CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali
Sender:MojoLake
Submission time:2021-10-07 01:59:06
Language:C++11
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED15
#2ACCEPTED20
#3ACCEPTED65
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
#2ACCEPTED0.01 s2details
#3ACCEPTED0.01 s3details

Compiler report

input/code.cpp:25:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^

Code

#include <iostream>
#include <cmath>
#define int long long
using namespace std;

int find_ans(int y, int x){
    int ind = 0;
    if(x * x >= y*y){
        ind = 4 * x * x + x + y + 1;
        if(x > y){
            ind += 2 * (x-y);
        }
        }
    else{
        ind = 4 * y * y + x + y +1;
        if(x > y){
            ind -= 2 * (x-y);
        }
    }


    return ind;
}

main()
{
    int n, t; cin >> n >> t;
    while(t--){
        int y, x; cin >> y >> x;
        x = x - (n/2+1);
        if(y == n/2)y = 0;
        else if(y < n/2){
            y = -1 * (y-n/2);
        }
        else{
            y = -1 * (y-n/2);
        }
        cout << n*n - find_ans(y, x) +1 << "\n";
    }









    return 0;
}

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: ACCEPTED

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
...