Submission #334095

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Source Code Expand

#include <stdio.h>
#include <string.h>
#include <vector>
#include <map>
#include <set>


class ContestBase
{
public:
	ContestBase(){}
	virtual ~ContestBase(){}

public:
	virtual void Read() = 0;
	virtual int Exec() = 0;
	virtual void Put() = 0;
};

class Contest : public ContestBase
{
public:
	int Y;
	int M;
	int D;

public:
	Contest()
	: ContestBase()
	, Y( 0 )
	, M( 0 )
	, D( 0 )
	{}

	virtual ~Contest()
	{}

public:
	virtual void Read()
	{
		scanf( "%d/%d/%d", &Y, &M, &D );
	}

	virtual int Exec()
	{
		while(!IsDevide())
		{
			NextDate();
		}

		return 0;
	}

	bool IsDevide()
	{
		if( 0 == ( Y % ( M * D ) ) )
		{
			return true;
		}
		else
		{
			return false;
		}
	}

	void NextDate()
	{
		D++;

		int lastDay[] =
		{
			0,	31,	28,	31,	30,	31,	30,	31,	31,	30,	31,	30,	31
		};
		int lastDay2[] =
		{
			0,	31,	29,	31,	30,	31,	30,	31,	31,	30,	31,	30,	31
		};

		if( IsLeap( Y ) )
		{
			if( D > lastDay2[ M ] )
			{
				M++;
				D = 1;
			}
		}
		else
		{
			if( D > lastDay[ M ] )
			{
				M++;
				D = 1;
			}
		}

		if( M > 12 )
		{
			Y++;
			M = 1;
		}
	}

	bool IsLeap( int y )
	{
		if( 0 == ( y % 4 ) )
		{
			if( 0 == ( y % 100 ) )
			{
				if( 0 == ( y % 400 ) )
				{
					return true;
				}
			}
			else
			{
				return true;
			}
		}
		return false;
	}

	virtual void Put()
	{
		printf("%4d/%02d/%02d\n", Y, M, D );
	}

};


int main(int argc, char** argv)
{
	ContestBase* con = new Contest();
	con->Read();
	while( con->Exec() ){};
	con->Put();

	delete con;

	return 0;

}

Submission Info

Compile Error

./Main.cpp: In member function ‘virtual void Contest::Read()’:
./Main.cpp:41:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result