CSES - Datatähti 2022 alku - Results
Submission details
Task:Spiraali (Spiral)
Sender:shmoul
Submission time:2021-10-05 19:05:44
Language:C++11
Status:COMPILE ERROR

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:14:26: error: 'fmin' was not declared in this scope
   int TargetLayer = fmin(fmin(x,SpiralSize-x+1),fmin(y,SpiralSize-y+1));
                          ^~~~
input/code.cpp:14:26: note: suggested alternative: 'main'
   int TargetLayer = fmin(fmin(x,SpiralSize-x+1),fmin(y,SpiralSize-y+1));
                          ^~~~
                          main
input/code.cpp:14:21: error: 'fmin' was not declared in this scope
   int TargetLayer = fmin(fmin(x,SpiralSize-x+1),fmin(y,SpiralSize-y+1));
                     ^~~~
input/code.cpp:14:21: note: suggested alternative: 'main'
   int TargetLayer = fmin(fmin(x,SpiralSize-x+1),fmin(y,SpiralSize-y+1));
                     ^~~~
                     main
input/code.cpp:21:8: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(y!=SpiralSize-TargetLayer+1) //is not bottom side?
       ~^~~~~~~~~~~~~~~~~~~~~~~~~~
input/code.cpp:24:9: warning: compari

Code

#include <iostream>
#include <list>
int main()
{
	int TestCases;
	unsigned long long SpiralSize;
	std::cin>>SpiralSize>>TestCases;
	std::list<unsigned long long> Answers;
	for(int i=0;i<TestCases;i++)
	{
		int x, y;
		std::cin>>x>>y;
		unsigned long long Answer = 0;
		int TargetLayer = fmin(fmin(x,SpiralSize-x+1),fmin(y,SpiralSize-y+1));
		//if(TargetLayer>SpiralSize/2) TargetLayer-=SpiralSize/2;
		unsigned 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));
					//Answer+=SpiralSize-x-1;
				}
				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(unsigned long long ans : Answers)
	{
		std::cout<<ans<<std::endl;		
	}
	return 0;
}