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;

}

d277. 矩形对角线

#include 

using namespace std;



int main()

{

    int n;

    while(cin >> n)

    {

        if(n%2==0)

            cout << n << endl;

        else

            cout << n-1 << endl;

    }

}

d461. 班際籃球賽

#include 

using namespace std;



int main() 

{

	int a;

	cin>>a;

	cout<<(a-1);



    return 0;

}

d124. 3的倍数

#include 

#include 

using namespace std;



int main() 

{

	string str="0";

	int input;



	while(getline(cin,str))

	{

		int sum=0;

		for(int i=0;i		{

			sum += str[i];

			sum = sum%3;

		}

		if(sum==0)

			cout<<"yes"<		else

			cout<<"no"<

	}



    return 0;

}

d086. 態度之重要的證明

#include 

using namespace std;

#include 



int main()

{

	

	string str;

	while(cin>>str)

	{

		int size=0,points=0,allchar=1;

		size=str.size();

		if(size==1 && str[0]=='0')

		{

			break;

		}

		for(int i=0;i		{

			if(!isalpha(str[i]))

			{

				allchar=0;

				break;

			}

			char a;

			a=str[i];

			a=tolower(a);

			points += a-'a'+1;

		}

		if(allchar)  

			cout<		else 

			cout<<"Fail"<		str.clear();



	}

	





	return 0;

}

d460. 山六九之旅

#include 

using namespace std;



int main (){

    int n ;

    while(cin >> n)

    {

        cout << (n>=0)*0+(n>=6)*590+(n>=12)*200+(n>=18)*100-(n>=60)*491<< endl ;

    }

}

a104. 排序

#include 

using namespace std;

#include 



int main()

{

	int size;

	while(cin>>size)

	{

		int arr[100000];

		for(int i=0;i		{

			cin>>arr[i];

		}

		sort(arr,arr+size);

		

		for(int i=0;i		{

			cout<		}

		cout<	}

	

	return 0;

}

d507. 三角形的判斷

#include 

using namespace std;



int main()

{

    int a,b,c;

    while(cin>>a>>b>>c)

    {

                       int sides[3]={a,b,c};

                       sort(sides,sides+3);

                       a=sides[0];

                       b=sides[1];

                       c=sides[2];

                       if( c*c > (a*a+b*b) )

                           cout<<"obtuse triangle";

                       else if(c*c < (a*a+b*b) )

                            cout<<"acute triangle";

                       else cout<<"right triangle";

                       

    }

    system("pause");

    return 0;

}

d511. 小明的作業

#include 



using namespace std;



int main()

{

	int a,b,c;

	int point=0;

	while(cin>>a>>b>>c)

	{

		int max=0,other_two=0;

		max = (a>b)? a:b;

		max = (max>c)? max:c;

		other_two = a+b+c-max;

		

		if(other_two>max)

			point++;

	}

	cout<

	//system("pause");

	return 0;

}

d491. 我也愛偶數 (swap 版)

#include 

using namespace std;

#include 





int main()

{

	int a,b;

	while(cin>>a>>b)

	{

		if(a>b)

		{

			int temp=a;

			a=b;

			b=temp;

		}

		int sum=0;

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

		{

			if(i%2==0)   //別種寫法?

				sum += i;

		}

		cout<	}

	

	return 0;

}

d490. 我也愛偶數 d485 我愛偶數

#include 

using namespace std;

#include 





int main()

{

	int a,b;

	while(cin>>a>>b)

	{

		int sum=0;

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

		{

			if(i%2==0)   //別種寫法?

				sum += i;

		}

		cout<	}

	

	return 0;

}

a040. 阿姆斯壯數

#include 

using namespace std;

#include 

#include 



bool IsArm(int thenum);



int main()

{

	int a,b;

	while(cin>>a>>b)

	{

		int flag_hasArm=0;

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

		{

			if(IsArm(num))

			{

				cout<				flag_hasArm=1;

			}

		}

		if(!flag_hasArm)

			cout<<"none";

		cout<	}





	return 0;

}





bool IsArm(int thenum)

{



	int a[100]={0},sum=0,size=0,temp=thenum;

	for(int i=0;temp!=0;i++)

	{

		a[i] = temp % 10;

		temp /= 10;

                size++;

	}



	for(int j=0;j	{

		sum += pow((float)a[j],size);

