CSES - Datatähti Open 2017

Submission details
Task:	Grid
Sender:	cuber2460
Submission time:	2017-01-21 22:39:53 +0200
Language:	C++
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	35
#2	ACCEPTED	21
#3	ACCEPTED	44

Test results
test	verdict	time	group
#1	ACCEPTED	0.03 s	1	details
#2	ACCEPTED	0.04 s	1	details
#3	ACCEPTED	0.03 s	1	details
#4	ACCEPTED	0.03 s	1	details
#5	ACCEPTED	0.04 s	1	details
#6	ACCEPTED	0.04 s	1	details
#7	ACCEPTED	0.04 s	1	details
#8	ACCEPTED	0.05 s	1	details
#9	ACCEPTED	0.05 s	1	details
#10	ACCEPTED	0.05 s	2	details
#11	ACCEPTED	0.03 s	2	details
#12	ACCEPTED	0.04 s	2	details
#13	ACCEPTED	0.04 s	2	details
#14	ACCEPTED	0.04 s	2	details
#15	ACCEPTED	0.04 s	2	details
#16	ACCEPTED	0.04 s	3	details
#17	ACCEPTED	0.04 s	3	details
#18	ACCEPTED	0.04 s	3	details
#19	ACCEPTED	0.09 s	3	details
#20	ACCEPTED	0.10 s	3	details
#21	ACCEPTED	0.18 s	3	details

Code

#include <iostream>
#include <set>
#include <algorithm>
#include <vector>
using namespace std;

const int N = 1000;
int n;
int t[N + 7][N + 7];
int sum1[N + 7];
int sum2[N + 7];
int ile[N + 7];

bool popraw() {	
	vector <int> S;
	for(int i = 1; i <= n; ++i) {
		S.push_back(sum1[i]);
		S.push_back(sum2[i]);
	}
	
	sort(S.begin(), S.end());
	
	int ok = 1;
	for(int i = 1; i < (int) S.size(); ++i) if(S[i] == S[i - 1]) ok = 0;
	if(ok) return 1;
	int a = 1 + rand() % n;
	int b = 1 + rand() % n;
	int c = 1 + rand() % n;
	int d = 1 + rand() % n;
	sum1[a] += t[c][d] - t[a][b];
	sum2[b] += t[c][d] - t[a][b];
	sum1[c] += t[a][b] - t[c][d];
	sum2[d] += t[a][b] - t[c][d];
	swap(t[a][b], t[c][d]);
	return 0;
}

int main() {
	ios_base::sync_with_stdio(0);
	cin >> n;
	if(n < 4) {
		cout << "QAQ\n";
		return 0;
	}
	for(int i = 1; i <= n; ++i) {
		for(int j = 1; j <= n; ++j) {
			if(i + j <= n + 1) {
				t[i][j] = (i + j - 2) * (i + j - 1) / 2;
				t[i][j] += i;
			}
			else {
				int x = n - i + 1;
				int y = n - j + 1;
				t[i][j] = n * n - (x + y - 2) * (x + y - 1) / 2 - x + 1	;
			}
			
			t[i][j] = (t[i][j] + n - 1) / n;
		}
	}
	for(int i = 1; i <= n; ++i) sum1[i] = sum2[i] = 0;
	for(int i = 1; i <= n; ++i) {
		for(int j = 1; j <= n; ++j) {
			sum1[i] += t[i][j];
			sum2[j] += t[i][j];
		}
	}
	
	while(!popraw());
	
	for(int i = 1; i <= n; ++i) {
		for(int j = 1; j <= n; ++j) cout << t[i][j] << ' ';
		cout << endl;
	}
	return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
`2` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 2

Group: 1

Verdict: ACCEPTED

input
`3` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 3

Group: 1

Verdict: ACCEPTED

input
`4` view save

correct output
`3 4 3 4 3 1 1 2 4 4 3 2 2 2 1 1` view save

user output
`2 1 3 1 4 2 3 2 4 3 4 1 4 2 3 1` view save

Test 4

Group: 1

Verdict: ACCEPTED

input
`5` view save

correct output
`2 3 4 1 1 3 4 2 1 2 4 2 3 1 3 4 3 2 1 4 5 5 5 5 5` view save

user output
`1 1 3 3 1 5 4 5 5 4 1 2 3 2 2 4 3 4 2 1 2 5 3 5 4` view save

Test 5

Group: 1

Verdict: ACCEPTED

input
`6` view save

correct output
`2 3 4 5 1 1 3 4 5 2 1 2 4 5 2 3 1 3 5 2 3 4 1 4 5 4 3 2 1 5 ...` view save

user output
`1 1 1 2 2 3 1 1 2 2 3 4 1 2 3 3 4 5 2 3 4 4 5 6 3 4 5 5 6 6 ...` view save

