mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
#include <iostream>
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#include <cstdio>
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#include <cstring>
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#include <cmath>
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#include <algorithm>
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#include <set>
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#include <map>
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#include <string>
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#include <vector>
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#include <queue>
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#include <stack>
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#define lowbit(x) (x & (-x))
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#define mp(a,b) make_pair (a , b)
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#pragma comment(linker, "/STACK:1024000000,1024000000")
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using namespace std;
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typedef long long LL;
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const int N = 100005;
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typedef pair<int , int> pii;
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struct Node {
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int x , y , z , id;
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void input () {
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scanf ("%d %d %d" , &x , &y, &z);
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}
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bool operator < (const Node &n) const {
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return x != n.x ? x < n.x : (y != n.y ? y < n.y : z < n.z);
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}
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}a[N] , b[N];
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int x[N] , m , n;
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pii dp[N] , bit[N];
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void update (pii &a , pii b) {
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if (b.first > a.first) a = b;
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else if (b.first == a.first) a.second += b.second;
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}
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void init () {
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for (int i = 1 ; i <= m ; i ++)
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bit[i] = mp(0 , 0);
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}
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void add (int idx , pii val) {
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for (int i = idx ; i <= m ; i += lowbit (i))
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update (bit[i] , val);
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}
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pii ask (int idx) {
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pii ans = mp (0 , 0);
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for (int i = idx ; i > 0 ; i -= lowbit (i))
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update (ans , bit[i]);
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return ans;
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}
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void clear (int idx) {
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for (int i = idx ; i <= m ; i += lowbit (i))
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bit[i] = mp (0 , 0);
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}
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void gao (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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gao (l , mid);
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int cnt = 0;
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for (int i = l ; i <= r ; i ++) {
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b[cnt ++] = a[i];
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b[cnt - 1].x = 0;
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}
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sort (b , b + cnt);
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for (int i = 0 ; i < cnt ; i ++) {
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if (b[i].id <= mid) {
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add (b[i].z , dp[b[i].id]);
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}
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else {
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pii t = ask (b[i].z);
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t.first ++;
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update (dp[b[i].id] , t);
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}
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}
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for (int i = 0 ; i < cnt ; i ++)
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if (b[i].id <= mid)
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clear (b[i].z);
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gao (mid + 1 , r);
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}
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int main () {
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int t ;
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scanf ("%d" , &t);
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while (t --) {
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scanf ("%d" , &n);
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for (int i = 0 ; i < n ; i ++) {
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a[i].input ();
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x[i] = a[i].z;
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dp[i] = mp (1 , 1);
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}
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sort (x , x + n);
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m = unique (x , x + n) - x;
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for (int i = 0 ; i < n ; i ++)
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a[i].z = lower_bound (x , x + m , a[i].z) - x + 1;
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sort (a , a + n);
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for (int i = 0 ; i < n ; i ++)
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a[i].id = i;
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init ();
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gao (0 , n - 1);
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pii ans = mp (0 , 0);
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for (int i = 0 ; i < n ; i ++) {
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update (ans , dp[i]);
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}
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printf ("%d %d\n" , ans.first , ans.second);
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}
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return 0;
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}
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