	}



	return ((sum==thenum)? 1:0);

}





/*

bool IsArm(int thenum)

{

	char buffer[100];

	//string str="0";

	itoa(thenum,buffer,10);

	string str(buffer);

	int sum=0,length=str.length();

	for(int i=0;i	{

		sum += pow(  (float)(str[i]-'0'),length);

	}

	

	return ((sum==thenum)? 1:0);

}

*/

a034. 二進位制轉換

#include 

using namespace std;

#include 



int main()

{

	string output;

	int input;

	while(cin>>input)

	{

		if (input==0)

			cout<<"0";

		while(input>0)

		{

			if(input%2==1)

				output +="1";

			else 

				output +="0";

			input/=2;

		}

		

		for(int i=output.length()-1;i>=0;i--)

		{

			cout<		}

		cout<		output.clear();

	}



	return 0;

}

a054. 電話客服中心

#include 

using namespace std;



#include 



bool CheckIsReal(int thesum,int thei);



int main()

{



	string ID;

	

	

	while (cin>>ID)

	{

		int sum=0; 

		

		for(int index=0,mul=8;mul>=1;index++,mul--)

		{

			sum += ( (ID[index]-(int)'0') * mul );

		}

		sum += (ID[8]-'0');  //最後一位數  千萬要注意'8'跟數字8是不同的！！



		for(int i=0;i<=25;i++)

		{

			if (CheckIsReal(sum,i))

				cout<<(char)(i+'A');

		}

		cout<	}

	

	

	return 0;

}



bool CheckIsReal(int thesum,int thei)

{

	int v[]= 

	{ 10, 11, 12, 13, 14, 15, 16, 17, 34, 18, 19, 20, 21,

	22, 35, 23, 24, 25, 26, 27, 28, 29, 32, 30, 31, 33};

	int temp=0;

	thesum += v[thei] / 10 ;

	thesum += (v[thei]%10)*9;

	if (thesum%10==0)

		return 1;

	else 

		return 0;

}

a020. 身分證檢驗

/*學習事項

1.使用string時，千萬注意數字與符號的數字是不同的  eg. '0' != 0

2.用cout除錯其實很好用

*/

#include 

using namespace std;



#include 



int AlphabetToInt(char letter);



int main()

{



	string ID;

	

	while (cin>>ID)

	{

		int sum=0, ch_num=0; 

		//deal with alphabet

		sum += ( AlphabetToInt(ID[0]) / 10 );

		sum += ( AlphabetToInt(ID[0]) % 10 )*9;

		//cout<<( AlphabetToInt(ID[0]) / 10 )<		//cout<<( AlphabetToInt(ID[0]) % 10 )*9<		//cout << (int)'1'<		

		for(int index=1,mul=8;mul>=1;index++,mul--)

		{

			sum += ( (ID[index]-(int)'0') * mul );

			//cout<< ID[index] << " " <<  (ID[index]-(int)'0') << " " <			//cout<		}

		//cout<		sum += (ID[9]-'0');  //最後一位數  千萬要注意'8'跟數字8是不同的！！

		//cout<		//cout<		cout<<( (sum%10==0)? "real":"fake" )<	}

	

	//system("pause");

	return 0;

}



int AlphabetToInt (char letter)

{

	int v[]= 

	{ 10, 11, 12, 13, 14, 15, 16, 17, 34, 18, 19, 20, 21,

	22, 35, 23, 24, 25, 26, 27, 28, 29, 32, 30, 31, 33};

	int i = letter - 'A';

	return v[i];

}

a058. MOD3

#include 

using namespace std;



int main()

{

	int many,num;

	int remainder0=0,remainder1=0,remainder2=0;



	cin>>many;

	for(int i=0;i	{

		int remainder=0;

		cin>>num;

		remainder = num % 3;



		switch ( remainder ) 

		{

			case 0 :

				remainder0++;

				break;

			case 1 : 

				remainder1++;

				break;

			case 2 :

				remainder2++;

				break;

			default : 

				break;

		}

	}

	cout<	return 0;



}

a065. 提款卡密碼

#include 

using namespace std;

#include 



int main()

{

	string word;

	while(cin>>word)

	{

		for(int i=0;i<6;i++)

		{

			int num;

			num=abs( (int)word[i]-(int)word[i+1] ) ;

			cout<		}

		cout<	}





	system("pause");

	return 0;



}