oj.uz

답안 #301623

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
301623 2020-09-18T05:30:29 Z maximath_1 식물 비교 (IOI20_plants) C++11
5 / 100
 117 ms 5060 KB 
#include "plants.h"
#include <vector>
#include <iostream>
using namespace std;

#define ll long long
const ll inf = 1e18;
int n, arr[200005];
vector<int> r;

pair<ll, int> st[200005 * 4][2];

void build(int nd, int cl, int cr, int tp){
	st[nd][tp] = {0, cl};
	if(cl != cr){
		build(nd * 2, cl, (cl + cr) / 2, tp);
		build(nd * 2 + 1, (cl + cr) / 2 + 1, cr, tp);
	}
}

ll lz[200005 * 4][2];

void prop(int nd, int cl, int cr, int tp){
	if(lz[nd][tp]){
		st[nd][tp].first += lz[nd][tp];
		if(cl != cr){
			lz[nd * 2][tp] += lz[nd][tp];
			lz[nd * 2 + 1][tp] += lz[nd][tp];
		}
		lz[nd][tp] = 0;
	}
}

void upd(int nd, int cl, int cr, int l, int r, ll vv, int tp){
	prop(nd, cl, cr, tp);
	if(cr < l || r < cl) return;
	if(l <= cl && cr <= r){
		lz[nd][tp] += vv;
		prop(nd, cl, cr, tp);
		return;
	}

	upd(nd * 2, cl, (cl + cr) / 2, l, r, vv, tp);
	upd(nd * 2 + 1, (cl + cr) / 2 + 1, cr, l, r, vv, tp);
	st[nd][tp] = min(st[nd * 2][tp], st[nd * 2 + 1][tp]);
}

ll que(int nd, int cl, int cr, int l, int r, int tp){
	prop(nd, cl, cr, tp);
	if(cr < l || r < cl) return inf;
	if(l <= cl && cr <= r) return st[nd][tp].first;

	return min(que(nd * 2, cl, (cl + cr) / 2, l, r, tp), que(nd * 2 + 1, (cl + cr) / 2 + 1, cr, l, r, tp));
}

void update(int l, int r, ll vv, int tp){
	if(l <= r)
		upd(1, 0, n - 1, l, r, vv, tp);
	else{
		upd(1, 0, n - 1, l, n - 1, vv, tp);
		upd(1, 0, n - 1, 0, r, vv, tp);
	}
}

int kk;
vector<int> pref;

void init(int k, vector<int> r){
	n = r.size();
	pref.resize(n + 1);
	for(int i = 0; i < n; i ++)
		pref[i + 1] = pref[i] + r[i];
	kk = k;
	if(kk == 2) return;

	build(1, 0, n - 1, 0);build(1, 0, n - 1, 1);
//	exit(0);
	for(int i = 0; i < n; i ++){
		update(i, i, r[i], 0);
		update(i, i, r[i], 1);
	}

	while(st[1][1].first == 0){
		int ps = st[1][1].second;
		update(ps, ps, inf, 1);
		update((ps + 1) % n, (ps + (k - 1)) % n, 1, 0);
	}

	for(int vv = n; vv > 0; vv --){
		int id = st[1][0].second;
		arr[id] = vv;

		update((id + 1) % n, (id + (k - 1)) % n, -1, 0);
		update((id + n - (k - 1)) % n, (id + n - 1) % n, -1, 0);
		update((id + n - (k - 1)) % n, (id + n - 1) % n, -1, 1);

		while(st[1][1].first == 0){
			int ps = st[1][1].second;
			update(ps, ps, inf, 1);
			update((ps + 1) % n, (ps + (k - 1)) % n, 1, 0);
		}
	}
}

int compare_plants(int x, int y){
	if(kk == 2){
		if(pref[y] == pref[x]) return 1;
		if(pref[y] - pref[x] == y - x) return -1;
		if(pref[n] - (pref[y] - pref[x]) == n - (y - x)) return 1;
		if(pref[n] == (pref[y] - pref[x])) return -1;
		return 0;
	}
	if(arr[x] < arr[y]) return -1;
	return 1;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 61 ms 3192 KB Output is correct
7 Correct 80 ms 3328 KB Output is correct
8 Correct 104 ms 4984 KB Output is correct
9 Correct 117 ms 4984 KB Output is correct
10 Correct 100 ms 4984 KB Output is correct
11 Correct 105 ms 4984 KB Output is correct
12 Correct 105 ms 4984 KB Output is correct
13 Correct 110 ms 4984 KB Output is correct
14 Correct 96 ms 5060 KB Output is correct

Subtask #2
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Incorrect 1 ms 384 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 288 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Incorrect 1 ms 384 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Incorrect 1 ms 384 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Incorrect 1 ms 384 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 61 ms 3192 KB Output is correct
7 Correct 80 ms 3328 KB Output is correct
8 Correct 104 ms 4984 KB Output is correct
9 Correct 117 ms 4984 KB Output is correct
10 Correct 100 ms 4984 KB Output is correct
11 Correct 105 ms 4984 KB Output is correct
12 Correct 105 ms 4984 KB Output is correct
13 Correct 110 ms 4984 KB Output is correct
14 Correct 96 ms 5060 KB Output is correct
15 Correct 1 ms 288 KB Output is correct
16 Correct 1 ms 256 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Incorrect 1 ms 384 KB Output isn't correct
19 Halted 0 ms 0 KB -