#include <bits/stdc++.h>
#include <fstream>
#define endl '\n'
#define mod 1000007
#define INF 100000000
//#define ll long long
///#define cin fin
///#define cout fout
#define fi first
#define se second
using namespace std;
double const EPS = 1e-14;
///ofstream fout("herding.out");
///ifstream fin("herding.in");
const int Max = 1e6 + 5;
const int M = 1e6;
int seg[4*Max];
void Update(int x, int l, int r, int pos) {
if(l == r) {
seg[x]++;
}
else {
int mid = (l+r)/2;
if(pos <= mid) Update(x*2,l,mid,pos);
else Update(x*2+1,mid+1,r,pos);
seg[x] = seg[x*2] + seg[x * 2 + 1]
}
}
int sol(int x, int l, int r, int L, int R) {
if(l > R || r < L) {
return 0;
}
else if(l >= L && r <= R) {
return seg[x];
}
else {
int mid = (l+r)/2;
return sol(x*2,l,mid,L,R)+sol(x*2+1,mid+1,r,L,R);
}
}
int main()
{
ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
int n; cin >> n; int arr[n], ans = 1; vector<int> v;
for(int i = 0; i < n; i++) cin >> arr[i];
int last = INF;
for(int i = 0; i < n; i++) {
if(last == INF || (v.back() <= arr[i] && sol(1,1,M,last+1,arr[i]-1) == 0)) {
if(last == INF) last = arr[i];
v.push_back(arr[i]);
}
else {
for(int j = v.size()-1; j >= 0; j--) {
Update(1,1,M,v[j]); v.pop_back();
}
last = arr[i]; v.push_back(arr[i]); ans++;
}
}
cout << ans;
return 0;
}
Compilation message
money.cpp: In function 'void Update(int, int, int, int)':
money.cpp:28:43: error: expected ';' before '}' token
28 | seg[x] = seg[x*2] + seg[x * 2 + 1]
| ^
| ;
29 | }
| ~
