Submission #235170

#	Time	Username	Problem	Language	Result	Execution time	Memory
235170		Atalasion	Bubble Sort 2 (JOI18_bubblesort2)	C++14	38 / 100	9085 ms	2748 KiB

bubblesort2

//khodaya khodet komak kon
#include <bits/stdc++.h>

#define F first
#define S second
#define pb push_back
#define all(x) x.begin(), x.end()
#pragma GCC optimize ("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize ("-O2")


using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

const int N = 500000 + 10;
const ll MOD = 1000000000 + 7;
const ll INF = 1000000010;
const ll LOG = 25;

int a[N], n, q, cnt[N];

vector<int> countScans(vi A, vi X, vi V){
	n = A.size();
	q = X.size();
	for (int i = 1; i <= n; i++){
		a[i] = A[i - 1];
	}
	for (int i = 1; i <= n; i++) for (int j = 1; j < i; j++) if (a[j] > a[i]) cnt[i]++;
	vector<int> res;
	for (int i = 0; i < q; i++){
		X[i] ++;
		for (int j = X[i] + 1; j <= n; j++)if(a[X[i]] > a[j]) cnt[j]--;
//		for (int j = 1; j <= n; j++) cout << cnt[
		cnt[X[i]] = 0;
		a[X[i]] = V[i];
		for(int j = 1; j < X[i]; j++) if (a[j] > V[i]) cnt[X[i]]++;
		for (int j = X[i] + 1; j <= n; j++) if (V[i] > a[j]) cnt[j]++;
		int mx = 0;
		for( int j = 1; j <= n; j++){
//			cout << j << ' ' << cnt[j] << endl;
			mx = max(mx, cnt[j]);
		}
		res.pb(mx);
	}
	return res;
}
	
//int32_t main(){
//	vector<int> A, X, V;
//	cin >> n >> q;
//	for (int i = 1; i <= n; i++){
//		int x;
//		cin >> x;
//		A.pb(x);
//	}
//	for (int i = 0; i < q; i++){
//		int x, v;
//		cin >> x >> v;
//		X.pb(x);
//		V.pb(v);
//	}
//	vi res = countScans(A, X, V);
//	for (auto u:res) cout << u << '\n';
//}

• Subtask 1: 17 / 17
• Subtask 2: 21 / 21
• Subtask 3: 0 / 22
• Subtask 4: 0 / 40