Test 6

Group: 1

Verdict: ACCEPTED

input
`7` view save

correct output
`2 3 4 5 6 1 1 3 4 5 6 2 1 2 4 5 6 2 3 1 3 5 6 2 3 4 1 4 6 2 3 4 5 1 5 ...` view save

user output
`1 1 1 1 2 3 4 1 1 2 3 5 4 5 1 2 2 3 4 3 5 2 2 2 4 5 6 6 3 3 4 5 6 6 7 ...` view save

Test 7

Group: 1

Verdict: ACCEPTED

input
`8` view save

correct output
`2 3 4 5 6 7 1 1 3 4 5 6 7 2 1 2 4 5 6 7 2 3 1 3 5 6 7 2 3 4 1 4 6 7 2 3 4 5 1 5 ...` view save

user output
`1 1 1 1 2 2 3 4 1 1 1 2 3 3 4 5 1 2 2 3 3 4 5 6 2 2 3 4 4 5 6 7 2 3 4 5 5 6 7 7 ...` view save

Test 8

Group: 1

Verdict: ACCEPTED

input
`9` view save

correct output
`2 3 4 5 6 7 8 1 1 3 4 5 6 7 8 2 1 2 4 5 6 7 8 2 3 1 3 5 6 7 8 2 3 4 1 4 6 7 8 2 3 4 5 1 5 ...` view save

user output
`5 2 5 5 2 2 3 5 5 1 6 1 8 2 3 4 7 5 1 1 2 1 3 8 3 6 7 2 2 4 3 4 5 6 7 7 2 3 1 4 7 6 7 4 8 ...` view save

Test 9

Group: 1

Verdict: ACCEPTED

input
`10` view save

correct output
`2 3 4 5 6 7 8 9 1 1 3 4 5 6 7 8 9 2 1 2 4 5 6 7 8 9 2 3 1 3 5 6 7 8 9 2 3 4 1 4 6 7 8 9 2 3 4 5 1 5 ...` view save

user output
`1 1 1 1 2 2 3 3 4 5 1 1 1 2 2 3 3 4 5 6 1 1 2 2 3 4 4 5 6 7 1 2 2 3 4 4 5 6 7 8 2 2 3 4 5 5 6 7 8 8 ...` view save

Test 10

Group: 2

Verdict: ACCEPTED

input
`3` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 11

Group: 2

Verdict: ACCEPTED

input
`4` view save

correct output
`3 4 3 4 3 1 1 2 4 4 3 2 2 2 1 1` view save

user output
`2 1 3 1 4 2 3 2 4 3 4 1 4 2 3 1` view save

Test 12

Group: 2

Verdict: ACCEPTED

input
`29` view save

correct output
`2 3 4 5 6 7 8 9 10 11 12 13 14...` view save

user output
`1 1 1 1 1 1 1 1 2 2 2 3 3 4 4 ...` view save

Test 13

Group: 2

Verdict: ACCEPTED

input
`48` view save

correct output
`2 3 4 5 6 7 8 9 10 11 12 13 14...` view save

user output
`1 1 1 1 1 1 1 1 1 1 2 2 2 2 3 ...` view save

Test 14

Group: 2

Verdict: ACCEPTED

input
`80` view save

correct output
`2 3 4 5 6 7 8 9 10 11 12 13 14...` view save

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 ...` view save

Test 15

Group: 2

Verdict: ACCEPTED

input
`97` view save

correct output
`2 3 4 5 6 7 8 9 10 11 12 13 14...` view save

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 ...` view save

Test 16

Group: 3

Verdict: ACCEPTED

input
`3` view save

correct output
`QAQ` view save

user output
`QAQ` view save

Test 17

Group: 3

Verdict: ACCEPTED

input
`4` view save

correct output
`3 4 3 4 3 1 1 2 4 4 3 2 2 2 1 1` view save

user output
`2 1 3 1 4 2 3 2 4 3 4 1 4 2 3 1` view save

Test 18

Group: 3

Verdict: ACCEPTED

input
`111` view save

correct output
`2 3 4 5 6 7 8 9 10 11 12 13 14...` view save

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

Test 19

Group: 3

Verdict: ACCEPTED

input
`506` view save

correct output
`2 3 4 5 6 7 8 9 10 11 12 13 14...` view save

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

Test 20

Group: 3

Verdict: ACCEPTED

input
`844` view save

correct output
`2 3 4 5 6 7 8 9 10 11 12 13 14...` view save

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

Test 21

Group: 3

Verdict: ACCEPTED

input
`991` view save

correct output
`2 3 4 5 6 7 8 9 10 11 12 13 14...` view save

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

Datatähti Open 2017

Grid

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Tasks

Submissions (cuber2460)