#include <bits/stdc++.h>
#define pb emplace_back
#define get_pos(u,x) (lower_bound(begin(u),end(u),x) - begin(u))
using namespace std;
typedef long long ll;
const ll N = 500025, INF = 1e18;
struct Segtree {
int mx[N<<1],lz[N],n;
void upd(int p, ll d) {
mx[p] += d;
if(p < N) lz[p] += d;
}
void pull(int p) {
for(; p>1; p>>=1) mx[p>>1] = max(mx[p],mx[p^1]) + lz[p>>1];
}
void push(int p) {
for(int h = __lg(n); h >= 0; h--) {
int i = p>>h;
if(!lz[i>>1]) continue;
upd(i,lz[i>>1]);
upd(i^1,lz[i>>1]);
lz[i>>1] = 0;
}
}
void add(int l, int r, ll d) {
int L = l, R = r;
for(l+=n,r+=n; l<r; l>>=1,r>>=1) {
if(l&1) upd(l++, d);
if(r&1) upd(--r, d);
}
pull(L+n), pull(R-1+n);
}
int query(int l, int r) {
int res = -1e9;
push(l+n), push(r-1+n);
for(l+=n,r+=n; l<r; l>>=1,r>>=1) {
if(l&1) res = max(res, mx[l++]);
if(r&1) res = max(res, mx[--r]);
}
return res;
}
/*void dbg() {
cout << "-------\n";
for(int i = 0; i < 10; i++) {
push(i+N);
cout << mx[i+N] << ' ';
}
cout << '\n';
}*/
} sgt;
vector<int> countScans(vector<int> A, vector<int> X, vector<int> V) {
int n = A.size(), q = X.size();
vector<ll> u;
for(int i = 0; i < n; i++) u.pb(A[i] * N + i);
for(int i = 0; i < q; i++) u.pb(V[i] * N + X[i]);
sort(u.begin(), u.end());
u.erase(unique(u.begin(), u.end()), u.end());
for(int i = 0; i < n; i++) A[i] = get_pos(u, A[i] * N + i);
for(int i = 0; i < q; i++) V[i] = get_pos(u, V[i] * N + X[i]);
vector<int> Q;
//sgt.init();
for(int i = 0; i < n; i++) {
sgt.add(A[i], A[i]+1, i);
sgt.add(A[i]+1, N, -1);
}
for(int i = 0; i < q; i++) {
int x = X[i];
sgt.add(A[x],A[x]+1, -x);
sgt.add(A[x]+1, u.size(), 1);
A[x] = V[i];
sgt.add(A[x],A[x]+1, x);
sgt.add(A[x]+1, u.size(), -1);
//sgt.dbg();
Q.pb(sgt.query(0, u.size()));
}
return Q;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
9 ms |
504 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
9 ms |
504 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
9064 ms |
1136 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
9 ms |
504 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |