CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali (Spiral)
Sender:shmoul
Submission time:2021-10-05 19:21:45
Language:C++17
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED15
#2ACCEPTED20
#3ACCEPTED65
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1details
#2ACCEPTED0.01 s2details
#3ACCEPTED0.01 s3details

Code

#include <iostream>
#include <list>
#include <cmath>
int main()
{
	int TestCases;
	long long SpiralSize;
	std::cin>>SpiralSize>>TestCases;
	std::list<long long> Answers;
	for(int i=0;i<TestCases;i++)
	{
		int x, y;
		std::cin>>y>>x;
		long long Answer = 0;
		int TargetLayer = fmin(fmin(x,SpiralSize-x+1),fmin(y,SpiralSize-y+1));
		long long TargetLayerSize = SpiralSize-((TargetLayer-1)*2);
		Answer += SpiralSize*SpiralSize-TargetLayerSize*TargetLayerSize;
		if(x!=TargetLayer) //is not on left side?
		{
			Answer+=TargetLayerSize;
			if(y!=SpiralSize-TargetLayer+1) //is not bottom side?
			{
				Answer+=TargetLayerSize-1;
				if(x!=SpiralSize-TargetLayer+1) //is not on top side?
				{
					Answer+=TargetLayerSize-1;
							
					Answer+=TargetLayerSize-(x-((SpiralSize-TargetLayerSize)/2));
				}
				else //is right side
				{
					Answer+=TargetLayerSize-(y-((SpiralSize-TargetLayerSize)/2));
				}
			}
			else //is bottom side
			{
				Answer+=x-1-((SpiralSize-TargetLayerSize)/2);
			}
		}
		else //is left side
		{
			Answer+=y+1-TargetLayer;
		}
		Answers.push_back(Answer);
	}
	for(long long ans : Answers)
	{
		std::cout<<ans<<std::endl;		
	}
	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
...