#include <bits/extc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
#define int long long
#define f first
#define s second
#define all(x) x.begin(), x.end()
#define debug(x) do{auto __tmp__ = x; cerr << #x << " = " << __tmp__ << endl;}while(0)
// #define endl "\n"
#define unordered_map __gnu_pbds::gp_hash_table
using pii = pair<int, int>;
const int inf = 1ll << 60;
// const int inf = 1 << 30;
const int MOD = 1e9 + 7;
signed main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout << 2 << endl;
return 0;
int n, m; cin >> n >> m;
vector<int> t(n), a(n);
for(int i = 0; i < m; i++) {
cin >> t[hi];
}
for(int i = 0; i < m; i++) {
cin >> a[i];
}
vector<pii> p(n);
for(int i = 0; i < n; i++) {
p[i] = {t[i] + a[i], t[i] - a[i]};
}
sort(all(p));
set<int> ws;
for(auto i : p) {
auto w = ws.upper_bound(i.s);
if(w != ws.begin()) {
w--;
ws.erase(w);
}
ws.insert(i.s);
}
cout << ws.size() << endl;
}
Compilation message
Arcade.cpp: In function 'int main()':
Arcade.cpp:28:14: error: 'hi' was not declared in this scope; did you mean 'i'?
28 | cin >> t[hi];
| ^~
| i
