oj.uz

Submission #428892

# Submission time Handle Problem Language Result Execution time Memory
428892 2021-06-15T15:15:17 Z alireza_kaviani Comparing Plants (IOI20_plants) C++11
27 / 100
 4000 ms 11972 KB 
#include "plants.h"
#include <bits/stdc++.h>
using namespace std;

typedef pair<int, int> pii;

#define X		first
#define Y		second
#define lc		id << 1
#define rc		lc | 1

const int MAXN = 2e5 + 10;
const int MOD = 1e9 + 7;

int n , k , A[MAXN] , val[MAXN] , lz[MAXN << 2];
pii seg[MAXN << 2];

void build(int id = 1 , int l = 0 , int r = n){
	if(r - l == 1){
		seg[id] = {A[l] , l};
		return;
	}
	int mid = l + r >> 1;
	build(lc , l , mid);
	build(rc , mid , r);
	seg[id] = min(seg[lc] , seg[rc]);
}

void shift(int id){
	lz[lc] += lz[id]; seg[lc].X += lz[id]; 
	lz[rc] += lz[id]; seg[rc].X += lz[id];
	lz[id] = 0;
}

void add(int ql , int qr , int val , int id = 1 , int l = 0 , int r = n){
	if(qr <= l || r <= ql)	return;
	if(ql <= l && r <= qr){
		lz[id] += val;
		seg[id].X += val;
		return;
	}
	shift(id);
	int mid = l + r >> 1;
	add(ql , qr , val , lc , l , mid);
	add(ql , qr , val , rc , mid , r);
	seg[id] = min(seg[lc] , seg[rc]);
}

pii get(int ql , int qr , int id = 1 , int l = 0 , int r = n){
	if(qr <= l || r <= ql)	return {MOD , MOD};
	if(ql <= l && r <= qr)	return seg[id];
	shift(id);
	int mid = l + r >> 1;
	return min(get(ql , qr , lc , l , mid) , get(ql , qr , rc , mid , r));
}

void Add(int l , int r , int val){
	if(l < r){
		add(l , r , val);
		return;
	}
	add(0 , r , val); add(l , n , val);
	return;
}

pii Get(int l , int r){
	if(l < r)	return get(l , r);
	pii A = get(0 , r) , B = get(l , n);
	if(A.X < B.X)	return A;
	return B;
}

void init(int K, vector<int> r) {
	k = K; n = r.size();
	for(int i = 0 ; i < n ; i++)	A[i] = r[i];
	build();	
	for(int i = 0 ; i < n ; i++){
		int pos = Get(0 , n).Y;
		while(1){
			pii A = Get((pos + n - k + 1) % n , pos);
			if(A.X == 0)	pos = A.Y;
			else	break;
		}
		Add((pos + n - k + 1) % n , pos , -1);
		Add(pos , pos + 1 , MOD);
		val[pos] = n - i;
	}
	return;
}

int compare_plants(int x, int y) {
	if(val[x] < val[y])	return -1;
	if(val[x] > val[y])	return 1;
	return 0;
}

Compilation message

plants.cpp: In function 'void build(int, int, int)':
plants.cpp:23:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |  int mid = l + r >> 1;
      |            ~~^~~
plants.cpp: In function 'void add(int, int, int, int, int, int)':
plants.cpp:43:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   43 |  int mid = l + r >> 1;
      |            ~~^~~
plants.cpp: In function 'pii get(int, int, int, int, int)':
plants.cpp:53:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   53 |  int mid = l + r >> 1;
      |            ~~^~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Incorrect 1 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 95 ms 3392 KB Output is correct
8 Correct 4 ms 332 KB Output is correct
9 Correct 3 ms 332 KB Output is correct
10 Correct 81 ms 3332 KB Output is correct
11 Correct 69 ms 3296 KB Output is correct
12 Correct 69 ms 3504 KB Output is correct
13 Correct 88 ms 3444 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 95 ms 3392 KB Output is correct
8 Correct 4 ms 332 KB Output is correct
9 Correct 3 ms 332 KB Output is correct
10 Correct 81 ms 3332 KB Output is correct
11 Correct 69 ms 3296 KB Output is correct
12 Correct 69 ms 3504 KB Output is correct
13 Correct 88 ms 3444 KB Output is correct
14 Correct 103 ms 4160 KB Output is correct
15 Correct 754 ms 11948 KB Output is correct
16 Correct 105 ms 4164 KB Output is correct
17 Correct 631 ms 11848 KB Output is correct
18 Correct 420 ms 11836 KB Output is correct
19 Correct 417 ms 11856 KB Output is correct
20 Correct 573 ms 11972 KB Output is correct

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 81 ms 3180 KB Output is correct
4 Execution timed out 4067 ms 10780 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Incorrect 1 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Incorrect 1 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Incorrect 1 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -