#include <algorithm> #include <vector> class Stack { public: int getHeight(vector<vector<int> > actors, int n) { // write code here sort(actors.begin(), actors.end()); int max_count = 0; vector<int> dp(n, 1); for (int i = 1; i < n; ++i) { for (int j = 0; j < i; j++) { if (actors[j][0] < actors[i][0] && actors[j][1] < actors[i][1]) { dp[i] = max(dp[i], dp[j] + 1); } } max_count = max(max_count, dp[i]); } return max_count; } };