CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali
Sender:MojoLake
Submission time:2021-10-06 12:24:05 +0300
Language:C++11
Status:READY
Result:35
Feedback
groupverdictscore
#1ACCEPTED15
#2ACCEPTED20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
#2ACCEPTED0.01 s2details
#30.01 s3details

Code

#include <iostream>

using namespace std;

int main(){

    int n, t; cin >> n >> t;
    long long int ns[n+1][n+1] = {0};
    int y, x; y = x = 1;
    char dir = 'd';
    long long int max_dir = n-1, max_left = n-1;
    bool dec = 1;

    for(long long int i = 1; i <= n * n; ++i){
        ns[y][x] = i;
        switch(dir){
            case 'u':
                --y;
                break;
            case 'r':
                ++x;
                break;
            case 'd':
                ++y;
                break;
            case 'l':
                --x;
                break;
        }
        if(i == max_dir){
            max_dir += max_left;
            if(dec){
                dec = 0;
            }
            else{dec = 1;
                --max_left;}
            switch(dir){
                case 'd':
                    dir = 'r';
                    break;
                case 'r':
                    dir = 'u';
                    break;
                case 'u':
                    dir = 'l';
                    break;
                case 'l':
                    dir = 'd';
                    break;

            }


        }

    }
    while(t--){
        cin >> y >> x;
        cout << ns[y][x] << "\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:

input
1000000000 1000
177757853 827347032
409613589 419171337
739269360 256524697
328695530 896842209
...

correct output
571375684522141210
967321186816598569
762879105851175000
370065046779516790
936897883750373771
...

user output
(empty)