CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali
Sender:Sahari Kempo
Submission time:2021-10-10 21:24:27 +0300
Language:C++17
Status:READY
Result:35
Feedback
groupverdictscore
#1ACCEPTED15
#2ACCEPTED20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
#2ACCEPTED0.02 s2details
#30.01 s3details

Code

#include <math.h>
#include <iostream>
#include <vector>
# define L long long
using namespace std;



int main()
{
	L n, t, x = 1, i, y;
	int p = 0;
	cin >> n >> t;
	vector<vector<L>> m(1);
	m.resize(n);
	y = m.size();
	for (i = 0; i < y; i++) m[i].resize(n);

	int b = 0;
	n -= 1;
	while (x <= pow(n + 1, 2))
	{
		for (i = 0; i <= n; i++) {
			if (b == 0) {
				if (m[i][p] == 0) m[i][p] = x;
				else x--;
			}
			else if (b == 1) {
				if (m[n - p][i] == 0) m[n - p][i] = x;
				else x--;
			}
			else if (b == 2) {
				if (m[n - i][n - p] == 0) m[n - i][n - p] = x;
				else x--;
			}
			else if (b == 3) {
				if (m[p][n - i] == 0) m[p][n - i] = x;
				else x--;
			}
			x++;
		}
		if (b == 3) {
			b = 0;
			p++;
		}
		else b++;
		if (p > n) p = n;
	}

	vector<L> l;
	y = 0;
	for (i = 0; i < t; i++)
	{
		cin >> x >> y;
		l.push_back(m[x - 1][y - 1]);
	}

	for (i = 0; i < t; i++)
	{
		cout << l[i] << "\n";
	}
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
10 100
1 1
1 2
1 3
1 4
...

correct output
1
36
35
34
33
...

user output
1
36
35
34
33
...

Test 2

Group: 2

Verdict: ACCEPTED

input
1000 1000
371 263
915 322
946 880
53 738
...

correct output
773533
312166
206053
200080
593922
...

user output
773533
312166
206053
200080
593922
...

Test 3

Group: 3

Verdict:

input
1000000000 1000
177757853 827347032
409613589 419171337
739269360 256524697
328695530 896842209
...

correct output
571375684522141210
967321186816598569
762879105851175000
370065046779516790
936897883750373771
...

user output
(empty)

Error:
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc