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Submission #371291

# Submission time Handle Problem Language Result Execution time Memory
371291 2021-02-26T12:05:40 Z KoD Toy Train (IOI17_train) C++17
5 / 100
 6 ms 768 KB 
#include <bits/stdc++.h>
#include "train.h"

template <class T>
using Vec = std::vector<T>;

Vec<int> who_wins(Vec<int> a, Vec<int> r, Vec<int> u, Vec<int> v) {
	const int n = (int) a.size();
	const int m = (int) u.size();
	{
		bool sub1 = true;
		Vec<bool> loop(n);
		Vec<bool> right(n);
		for (int i = 0; i < m; ++i) {
			if (u[i] == v[i]) {
				loop[u[i]] = true;
			}
			else if (u[i] + 1 == v[i]) {
				right[u[i]] = true;
			}
			else {
				sub1 = false;
				break;
			}
		}
		if (sub1) {
			Vec<int> ret(n);
			for (int i = n - 1; i >= 0; --i) {
				if (a[i]) {
					ret[i] = 0;
					if (r[i] && loop[i]) {
						ret[i] = 1;
					}
					if (right[i] && ret[i + 1]) {
						ret[i] = 1;
					}
				}
				else {
					ret[i] = 1;
					if (!r[i] && loop[i]) {
						ret[i] = 0;
					}
					if (right[i] && !ret[i + 1]) {
						ret[i] = 0;
					}
				}
			}
			return ret;
		}
	}
	return {};
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 620 KB Output is correct
2 Correct 4 ms 620 KB Output is correct
3 Correct 6 ms 620 KB Output is correct
4 Correct 4 ms 620 KB Output is correct
5 Correct 4 ms 620 KB Output is correct
6 Correct 4 ms 620 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 4 ms 620 KB Output is correct
9 Correct 4 ms 640 KB Output is correct
10 Correct 4 ms 620 KB Output is correct
11 Correct 3 ms 620 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB WA in grader: Wrong returned array size
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 768 KB WA in grader: Wrong returned array size
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 620 KB WA in grader: Wrong returned array size
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 768 KB WA in grader: Wrong returned array size
2 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 620 KB Output is correct
2 Correct 4 ms 620 KB Output is correct
3 Correct 6 ms 620 KB Output is correct
4 Correct 4 ms 620 KB Output is correct
5 Correct 4 ms 620 KB Output is correct
6 Correct 4 ms 620 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 4 ms 620 KB Output is correct
9 Correct 4 ms 640 KB Output is correct
10 Correct 4 ms 620 KB Output is correct
11 Correct 3 ms 620 KB Output is correct
12 Incorrect 1 ms 364 KB WA in grader: Wrong returned array size
13 Halted 0 ms 0 KB -