CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali (Spiral)
Sender:kpop
Submission time:2021-10-06 09:06:17
Language:C++11
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.01 s1details
#2--2details
#3--3details

Code

#include <bits/stdc++.h>

using namespace std;

int n, t;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n >> t;

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

        int up = y-1;
        int bottom = n-y;
        int left = x-1;
        int right = n-x;

        int dist = min(up, min(bottom, min(left, right)));
        int nth = dist+1;

        int result = 0;

        for (int j = 0; i < dist; ++j) {
            result += ((i*(-2)+n)*4)-4;
        }

        int side = n-(2*dist);

        if (dist == left) {
            cout << result+(y-nth)+1  << endl;
            continue;
        }

        result += side;

        if (dist == bottom) {
            cout << result+(x-nth) << endl;
            continue;
        }

        result += side-1;

        if (dist == right) {
            cout << result+(n-y-dist) << endl;
            continue;
        }

        result += side-1;

        if (dist == up) {
            cout << result+(n-x)-dist << endl;
            continue;
        }
    }
}

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
(empty)

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)