#include "gap.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define ff first
#define ss second
struct node {
node *LC, *RC;
ll tl, tr;
ll mn, mx;
ll ans;
node(ll l, ll r) {
ans = -1;
tl = l, tr = r;
MinMax(l, r, &mn, &mx);
}
bool birth() {
if(tl == tr) return 0;
if(mn == mx) return 0;
LC = new node(tl, (tl + tr) / 2);
RC = new node((tl + tr) / 2 + 1, tr);
return 1;
}
ll merge(node *L, node *R) {
ll ret = max(L-> ans, R-> ans);
if(L-> mx == -1) return ret;
if(R-> mx == -1) return ret;
if(L-> mx == R.mn) return ret;
return max(R-> mn - L-> mx, ret);
}
void build() {
if(tl == tr) return;
if(mn == mx) return;
LC-> build();
RC-> build();
ans = merge(LC, RC);
}
};
ll findGap(int T, int N) {
node *root = new node(1LL, N);
return root-> ans;
}
Compilation message
gap.cpp: In member function 'll node::merge(node*, node*)':
gap.cpp:35:18: error: request for member 'mn' in 'R', which is of pointer type 'node*' (maybe you meant to use '->' ?)
35 | if(L-> mx == R.mn) return ret;
| ^~
