Submission #466009

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
466009	2021-08-17T14:04:59 Z	fuad27	Xor Sort (eJOI20_xorsort)	C++17	25 / 100	1000 ms	11440 KB

xorsort

#include<bits/stdc++.h>
using namespace std;
vector<pair<int, int>> v;
void sw(int i, int j) {
	v.push_back({j, i});
	v.push_back({i, j});
	v.push_back({j, i});
}
int main () {
	int n, s;
	cin >> n >> s;
	int a[n];
	for(int i = 0;i<n;i++) {
		cin >> a[i];	
	}
	for(int i = 1;i<=n;i++) {
		bool check = false;
		for(int j = 0;j<n-i;j++) {
			if(a[j] > a[j+1]) {
				sw(j+1, j+2);
				swap(a[j], a[j+1]);
				check = true;
			}
		}
		if(!check)break;
	}
	cout<<v.size()<<endl;
	for(auto [i, j]:v) {
		cout<<i<<' '<<j<<endl;
	}
}

Subtask #1

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	4 ms	324 KB	Output is correct
4	Correct	26 ms	588 KB	Output is correct
5	Correct	30 ms	680 KB	Output is correct
6	Correct	28 ms	612 KB	Output is correct
7	Correct	30 ms	616 KB	Output is correct
8	Correct	28 ms	636 KB	Output is correct
9	Correct	36 ms	656 KB	Output is correct
10	Correct	30 ms	600 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	59 ms	840 KB	Output is correct
13	Correct	59 ms	880 KB	Output is correct
14	Correct	57 ms	840 KB	Output is correct
15	Correct	57 ms	876 KB	Output is correct

Subtask #2

0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	4 ms	324 KB	Output is correct
4	Correct	26 ms	588 KB	Output is correct
5	Correct	30 ms	680 KB	Output is correct
6	Correct	28 ms	612 KB	Output is correct
7	Correct	30 ms	616 KB	Output is correct
8	Correct	28 ms	636 KB	Output is correct
9	Correct	36 ms	656 KB	Output is correct
10	Correct	30 ms	600 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	59 ms	840 KB	Output is correct
13	Correct	59 ms	880 KB	Output is correct
14	Correct	57 ms	840 KB	Output is correct
15	Correct	57 ms	876 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	30 ms	648 KB	Output is correct
18	Correct	52 ms	832 KB	Output is correct
19	Correct	51 ms	848 KB	Output is correct
20	Correct	51 ms	732 KB	Output is correct
21	Correct	54 ms	840 KB	Output is correct
22	Correct	62 ms	756 KB	Output is correct
23	Correct	54 ms	840 KB	Output is correct
24	Correct	52 ms	728 KB	Output is correct
25	Correct	50 ms	840 KB	Output is correct
26	Incorrect	99 ms	1244 KB	Integer 59568 violates the range [0, 40000]
27	Halted	0 ms	0 KB	-

Subtask #3

0 / 40.0

#	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	4 ms	204 KB	Output is correct
4	Correct	52 ms	832 KB	Output is correct
5	Execution timed out	1087 ms	11440 KB	Time limit exceeded
6	Halted	0 ms	0 KB	-