CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali (Spiral)
Sender:Kargeri
Submission time:2021-10-07 17:14:39
Language:C++11
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.01 s1details
#20.01 s2details
#30.01 s3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:8:34: warning: variable 'nh' set but not used [-Wunused-but-set-variable]
  long n, t, x, y, r, iar, b, ns, nh;
                                  ^~

Code

#include <iostream>
//#include <chrono>

using namespace std;

int main()
{
	long n, t, x, y, r, iar, b, ns, nh;
	cin >> n;
	cin >> t;
    long* xes = new long[t];
    long* yes = new long[t];
    ns = n * n;
    nh = n / 2;

    for (int i = 0; i < t; i++)
    {
        cin >> yes[i];
        cin >> xes[i];
    }

    //auto start = std::chrono::steady_clock::now();

	for (int j = 0; j < t; j++)
	{
		y = yes[j];
		x = xes[j];

        r = 0;
        if (y > x)
        {
            if (x < n - y)
            {
                r = x;
            }
            else
            {
                r = n - y;
            }
        }
        else
        {
            if (y < n - x)
            {
                r = y;
            }
            else
            {
                r = n - x + 1;
            }
        }
        //cout << endl << "ring: " << r << endl;
                
        iar = n - (r - 1) * 2;
        b = ns - iar * iar + 1;
        if (x == 1 and y == 1)
        {
            cout << 1 << endl;
        }
        else if (x == r)
        {
            cout << b + y - r << endl;
        }
        else if (y == n - r + 1)
        {
            cout << b + iar - 1 + x - r << endl;
        }
        else if (x == n - r + 1)
        {
            cout << b + iar * 2 - 2 + n - y - r + 1 << endl;
        }
        else if (y == r)
        {
            cout << b + iar * 3 - 3 + n - x - r + 1 << endl;
        }
        else
        {
            cout << "umm.. error: x: " << x << " y: " << y << endl;
            return 1;
        }
	}

    //auto end = std::chrono::steady_clock::now();
    //std::chrono::duration<double> elapsed_seconds = end - start;
    //std::cout << "elapsed time to compute: " << elapsed_seconds.count() << "s\n";

    return 0;
} 

Test details

Test 1

Group: 1

Verdict:

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:

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

correct output
773533
312166
206053
200080
593922
...

user output
773533
umm.. error: x: 322 y: 915

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
571375684522141210
967321186816598569
762879105851175000
370065046779516790
936897883750373771
...