Submission #1182809

#	Time	Username	Problem	Language	Result	Execution time	Memory
1182809		william889	Advertisement 2 (JOI23_ho_t2)	C++20	Compilation error	0 ms	0 KiB

Main

# include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	int a[n],b[n];
	pair<int,int>v[n];
	for(int i=0;i<n;i++){
		cin>>a[i]>>b[i];
		v[i].first=a[i]-b[i];
		v[i].second=-a[i]-b[i];
	}
	long long ans=0,cur=-1e9;
	for(int i=0;i<n;i++){
		a[i].second=-a[i].second;
		if(a[i].second>cur){
			ans++;
			cur=a[i].second;
		}
	}
	cout<<ans;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:15:22: error: request for member 'second' in 'a[i]', which is of non-class type 'int'
   15 |                 a[i].second=-a[i].second;
      |                      ^~~~~~
Main.cpp:15:35: error: request for member 'second' in 'a[i]', which is of non-class type 'int'
   15 |                 a[i].second=-a[i].second;
      |                                   ^~~~~~
Main.cpp:16:25: error: request for member 'second' in 'a[i]', which is of non-class type 'int'
   16 |                 if(a[i].second>cur){
      |                         ^~~~~~
Main.cpp:18:34: error: request for member 'second' in 'a[i]', which is of non-class type 'int'
   18 |                         cur=a[i].second;
      |                                  ^~~~~~