Submission #1295912

#	Time	Username	Problem	Language	Result	Execution time	Memory
1295912		nathako9n	Lightning Rod (NOI18_lightningrod)	C++20	Compilation error	0 ms	0 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define ll long long
const int N = 1e7+2;
pair<int,int> ar[N+2];
int n;
vector<int>pos;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    for(int i =1;i<=n;i++){
		int x, y; cin >> x >> y;
		ar[i]= {x+y, x-y};
	}
	sort(ar+1, ar+n+1, greater<pair<int,int>>)
	vector<int> tail;
    for(int i=0;i<n;i++){
        int val = ar[i+1].second;
        auto it = lower_bound(tail.begin(), tail.end(), -val);
        if(it==tail.end()) tail.push_back(-val);
        else *it = -val;
    }
    cout<<tail.size()<<"\n";
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:16:50: error: expected primary-expression before ')' token
   16 |         sort(ar+1, ar+n+1, greater<pair<int,int>>)
      |                                                  ^
Main.cpp:20:31: error: 'tail' was not declared in this scope; did you mean 'tanl'?
   20 |         auto it = lower_bound(tail.begin(), tail.end(), -val);
      |                               ^~~~
      |                               tanl
Main.cpp:24:11: error: 'tail' was not declared in this scope; did you mean 'tanl'?
   24 |     cout<<tail.size()<<"\n";
      |           ^~~~
      |           tanl