oj.uz

Submission #836252

# Submission time Handle Problem Language Result Execution time Memory
836252 2023-08-24T09:10:26 Z rainboy Handcrafted Gift (IOI20_gift) C++17
100 / 100
 118 ms 22800 KB 
#include "gift.h"
#include <cstring>
#include <string>
#include <vector>

using namespace std;

const int N = 500000;

typedef vector<int> vi;

int construct(int n, int m, vi ll, vi rr, vi kk) {
	static int dd[N];
	memset(dd, 0, n * sizeof *dd);
	for (int h = 0; h < m; h++)
		if (kk[h] == 1)
			dd[ll[h]]++, dd[rr[h]]--;
	for (int i = 1; i < n; i++)
		dd[i] += dd[i - 1];
	for (int i = n - 1; i > 0; i--)
		dd[i] = dd[i - 1] == 0 ? 1 : 0;
	dd[0] = 0;
	for (int i = 1; i < n; i++)
		dd[i] += dd[i - 1];
	for (int h = 0; h < m; h++)
		if (kk[h] == 2 && dd[rr[h]] - dd[ll[h]] == 0)
			return 0;
	string cc(n, 0);
	for (int i = 0; i < n; i++)
		cc[i] = dd[i] % 2 == 0 ? 'R' : 'B';
	craft(cc);
	return 1;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 99 ms 22800 KB Output is correct
6 Correct 95 ms 22724 KB Output is correct
7 Correct 95 ms 22732 KB Output is correct
8 Correct 118 ms 22732 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Correct 97 ms 22548 KB Output is correct
5 Correct 98 ms 22476 KB Output is correct
6 Correct 98 ms 21520 KB Output is correct
7 Correct 97 ms 21564 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 296 KB Output is correct
9 Correct 0 ms 212 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 2 ms 596 KB Output is correct
5 Correct 99 ms 22800 KB Output is correct
6 Correct 95 ms 22724 KB Output is correct
7 Correct 95 ms 22732 KB Output is correct
8 Correct 118 ms 22732 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 97 ms 22548 KB Output is correct
13 Correct 98 ms 22476 KB Output is correct
14 Correct 98 ms 21520 KB Output is correct
15 Correct 97 ms 21564 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 296 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 4 ms 3176 KB Output is correct
36 Correct 4 ms 3304 KB Output is correct
37 Correct 8 ms 4020 KB Output is correct
38 Correct 106 ms 22664 KB Output is correct
39 Correct 106 ms 21648 KB Output is correct
40 Correct 100 ms 22540 KB Output is correct
41 Correct 102 ms 22476 KB Output is correct
42 Correct 99 ms 22168 KB Output is correct