Submission #1185695

#	Time	Username	Problem	Language	Result	Execution time	Memory
1185695		sano	Horses (IOI15_horses)	C++20	0 / 100	576 ms	45800 KiB

horses

//#pragma GCC optimize("O3")
//#pragma GCC target("tune=native")
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

#include "horses.h"
#include<iostream>
#include<vector>
#include<queue>
#include<deque>
#include<string>
#include<fstream>
#include<algorithm>
#include <iomanip>
#include<map>
#include <set>
#include <unordered_map>
#include <stack>
#include <unordered_set>
#include <cmath>
#include <cstdint>
#include <cassert>
#include <bitset>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

#define shit short int
#define ll long long
//#define int ll
#define For(i, n) for(int i = 0; i < (int)n; i++)
#define ffor(i, a, n) for(int i = (int)a; i < (int)n; i++)
#define rfor(i, n) for(int i = (int)n; i >= (int)0; i--)
#define rffor(i, a, n) for(int i = (int)n; i >= (int)a; i--)
#define vec vector
#define ff first
#define ss second
#define pb push_back
#define pii pair<int, int>
#define NEK 2000000000
#define mod 1000000007
#define mod2 1000000009
#define rsz resize
#define prv1 47
#define prv2 43
#define D 8
#define trav(a,x) for (auto& a: x)
#define pb push_back
#define ub upper_bound
#define lb lower_bound
#define all(x) (x).begin(), (x).end()
#define sig 0.0000001

using namespace std;
//using namespace __gnu_pbds;

//template <typename T1, typename T2>
//using indexed_set = tree<pair<T1, T2>, null_type, less<pair<T1, T2>>, rb_tree_tag, tree_order_statistics_node_update>;


class intervalac {
	ll n;
	vec<ll> l, r, in, lp;
	void update(ll s) {
		in[s] = (max(in[s * 2], in[s * 2 + 1]) * lp[s]) % mod;
		return;
	}
public:
	void postav(ll vel) {
		n = 1;
		while (n < vel) n *= 2;
		l.resize(2 * n); r.resize(2 * n); in.resize(2 * n, 1); lp.resize(2 * n, 1);
		For(i, n) {
			l[i + n] = r[i + n] = i;
		}
		rffor(i, 1, n - 1) {
			l[i] = l[i * 2];
			r[i] = r[i * 2 + 1];
		}
		return;
	}
	void zmen(ll a, ll b, ll k, ll s = 1) {
		if (l[s] > b || r[s] < a) return;
		if (a <= l[s] && r[s] <= b) {
			lp[s] *= k;
			lp[s] %= mod;
			return;
		}
		zmen(a, b, k, s * 2); zmen(a, b, k, s * 2 + 1);
		update(s);
		return;
	}
	ll daj() {
		return in[1];
	}
};

ll umocni(ll a, ll b) {
	ll vys = 1;
	while (b) {
		if (b & 1) {
			vys *= a;
			vys %= mod;
		}
		a *= a;
		a %= mod;
		b /= 2;
	}
	return vys;
}


vec<ll> x, y;
intervalac seg;


void zmen_x(ll s, ll k) {
	seg.zmen(s, x.size() - 1, umocni(x[s], mod - 2));
	x[s] = k;
	seg.zmen(s, x.size() - 1, x[s]);
	return;
}

void zmen_y(ll s, ll k) {
	seg.zmen(s, s, umocni(y[s], mod - 2));
	y[s] = k;
	seg.zmen(s, s, y[s]);
	return;
}

int init(int n, int x2[], int y2[]) {
	x.resize(n, 1);
	y.resize(n, 1);
	seg.postav(n);
	For(i, n) {
		zmen_x(i, x2[i]);
		zmen_y(i, y2[i]);
	}
	return seg.daj();
}

int updateX(int pos, int val) {
	zmen_x(pos, val);
	return seg.daj();
}

int updateY(int pos, int val) {
	zmen_y(pos, val);
	return seg.daj();
}

/*
signed main() {
	ios_base::sync_with_stdio(false); cin.tie(NULL);
	int t;
	t = 1;
	//cin >> t;
	For(i, t) {
		ifstream cin("09.in");
		ofstream cout("01.out");
		int n, m; cin >> n;
		int s[500], x[15000], y[15000], p[15000], q[15000];
		For(i, n) cin >> s[i];
		cin >> m;
		For(i, m) cin >> x[i] >> y[i];
		int r = findSwapPairs(n, s, m, x, y, p, q);
		cout << r << '\n';
		For(i, r) {
			cout << p[i] << ' ' << q[i] << '\n';
		}
	}
	return 0;
}*/

• Subtask 1: 0 / 17
• Subtask 2: 0 / 17
• Subtask 3: 0 / 20
• Subtask 4: 0 / 23
• Subtask 5: 0 / 23