oj.uz

Submission #303649

# Submission time Handle Problem Language Result Execution time Memory
303649 2020-09-20T13:56:34 Z myungwoo Comparing Plants (IOI20_plants) C++11
100 / 100
 1529 ms 17752 KB 
#include <bits/stdc++.h>
#include "plants.h"
using namespace std;

#define MAXN 200005
#define debug(...) fprintf(stderr, __VA_ARGS__); fflush(stderr);

const int TS = 1<<20, ST = TS/2-1;
int N, K, R[MAXN*2];
int A[MAXN*2], B[MAXN*2];

struct SegTree{
	template <typename T>
	struct Value{
		T value, lazysum;
	};
	Value<int> tree[TS];
	void build(int arr[]){
		memset(tree, 0, sizeof(tree));
		for (int i=ST+1;i<TS;i++) tree[i].value = i-ST <= N+N ? arr[i-ST] : 1e9;
		for (int i=ST;i;i--) tree[i].value = min(tree[i*2].value, tree[i*2+1].value);
	}
	void propagate(int n){
		if (n <= ST){
			tree[n*2].value += tree[n].lazysum, tree[n*2+1].value += tree[n].lazysum;
			tree[n*2].lazysum += tree[n].lazysum, tree[n*2+1].lazysum += tree[n].lazysum;
		}
		tree[n].lazysum = 0;
	}
	void update(int n, int s, int e, int l, int r, const int &v){
		if (l > r || e < l || r < s) return;
		if (l <= s && e <= r){
			tree[n].value += v, tree[n].lazysum += v;
			return;
		}
		propagate(n);
		int m = s+e >> 1;
		update(n*2, s, m, l, r, v);
		update(n*2+1, m+1, e, l, r, v);
		tree[n].value = min(tree[n*2].value, tree[n*2+1].value);
	}
	int findzero(int n){
		if (tree[n].value != 0) return 0;
		propagate(n);
		if (n > ST) return n-ST;
		if (!tree[n*2].value) return findzero(n*2);
		else if (!tree[n*2+1].value) return findzero(n*2+1);
		else assert(0);
	}
} segtree;

void get(int perm[])
{
	segtree.build(R);
	stack <int> wait;
	for (int ord=1;ord<=N+N;ord++){
		int x = segtree.findzero(1);
		while (!x){
			int q = wait.top(); wait.pop();
			segtree.update(1, 1, TS/2, q, N+N, -1);
			x = segtree.findzero(1);
		}
		perm[x] = ord;
		segtree.update(1, 1, TS/2, x, x, 1e9);
		segtree.update(1, 1, TS/2, max(1, x-K+1), x-1, -1);
		if (x-K+1 < 1) wait.push(N+N-(1-(x-K+1))+1);
	}
}

void init(int K, vector<int> r)
{
	::K = K;
	N = r.size();
	for (int i=1;i<=N;i++) R[N+i] = R[i] = r[i-1];
	get(A);
	for (int i=1;i<=N+N;i++) R[i] = K-R[i]-1;
	get(B);
}

int compare_plants(int x, int y)
{
	if (x > y) return -compare_plants(y, x);
	x++; y++;
	if (A[x] > A[y] || B[y] > B[x+N]) return -1;
	if (B[x] > B[y] || A[y] > A[x+N]) return 1;
	return 0;
}

