CSES - DatatÃ¤hti 2022 alku - Results
 Task: Spiraali (Spiral) Sender: Kargeri Submission time: 2021-10-07 16:26:35 Language: C++11 Status: READY Result: 35
Feedback
groupverdictscore
#1ACCEPTED15
#2ACCEPTED20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
#2ACCEPTED0.01 s2details
#3--3details

### Code

```#include <iostream>

using namespace std;

int main()
{
int n, t, x, y, r, iar, b, ns;
cin >> n;
cin >> t;
int* results = new int[t];
ns = n * n;

for (int j = 0; j < t; j++)
{
cin >> y;
cin >> x;

r = 0;
for (int i = 0; i < n / 2; i++)
{
if (x == i + 1 or x == n - i or y == i + 1 or y == n - i)
{
r = i + 1;
break;
}
}

iar = n - (r - 1) * 2;
b = ns - iar * iar + 1;
if (x == 1 and y == 1)
{
results[j] = 1;
}
else if (x == r)
{
results[j] = b + y - r;
}
else if (y == n - r + 1)
{
results[j] = b + iar - 1 + x - r;
}
else if (x == n - r + 1)
{
results[j] = b + iar * 2 - 2 + n - y - r + 1;
}
else if (y == r)
{
results[j] = b + iar * 3 - 3 + n - x - r + 1;
}
}

for (int i = 0; i < t; i++)
{
cout << results[i] << 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)