Submission #407258

#	Time	Username	Problem	Language	Result	Execution time	Memory
407258		NurstanDuisengaliev	Tenis (COCI20_tenis)	C++14	110 / 110	86 ms	9876 KiB

tenis

// Nurstan Duisengaliev(REALBOY)
// Respa Gold_2022
// IZHO GOLD_2022
// IOI_2022 
/*#pragma GCC target ("avx2")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimize("O3")*/                   
      
#include <bits/stdc++.h>
 
#define ll long long
#define all(x) x.begin(), x.end()
#define in insert
#define mp make_pair
#define F first
#define S second
#define ppf pop_front
#define pb push_back
#define ppb pop_back
#define pf push_front
#define pii pair <int, int>
#define pll pair <ll, ll>
#define boost() ios_base::sync_with_stdio(0), cin.tie(0)
#define sz(x) (int)x.size()
using namespace std;
 
const int N = (int)2e5 + 123;
const int mod = (int)1e9 + 7;
const ll INF = (ll)1e18 + 1;
int n, a[N], b[N];
int pos[N][4], posmx[N]; 
int posmx2[N];
ll ans[N], cnt[4];
int X[4][N];
void Input () {
	cin >> n;
	for (int i = 1; i <= n; i ++) {
		int x;
		cin >> x;
		X[1][i] = x;
		pos[x][1] = i;
		posmx[x] = i;
		posmx2[x] = 1;
	}
	for (int i = 1; i <= n; i ++) {
		int x;
		cin >> x;
		pos[x][2] = i;
		X[2][i] = x;
		if (posmx[x] > i) posmx2[x] = 2;
		posmx[x] = min (posmx[x], i);
	}
	for (int i = 1; i <= n; i ++) {
		int x;
		cin >> x;
		pos[x][3] = i;
		X[3][i] = x;
		if (posmx[x] > i) posmx2[x] = 3;
		posmx[x] = min (posmx[x], i);
	}
}
void Output () {
	cout << cnt[1] << " " << cnt[2] << " " << cnt[3] << endl;
	for (int i = 1; i <= n; i ++) {
		cout << ans[i] << " ";
	}
	exit (0);
}
int pref[N][7], prefcnt[N][4];
void solve () {
	vector <pii> v;
	for (int i = 1; i <= n; i ++) {
		v.pb (mp (-posmx[i], i));
	}
	sort (all (v));
	
	for (int i = 0; i < sz (v); i ++) {
		int x = v[i].S;
		if (i != 0) {
			for (int j = 1; j <= 6; j ++) {
				if (j <= 3) prefcnt[i][j] = prefcnt[i - 1][j];
				pref[i][j] = pref[i - 1][j];
			}
		}
		if (pos[x][1] <= pos[x][2]) pref[i][1] ++;
		else pref[i][2] ++;
		if (pos[x][1] <= pos[x][3]) pref[i][3] ++;
		else pref[i][4] ++;
		if (pos[x][2] <= pos[x][3]) pref[i][5] ++;
		else pref[i][6] ++; 
		prefcnt[i][posmx2[x]] ++;
	}
	for (int i = 1; i <= n; i ++) {
		int l = 0, r = sz (v) - 1, o = -1;
		while (l <= r) {
			int mid = l + r >> 1;
			if (v[mid].F < -posmx[i]) {
				o = mid;
				l = mid + 1;
			}
			else r = mid - 1;
		}
		if (o == -1) continue;
		ans[i] += o + 1;
		if ((pos[i][1] == posmx[i]) + (pos[i][2] == posmx[i]) + (pos[i][3] == posmx[i]) == 3) {
			cnt[1] += prefcnt[o][1];
			cnt[2] += prefcnt[o][2];
			cnt[3] += prefcnt[o][3];
		}
		else if ((pos[i][1] == posmx[i]) + (pos[i][2] == posmx[i]) + (pos[i][3] == posmx[i]) == 2) {
			if (pos[i][1] != posmx[i]) {
				cnt[2] += pref[o][5];
				cnt[3] += pref[o][6];	
			}
			else if (pos[i][2] != posmx[i]) {
				cnt[1] += pref[o][3];
				cnt[3] += pref[o][4];
			}
			else {
				cnt[1] += pref[o][1];
				cnt[2] += pref[o][2];
			}			
		}
		else {
			int p;
			if (pos[i][1] == posmx[i]) p = 1;
			else if (pos[i][2] == posmx[i]) p = 2; 
			else p = 3;
			cnt[p] += o + 1;	
		}
	}
	for (int i = 1; i <= n; i ++) {
		set <int> s;
		for (int k = 1; k <= 3; k ++) {
			int j = X[k][posmx[i]];
			if (posmx[i] == posmx[j] && i < j) s.in (j);	
		}
		for (auto j : s) {
			int o = mod;
			int ok = min (posmx[i], posmx[j]);	
			for (int t = 1; t <= 3; t ++) {
				if (min (pos[i][t], pos[j][t]) == ok) {
					o = min (o, max (pos[i][t], pos[j][t]));
				}				
			}
			int p = -1;
			for (int t = 1; t <= 3; t ++) {
				if (min (pos[i][t], pos[j][t]) == ok && max (pos[i][t], pos[j][t]) == o) {
					 p = t;
					 break;		
			 	}
			}
			cnt[p] ++;
			if (pos[i][p] < pos[j][p]) ans[i] ++;
			else ans[j] ++;	
		}
	}
}   	
 
main () {
	boost ();
	Input ();
	solve ();
	Output ();	
	return 0;
}

Compilation message (stderr)

tenis.cpp: In function 'void solve()':
tenis.cpp:98:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   98 |    int mid = l + r >> 1;
      |              ~~^~~
tenis.cpp: At global scope:
tenis.cpp:162:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  162 | main () {
      | ^~~~

• Subtask 1: 35 / 35
• Subtask 2: 15 / 15
• Subtask 3: 60 / 60