
[&](int i, int j) {
return a[i] < a[j] || (a[i] == a[j] && i < j);
});
for (int i = 0; i < n; i++) {
a[o[i]] = i;
}
int rt = 0;
for (int i = 0; i < n; i++) {
int v = query(rt, 0, n, a[i] + 1, n);
add(rt, 0, n, a[i], v, i);
}
std::map<int, int> seg;
seg[0] = rt;
seg[n] = -1;
std::multiset<i64> s{t[rt].sum};
i64 ans;
for (int i = 0; i < n; i++) {
ans = *s.rbegin();
std::cout << ans << " \n"[i == n - 1];
i64 p;
std::cin >> p;
p ^= ans;
p--;
if (p < 0 || p >= n) {
continue;
}
auto it = std::prev(seg.upper_bound(p));
int l = it->first, r = l + t[it->second].cnt;
int nd = it->second;
seg.erase(it);
// std::cerr << "(" << l << ", " << r << ")\n";
s.extract(t[nd].sum);
auto [L, MR] = split(nd, p);
auto [M, R] = split(MR, p + 1);
// std::cerr << p << " " << t[L].sum << " " << t[R].sum << "\n";
if (L) {
s.insert(t[L].sum);
seg[l] = L;
}
if (R) {
s.insert(t[R].sum);
seg[p + 1] = R;
}
}
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int t;
std::cin >> t;
while (t--) {
solve();
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
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Test #1:
score: 100
Accepted
time: 8ms
memory: 159372kb
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: 1499ms
memory: 162712kb
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