Compilation message

plants.cpp: In member function 'void SegTree::update(int, int, int, int, int, const int&)':
plants.cpp:37:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   37 |   int m = s+e >> 1;
      |           ~^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 8576 KB Output is correct
2 Correct 9 ms 8576 KB Output is correct
3 Correct 9 ms 8576 KB Output is correct
4 Correct 10 ms 8576 KB Output is correct
5 Correct 10 ms 8576 KB Output is correct
6 Correct 74 ms 11384 KB Output is correct
7 Correct 147 ms 12024 KB Output is correct
8 Correct 723 ms 17144 KB Output is correct
9 Correct 737 ms 17144 KB Output is correct
10 Correct 722 ms 17144 KB Output is correct
11 Correct 735 ms 17144 KB Output is correct
12 Correct 722 ms 17196 KB Output is correct
13 Correct 715 ms 17272 KB Output is correct
14 Correct 730 ms 17144 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 8576 KB Output is correct
2 Correct 9 ms 8576 KB Output is correct
3 Correct 9 ms 8576 KB Output is correct
4 Correct 9 ms 8576 KB Output is correct
5 Correct 10 ms 8576 KB Output is correct
6 Correct 15 ms 8704 KB Output is correct
7 Correct 105 ms 11588 KB Output is correct
8 Correct 11 ms 8576 KB Output is correct
9 Correct 17 ms 8704 KB Output is correct
10 Correct 110 ms 11512 KB Output is correct
11 Correct 103 ms 11512 KB Output is correct
12 Correct 98 ms 11640 KB Output is correct
13 Correct 108 ms 11512 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 8576 KB Output is correct
2 Correct 9 ms 8576 KB Output is correct
3 Correct 9 ms 8576 KB Output is correct
4 Correct 9 ms 8576 KB Output is correct
5 Correct 10 ms 8576 KB Output is correct
6 Correct 15 ms 8704 KB Output is correct
7 Correct 105 ms 11588 KB Output is correct
8 Correct 11 ms 8576 KB Output is correct
9 Correct 17 ms 8704 KB Output is correct
10 Correct 110 ms 11512 KB Output is correct
11 Correct 103 ms 11512 KB Output is correct
12 Correct 98 ms 11640 KB Output is correct
13 Correct 108 ms 11512 KB Output is correct
14 Correct 185 ms 12024 KB Output is correct
15 Correct 1451 ms 17296 KB Output is correct
16 Correct 185 ms 12152 KB Output is correct
17 Correct 1445 ms 17276 KB Output is correct
18 Correct 944 ms 17752 KB Output is correct
19 Correct 959 ms 17568 KB Output is correct
20 Correct 1382 ms 17400 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 8576 KB Output is correct
2 Correct 9 ms 8576 KB Output is correct
3 Correct 87 ms 11384 KB Output is correct
4 Correct 787 ms 17272 KB Output is correct
5 Correct 904 ms 17140 KB Output is correct
6 Correct 1141 ms 17300 KB Output is correct
7 Correct 1378 ms 17212 KB Output is correct
8 Correct 1466 ms 17144 KB Output is correct
9 Correct 821 ms 17148 KB Output is correct
10 Correct 832 ms 17096 KB Output is correct
11 Correct 736 ms 17272 KB Output is correct
12 Correct 827 ms 17172 KB Output is correct
13 Correct 969 ms 17472 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 8576 KB Output is correct
2 Correct 10 ms 8576 KB Output is correct
3 Correct 12 ms 8552 KB Output is correct
4 Correct 9 ms 8576 KB Output is correct
5 Correct 12 ms 8576 KB Output is correct
6 Correct 12 ms 8576 KB Output is correct
7 Correct 26 ms 9216 KB Output is correct
8 Correct 26 ms 9216 KB Output is correct
9 Correct 28 ms 9216 KB Output is correct
10 Correct 27 ms 9208 KB Output is correct
11 Correct 27 ms 9208 KB Output is correct
12 Correct 27 ms 9208 KB Output is correct
13 Correct 26 ms 9216 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 8576 KB Output is correct
2 Correct 10 ms 8576 KB Output is correct
3 Correct 9 ms 8576 KB Output is correct
4 Correct 11 ms 8576 KB Output is correct
5 Correct 14 ms 8616 KB Output is correct
6 Correct 868 ms 17092 KB Output is correct
7 Correct 1132 ms 17168 KB Output is correct
