[JAVA] a006. 一元二次方程式

[JAVA] a003. 兩光法師占卜術

[JAVA] a001. 哈囉

[JAVA] a005. Eva 的回家作業

[JAVA] a004: 文文的求婚

[JAVA] a002: 簡易加法

d098: Stringstream運用練習(C++)

c002. f91

Failed d561. 被秒殺的四捨五入

d018. 字串讀取練習

#include 

#include 

#include 

using namespace std;



const int SIZE = 3000;



int main()

{

	char input[SIZE];

	while(cin.getline(input,SIZE))

	{

		double sum=0;

		char* pch;

		pch = strtok(input," :");

		while(pch !=NULL)

		{

			bool IsOdd;

			if((int)atoi(pch)%2==1)

				IsOdd=1;

			else IsOdd=0;



			pch = strtok(NULL," :");

			

			if(IsOdd)

				sum += atof(pch);

			else

				sum -= atof(pch);



			pch = strtok(NULL," :");

		}



		cout<	}

	return 0;

}

d098: Stringstream運用練習(C++)

#include 

#include 

#include 

using namespace std;



bool IsAllInt(string str);





int main()

{

	string input;

	

    while(getline(cin,input))

	{

		int sum=0;

		stringstream stream(input);

		

		while(stream)

		{

			string word;

			stream>>word;

			if(IsAllInt(word))

			{

				sum += atoi(word.c_str());

			}

		}

		cout<	}

    return 0;

}



bool IsAllInt(string str)

{

	for(int i=0;i	{

		if(!isdigit(str[i]))

			return 0;

	}

	return 1;

}

d583. 幼稚的企鵝

#include



using namespace std;



int main()

{

    int n;

    

    while(cin >> n)

    {

        for(int i=1; i<=n; i++)

        {

            int temp;

            cin >> temp;

            cout << i << " ";

        }            

        cout << endl;

    }

}

d635. 幸運777？luck

#include 

using namespace std;

int main() {

	int input;

	while(cin>>input)

	{

		if(input<0)

		{

			cout<<"-1"<			break;

		}

		cout<	}



    return 0;

}

d649. 數字三角形

#include 

#include 

#include   //格式控制

#include 

using namespace std;

int main() {

	int input;

	while(cin>>input)

	{

		string str;

		for(int i=1;i<=input;i++)

		{

			str +='+';

			cout.setf(ios::right);

			cout << setw(input) << setfill('_') << str<		}

		cout<	}



    return 0;

}

d059. 數學函數練習

#include 

#include 

#include   //格式控制

using namespace std;

int main() {

    double a,b;

    cin>>a>>b;

    cout << pow(a,b) << endl ; //a 的 b 次方 

    

	double c;

	cin>>c;

    cout << fixed << setprecision(3) << sqrt(c) << endl ;

    

	int d;

	cin>>d;

    cout<

	int e,f;

    cin>>e>>f;

    cout<<(rand()%(f-e))+e << endl ;



    return 0;

}

d532. 文文的求婚 (三)

#include 

using namespace std;



int main() 

{

	int a,b,count=0;

	cin>>a>>b;

	for(int year=a;year<=b;year++)

	{

		if((year%4==0 && year%100!=0) || (year%400==0))

			count++;

	}

	cout<

	return 0;

}

d559. 班號

#include 

using namespace std;



int main() 

{

	int input;

	while(cin>>input)

	{

		cout<<"'C' can use printf(\"%d\",n); to show integer like "<	}



	return 0;

}

d827. 買鉛筆

#include 

using namespace std;



int main() 

{

	int input,dozens,singles,output;

	cin>>input;



	dozens = input/12;

	singles = input%12;



	output = dozens*50+singles*5;

	cout<	return 0;

}

d122. Oh! My Zero!!

#include 

using namespace std;



int main() 

{

    long input;

    

    while(cin>>input)

    {

        long output = 0;

        while(input>4)

		{

			input/=5;

			output +=input;

		}

		cout<    }

    return 0;

}

d489. 伏林的三角地

#include

//海龍公式 

using namespace std;



int main()

{

	

    int a,b,c;

    cin >> a >> b >> c;

    

    long long int ans = (long long int)(a+b+c)*(b+c-a)*(a+c-b)*(a+b-c);

	

    cout <<  ans/16 << endl;

	return 0;

}