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Submission #697275

# Submission time Handle Problem Language Result Execution time Memory
697275 2023-02-09T04:48:53 Z youngyojun Handcrafted Gift (IOI20_gift) C++17
100 / 100
 146 ms 24920 KB 
#include "gift.h"
#include <bits/stdc++.h>
using namespace std;

int construct(int N, int K, vector<int> A, vector<int> B, vector<int> C) {
	vector<int> D(N);
	for(int i = K; i--;) if(1 == C[i] && A[i] != B[i]) {
		D[A[i]]++; D[B[i]]--;
	}
	for(int i = 1; i < N; i++) D[i] += D[i-1];

	vector<int> E(N);
	for(int i = 1, c = 0; i < N; i++) {
		if(!D[i-1]) c ^= 1;
		E[i] = c;
	}

	for(int i = N; i--;) D[i] = 0;
	for(int i = 1; i < N; i++) D[i-1] = E[i-1] ^ E[i];
	for(int i = 1; i < N; i++) D[i] += D[i-1];

	for(int i = K; i--;)
		if(2 == C[i] && (A[i] == B[i] || D[B[i]-1] == (A[i] ? D[A[i]-1] : 0)))
			return 0;
	
	string ret;
	for(int i = 0; i < N; i++) ret += E[i] ? 'R' : 'B';
	craft(ret);

	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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 3 ms 724 KB Output is correct
5 Correct 131 ms 24900 KB Output is correct
6 Correct 131 ms 24912 KB Output is correct
7 Correct 131 ms 24920 KB Output is correct
8 Correct 126 ms 24840 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 296 KB Output is correct
3 Correct 4 ms 724 KB Output is correct
4 Correct 130 ms 24668 KB Output is correct
5 Correct 132 ms 24648 KB Output is correct
6 Correct 127 ms 23500 KB Output is correct
7 Correct 146 ms 23564 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 1 ms 296 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 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 0 ms 212 KB Output is correct
5 Correct 2 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 2 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 3 ms 724 KB Output is correct
5 Correct 131 ms 24900 KB Output is correct
6 Correct 131 ms 24912 KB Output is correct
7 Correct 131 ms 24920 KB Output is correct
8 Correct 126 ms 24840 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 4 ms 724 KB Output is correct
12 Correct 130 ms 24668 KB Output is correct
13 Correct 132 ms 24648 KB Output is correct
14 Correct 127 ms 23500 KB Output is correct
15 Correct 146 ms 23564 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 296 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 300 KB Output is correct
20 Correct 1 ms 300 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 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 0 ms 212 KB Output is correct
29 Correct 2 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 2 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 8 ms 5264 KB Output is correct
36 Correct 9 ms 5392 KB Output is correct
37 Correct 17 ms 6032 KB Output is correct
38 Correct 134 ms 24796 KB Output is correct
39 Correct 131 ms 23580 KB Output is correct
40 Correct 137 ms 24664 KB Output is correct
41 Correct 137 ms 24652 KB Output is correct
42 Correct 144 ms 24300 KB Output is correct