8 Correct 1283 ms 17144 KB Output is correct
9 Correct 1391 ms 17272 KB Output is correct
10 Correct 821 ms 17400 KB Output is correct
11 Correct 1055 ms 17400 KB Output is correct
12 Correct 786 ms 17272 KB Output is correct
13 Correct 892 ms 17400 KB Output is correct
14 Correct 1111 ms 17172 KB Output is correct
15 Correct 1425 ms 17272 KB Output is correct
16 Correct 812 ms 17124 KB Output is correct
17 Correct 861 ms 17144 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 8576 KB Output is correct
2 Correct 9 ms 8576 KB Output is correct
3 Correct 9 ms 8576 KB Output is correct
4 Correct 10 ms 8576 KB Output is correct
5 Correct 10 ms 8576 KB Output is correct
6 Correct 74 ms 11384 KB Output is correct
7 Correct 147 ms 12024 KB Output is correct
8 Correct 723 ms 17144 KB Output is correct
9 Correct 737 ms 17144 KB Output is correct
10 Correct 722 ms 17144 KB Output is correct
11 Correct 735 ms 17144 KB Output is correct
12 Correct 722 ms 17196 KB Output is correct
13 Correct 715 ms 17272 KB Output is correct
14 Correct 730 ms 17144 KB Output is correct
15 Correct 10 ms 8576 KB Output is correct
16 Correct 9 ms 8576 KB Output is correct
17 Correct 9 ms 8576 KB Output is correct
18 Correct 9 ms 8576 KB Output is correct
19 Correct 10 ms 8576 KB Output is correct
20 Correct 15 ms 8704 KB Output is correct
21 Correct 105 ms 11588 KB Output is correct
22 Correct 11 ms 8576 KB Output is correct
23 Correct 17 ms 8704 KB Output is correct
24 Correct 110 ms 11512 KB Output is correct
25 Correct 103 ms 11512 KB Output is correct
26 Correct 98 ms 11640 KB Output is correct
27 Correct 108 ms 11512 KB Output is correct
28 Correct 185 ms 12024 KB Output is correct
29 Correct 1451 ms 17296 KB Output is correct
30 Correct 185 ms 12152 KB Output is correct
31 Correct 1445 ms 17276 KB Output is correct
32 Correct 944 ms 17752 KB Output is correct
33 Correct 959 ms 17568 KB Output is correct
34 Correct 1382 ms 17400 KB Output is correct
35 Correct 10 ms 8576 KB Output is correct
36 Correct 9 ms 8576 KB Output is correct
37 Correct 87 ms 11384 KB Output is correct
38 Correct 787 ms 17272 KB Output is correct
39 Correct 904 ms 17140 KB Output is correct
40 Correct 1141 ms 17300 KB Output is correct
41 Correct 1378 ms 17212 KB Output is correct
42 Correct 1466 ms 17144 KB Output is correct
43 Correct 821 ms 17148 KB Output is correct
44 Correct 832 ms 17096 KB Output is correct
45 Correct 736 ms 17272 KB Output is correct
46 Correct 827 ms 17172 KB Output is correct
47 Correct 969 ms 17472 KB Output is correct
48 Correct 10 ms 8576 KB Output is correct
49 Correct 10 ms 8576 KB Output is correct
50 Correct 12 ms 8552 KB Output is correct
51 Correct 9 ms 8576 KB Output is correct
52 Correct 12 ms 8576 KB Output is correct
53 Correct 12 ms 8576 KB Output is correct
54 Correct 26 ms 9216 KB Output is correct
55 Correct 26 ms 9216 KB Output is correct
56 Correct 28 ms 9216 KB Output is correct
57 Correct 27 ms 9208 KB Output is correct
58 Correct 27 ms 9208 KB Output is correct
59 Correct 27 ms 9208 KB Output is correct
60 Correct 26 ms 9216 KB Output is correct
61 Correct 126 ms 11384 KB Output is correct
62 Correct 161 ms 11896 KB Output is correct
63 Correct 811 ms 17212 KB Output is correct
64 Correct 912 ms 17208 KB Output is correct
65 Correct 1260 ms 17228 KB Output is correct
66 Correct 1433 ms 17212 KB Output is correct
67 Correct 1529 ms 17204 KB Output is correct
68 Correct 939 ms 17184 KB Output is correct
69 Correct 1091 ms 17360 KB Output is correct
70 Correct 787 ms 17144 KB Output is correct
71 Correct 896 ms 17144 KB Output is correct
72 Correct 1124 ms 17348 KB Output is correct
73 Correct 1370 ms 17204 KB Output is correct
74 Correct 799 ms 17092 KB Output is correct
75 Correct 895 ms 17144 KB Output is correct