oj.uz

Submission #428090

# Submission time Handle Problem Language Result Execution time Memory
428090 2021-06-15T08:00:03 Z haxorman Sorting (IOI15_sorting) C++14
8 / 100
 1 ms 332 KB 
#include "sorting.h"
#include "bits/stdc++.h"
using namespace std;

const int mxN = 2e5 + 7;

int n, m, arr[mxN];

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
	n = N, m = M;

	for (int i = 0; i < n; ++i) {
		arr[i] = S[i];
	}

	int R = 0, ind = 0;
	bool ok = false;
	for (int iter = 1; iter <= m / n && !ok; ++iter) {
		swap(arr[X[ind]], arr[Y[ind]]);

		ok = true;
		for (int i = 0; i < n && ok; ++i) {
			if (ind + 1 < m && i == X[ind + 1] || i == Y[ind + 1])
				continue;

			for (int j = 0; j < n && ok; ++j) {
				if (arr[j] == i && i != j) {
					swap(arr[j], arr[i]);
					P[ind] = j, Q[ind] = i;
					++R;
					++ind;
					ok = false;
				}
			}
		}

		for (int i = 0; i < n; ++i) {
			if (arr[i] != i) {
				ok = false;
			}
		}
	}

	return R;
}

Compilation message

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:23:20: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   23 |    if (ind + 1 < m && i == X[ind + 1] || i == Y[ind + 1])
      |        ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# 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 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct

Subtask #2
0 / 12.0

# 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 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Incorrect 1 ms 332 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# 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 332 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# 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 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Incorrect 1 ms 332 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 26.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -