Another attempt at doing the problem.
Alright, at least now I'm close...
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8ab89b4660
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@ -80,7 +80,7 @@ struct insertion {
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bool operator<(insertion &i) {
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if (ind == i.ind) {
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return pos < i.pos;
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return ind == 0 ? pos < i.pos : pos > i.pos;
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}
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return ind < i.ind;
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}
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@ -91,11 +91,46 @@ struct query {
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int pos;
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ll val;
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query(int type, int pos, int val): type(type),
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query() : type(0), pos(0), val(0) {}
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query(int type, int pos, ll val): type(type),
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pos(pos),
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val(val) {}
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};
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vl segtree;
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vl bit;
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ll search(int n, int l, int r, int lim, int v)
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{
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if (segtree[n] <= v || l >= lim) {
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return 0;
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}
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if (l == r) {
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return l;
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}
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int mid = (l + r) / 2;
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ll ans = segtree[n * 2 + 1] > v ? search(n * 2 + 1, mid + 1, r, lim, v) : 0;
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return ans ?: search(n * 2, l, mid, lim, v);
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}
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void add(int i)
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{
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for (; i < bit.size(); i += (i & -i)) {
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bit[i]++;
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}
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}
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ll get(int i)
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{
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ll ans = 0;
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for (; i >= 1; i -= (i & -i)) {
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ans += bit[i];
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}
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return ans;
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}
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int main()
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{
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ios::sync_with_stdio(false);
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@ -113,14 +148,79 @@ int main()
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V<insertion> inserts;
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rep(i, q) {
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ll t, p, v;
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cin >> t >> p >> v;
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queries.emplace_back(t, p, v);
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if (t == 0) {
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inserts.emplace_back(i, p, v);
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int type, pos;
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ll value;
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cin >> type >> pos >> value;
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queries[i] = query(type, pos, value);
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if (type == 0) {
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inserts.emplace_back(i, pos, value);
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}
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}
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reverse(queries.begin(), queries.end());
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sort(inserts.begin(), inserts.end());
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vl act(n + inserts.size());
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size_t now = 0;
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size_t q_itr = 0;
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size_t i_itr = 0;
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while (now < act.size() && q_itr < queue.size() && i_itr < inserts.size()) {
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if (q_itr + 1 < inserts[i_itr].ind) {
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act[now] = queue[q_itr];
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q_itr++;
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} else {
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act[now] = inserts[i_itr].val;
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i_itr++;
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}
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now++;
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}
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for (; q_itr < queue.size(); q_itr++, now++) {
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act[now] = queue[q_itr];
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}
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for (; i_itr < inserts.size(); i_itr++, now++) {
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act[now] = inserts[i_itr].val;
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}
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size_t bef = act.size();
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while (__builtin_popcount(act.size()) != 1) {
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act.push_back(-1);
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}
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size_t actn = act.size();
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segtree.resize(act.size() * 2);
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bit.resize(act.size() + 1);
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for (size_t i = actn; i < actn * 2; i++) {
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segtree[i] = act[i - actn];
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}
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for (size_t i = actn - 1; i > 0; i--) {
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segtree[i] = max(segtree[i * 2], segtree[i * 2 + 1]);
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}
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vl ans(queries.size() - inserts.size());
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auto itr = ans.rbegin();
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for (auto [type, pos, value] : queries) {
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if (type == 0) {
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int fix = get(pos + 1);
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// cout << "Remove fix: " << fix << '\n';
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segtree[pos + actn + fix] = -1;
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add(pos + fix + 1);
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for (size_t i = (pos + actn + fix) / 2; i >= 1; i /= 2) {
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segtree[i] = max(segtree[i * 2], segtree[i * 2 + 1]);
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}
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continue;
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}
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int fix = get(pos);
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// cout << "Query fix: " << fix << '\n';
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int ans = search(1, 1, bef, pos + fix, act[pos + fix - 1] + value);
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// cout << "Found: " << ans << " with: " << act[pos + fix - 1] << '\n';
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*itr = ans ? ans - get(ans) : 0;
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itr++;
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}
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for (auto i : ans) {
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cout << i << '\n';
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}
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}
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