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121
S2OJ/661/661.cpp
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121
S2OJ/661/661.cpp
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#include <iostream>
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#include <algorithm>
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using std::cin;
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using std::cout;
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const char endl = '\n';
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const int N = 1e5 + 5,
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K = 2e5 + 5;
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int n, k, ans[K];
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int c[K];
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struct node {
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int a, b, c, cnt, res;
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node()
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: a(0),
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b(0),
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c(0),
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cnt(0),
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res(0) {}
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node(int _a, int _b, int _c)
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: a(_a),
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b(_b),
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c(_c),
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cnt(1),
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res(0) {}
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bool operator<(const node& x) const {
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return a == x.a ? b == x.b ? c < x.c : b < x.b : a < x.a;
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}
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bool operator==(const node& x) const {
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return a == x.a && b == x.b && c == x.c;
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}
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} q[N], w[N];
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inline int lowbit(int x) {
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return x & -x;
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}
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void add(int x, int y) {
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for (; x <= 2e5; x += lowbit(x)) c[x] += y;
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}
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int sum(int x) {
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int res = 0;
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for (; x; x -= lowbit(x)) res += c[x];
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return res;
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}
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void merge_sort(int l, int r) {
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if (l >= r) return;
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int mid = l + r >> 1;
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merge_sort(l, mid);
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merge_sort(mid + 1, r);
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int i = l, j = mid + 1, k = 0;
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while (i <= mid && j <= r) {
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if (q[i].b <= q[j].b) {
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add(q[i].c, q[i].cnt);
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w[++k] = q[i++];
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} else {
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q[j].res += sum(q[j].c);
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w[++k] = q[j++];
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}
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}
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while (i <= mid) {
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add(q[i].c, q[i].cnt);
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w[++k] = q[i++];
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}
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while (j <= r) {
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q[j].res += sum(q[j].c);
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w[++k] = q[j++];
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}
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for (int i = l; i <= mid; i++) add(q[i].c, -q[i].cnt);
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for (int i = l, j = 1; j <= k; i++, j++) q[i] = w[j];
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}
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int main() {
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std::ios::sync_with_stdio(false);
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cin >> n >> k;
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for (int i = 1, a, b, c; i <= n; i++) {
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cin >> a >> b >> c;
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q[i] = node(a, b, c);
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}
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std::sort(q + 1, q + 1 + n);
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int k = 1;
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for (int i = 2; i <= n; i++) {
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if (q[i] == q[k]) {
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q[k].cnt++;
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} else {
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q[++k] = q[i];
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}
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}
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merge_sort(1, k);
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for (int i = 1; i <= k; i++) {
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ans[q[i].res + q[i].cnt - 1] += q[i].cnt;
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}
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for (int i = 0; i < n; i++) {
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cout << ans[i] << endl;
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}
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return 0;
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}
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