CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali (Spiral)
Sender:LiminalAlien
Submission time:2021-10-06 16:17:55
Language:C++11
Status:READY
Result:35
Feedback
groupverdictscore
#1ACCEPTED15
#2ACCEPTED20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
#2ACCEPTED0.25 s2details
#3--3details

Code

using namespace std;
#include <iostream>
#include <vector>
#include <map>
#define ll long long

map<pair<ll, ll>, ll> m;

int main()
{
	ll n, t;
	cin >> n >> t;
	ll y = 0, x = 1, y_y = 1, y_a = n, x_v = 1, x_o = n, d = 1;
	for (ll k = 1; k <= n * n; k++)
	{
		switch (d)
		{
			case(1):
			{
				y++;
				if (y == y_a)
				{
					x_v++; d = 2;
				}
			}
				break;
			case(2):
			{
				x++;
				if (x == x_o)
				{
					y_a--; d = 3;
				}
			}
				break;
			case(3):
			{
				y--;
				if (y == y_y)
				{
					x_o--; d = 4;
				}
			}
				break;
			case(4):
			{
				x--;
				if (x == x_v)
				{
					y_y++; d = 1;
				}
			}
				break;
		}
		m[{y, x}] = k;
	}
	for (ll i = 1; i <= t; i++)
	{
		ll y, x;
		cin >> y >> x;
		cout << m[{y, x}] << endl;
	}
}

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)