Submission #865352

#	Time	Username	Problem	Language	Result	Execution time	Memory
865352		Trisanu_Das	Lightning Rod (NOI18_lightningrod)	C++17	0 / 100	2032 ms	28804 KiB

Main

#include <bits/stdc++.h>
using namespace std;
 
int dp[10000005], n, mx;
stack<int> s;
 
int main(){
  cin >> n;
  for(int i = 0; i < n; i++){
    int x, y; cin >> x >> y;
    if(i == 0){
      mx = x + y;
      s.push(x - y);
    }else if(mx < x + y){
      while(!s.empty() && s.top() >= (x - y)) s.pop();
      s.push(x - y);
      mx = x + y;
    }
    cout << s.size() << '\n';
  }
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 21
• Subtask 5: 0 / 26
• Subtask 6: 0 / 10
• Subtask 7: 0 / 20