| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1287858 | KickingKun | Bubble Sort 2 (JOI18_bubblesort2) | C++20 | 0 ms | 0 KiB |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define ld long double
#define bigint __int128
#define emb emplace_back
#define pb push_back
#define pii pair <int, int>
#define fi first
#define se second
#define all(v) v.begin(), v.end()
#define Task ""
#define MASK(k) (1ull << k)
#define bitcnt(k) __builtin_popcount(k)
#define testBit(n, k) ((n >> k) & 1)
#define flipBit(n, k) (n ^ (1ll << k))
#define offBit(n, k) (n & ~MASK(k))
#define onBit(n, k) (n | (1ll << k))
template <class T> bool minimize(T &a, T b) {if (a > b) {a = b; return true;} return false;}
template <class T> bool maximize(T &a, T b) {if (a < b) {a = b; return true;} return false;}
const int N = 5e5 + 5, lim = 60, mod = 1e9 + 7;
const ll INF = 1e18;
int n, q, a[N];
int x[N], v[N];
namespace sub2 {
void solve() {
for (int _ = 1; _ <= q; _++) {
a[x[_]] = v[_];
vector <int> b(a, a + n + 1);
sort (b.begin() + 1, b.end());
int ans = 0;
for (int i = 1; i <= n; i++) {
int k = upper_bound(b.begin() + 1, b.end(), a[i]) - b.begin() - 1;
maximize(ans, i - k);
}
cout << ans << '\n';
}
}
}
namespace sub3 {
void solve() {
}
}
namespace sub4 {
void solve() {
}
}
int main() {
ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
if (fopen(Task".inp", "r")) {
freopen(Task".inp", "r", stdin);
freopen(Task".out", "w", stdout);
}
cin >> n >> q;
for (int i = 1; i <= n; i++)
cin >> a[i];
for (int i = 0; i < q; i++)
cin >> x[i] >> v[i], ++x[i];
if (max(n, q) <= 8e3) sub2::solve();
else if (max(*max_element(a + 1, a + n + 1), *max_element(v, v + q)) <= 100)
sub3::solve();
else sub4::solve();
}