CSES - DatatÃ¤hti 2022 alku - Results
 Task: Spiraali (Spiral) Sender: Kargeri Submission time: 2021-10-07 17:17:31 Language: C++17 Status: READY Result: 0
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#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];
}

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;
}
}

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

return 0;
}
```

### Test details

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
...