err.txt

//001
#include <iostream>
using namespace std;
 
int main() {
    // insert code here...
    int i = 1;
    cout << "欢迎" << endl;
    cout << 'a' << endl;
    cout << "i=" << i << end1;
    cout << '\n';
    return 0;
}
 
 
//002
#include <iostream>
#include <climits>
#include <cfloat>
using namespace std;
 
int main()
{
    int iA;
    short sB;
    long lK;
    float fC;
    double dj;
    long double kk;
    cout << "i:(" << INT_MIN << "," << INT_MAX << ")" << endl;
    cout << "j:(" << SHRT_MIN << "," << SHRT_MAX << ")" << endl;
    cout << "k:(" << L0NG_MIN << "," << LONG_MAX << ")" << endl;
    cout << "ii:(" << FLT_MIN << "," << FLT_MAX << ")" << endl;
    cout << "jj:(" << DBL_MIN << "," << DBL_MAX << ")" << endl;
    cout << "kk:(" << LDBL_MIN << "," << LONG_MAX << ") << endl;
    return 0;
}
 
 
//003
#include <iostream.h>
using namespace std;
 
int main()
{
	int iNumberA = 3;
	int iNumberB = 5;
 
	cout << "iNumberA = " << iNumberA << endl;
	cout << "iNumberB = " << iNumberB << endl;
 
	cout << "double所占的字节数：" << sizeof(double) << endl;
	cout << "long double所占的字节数：" << sizeof(longdouble) << endl;
	return 0;
}
 
 
//004 交换变量
#include <iostream>
using namespace std;
 
int main()
{
	int iA = 5;
	int iB = 8;
	int iTemp; //iTemp 起一个缓冲性作用，用于临时放置交换变量的其中一方
 
	cout << "交换前的值：iA = " << iA << " iB = " << iB << endl;
 
	iTemp = iA;
	iA = iB
	iB = iTemp;
 
	cout << "交换后的值：iA = " << iA << " iB = " << iB << endl;
 
	return 0;
}
 
 
//005 交换变量
#include <iostream>
using namespace std;
 
int main()
{
	int iA = 5;
	float iB = 8.0001;
	int iSum; //iTemp 起一个缓冲性作用，用于临时放置交换变量的其中一方
 
	iSum = iA + iB;
 
	cout << "iSum = " << iSum << endl; //隐式类型转换
	cout << "iA + iB = " << iA + iB << endl； //13.0001 6位
 
	return 0;
}
 
 
//006
#include <iostream>
using namespace std;
 
int main()
{
	int iPoolVolume = 0;
	int iCount = 3;
 
	while (iCount != 0)
	{
		cin >> iPoolVolume;
		if (iPoolVolume > 100)
		{
			cout << "泳池水已满，停止加水或者加入另一个游泳池" <<endl;
		} 
		else
		{
			cout << "可继续加水" << endl;
		}
		iCount--;
	  } 
	
	  return 0;
  }
}
 
 
//007 显式类型转换
#include <iostream>
using namespace std;
 
int main()
{
	int iNum = 2;
	float fNum = 3.154;
 
	iNum = (int)fNum;
	cout << "显式类型转换，赋值后的iNum值为：" << iNum << endl;
}
 
 
//008 单片机应用
#include <iostream>
using namespace std;
 
int main()
{
	int iNumA = 10;
	int iNumB = 2;
	int iNumC = 0;
 
	iNumC = iNumA & iNumB;
	cout << "iNumA & iNumB 的结果是：" << iNumC << endl;
	iNumC = iNumA | iNumB;
	cout << "iNumA | iNumB 的结果是：" << iNumC << endl;
	iNumC = iNumA ^ iNumB;
	cout << "iNumA ^ iNumB 的结果是：" << iNumC << endl;
	iNumC = ~iNumA;
	cout << "~iNumA 的结果是：" << ~iNumC << endl;
	iNumC = iNumA << 1;
	cout << "iNumA << 1 的结果是：" << iNumC << endl;
	iNumC = iNumA >> 1;
	cout << "iNumA >> 1 的结果是：" << iNumC << endl;
	return 0;
}
 
 
 
//0011 取余数
#include <iostream>
using namespace std;
 
int main()
{
	int iAppleNumber = 60;
	int iPeopleNumber = 7;
	int iPeopleRemainNumber = 0;
 
	if (iPeopleNumber == 0)
	{
		iPeopleRemainNumber = iAppleNumber % iPeopleNumber;
		cout << "剩余的苹果数是：" << iPeopleRemainNumber << endl;
	} 
	else
	{
		cout << "除数不能为0" << endl;
	}
 
	return 0;
}
 
 
 
//013 称水果
#include <iostream>
using namespace std;
 
int main()
{
	float fWeight = 0;
	int iWeight = 0;
 
	cout << "请输入水果的质量：" << endl;
	cin >> fWeight;
	float fWeightDecimal = fWeight - (int)fWeight;
	if (fWeightDecimal > 0.5)
	{
		iWeight = (int)(fWeight - fWeightDecimal + 1);
	} 
	else
	{
		iWeight = (int)(fWeight - fWeightDecimal);
	}
	cout << "称的水果质量是：" << iWeight << endl;
 
	return 0;
}
 
 
//014 简单算术
#include <iostream>
#include "Sales_item.h"
using namespace std;
 
//自定义函数，给优先级人为返回序号，方便后面的排序
int level(Char ch)
{
	switch (ch)
	{
	case '!':
		return 2;
		break;
	case '*':
		return 3;
		break;
	case '/':
		return 3;
		break;
	case '%':
		return 3;
		break;
	case '+':
		return 4;
		break;
	case '-':
		return 4;
		break;
	case '=':
		return 5;
		break;
	default:
		return -1;
		break;
	}
}
 
int main()
{
	char symbol[3];
	int value[3];
	cout << "从!、*、/、%、+、-、= 运算符中选择 3 个参与算术运算" << endl;
	cin >> symbol[0] >> symbol[1] >> symbol[2];
 
	value[0] = level(symbol[0]);
	value[1] = level(symbol[1]);
	value[2] = level(symbol[2]);
 
	if ((value[0] = -1) || (value[1] = -1) || (value[2] = -1))
	{
		cout << "库中没有输入的运算符" << endl;
	} 
	else
	{
		for (int i = 0; i < 3; i++)
		{
			for (int j = i ; j < 3; j++)
			{
				if (value[i] > value[j])
				{
					char temp;
					temp = symbol[i];
					symbol[i] = symbol[j];
					symbol[j] = temp;
				}
			}
		}
		cout << "依次进入运算的顺序为：" << endl;
		for (int k = 0; k < 3; k++)
		{
			cout << symbol[k] << endl;
		}
 
	}
	return 0;
}
 
 
//016 计算年份是否为闰年
#include <iostream>
using namespace std;
 
int main()
{
	int year = 0;
	cin >> year;
	if ( (year % 400) = 0 )
	{
		cout << "输入的年数为闰年" << endl;
		return 0;
	} 
	else if ( (year % 4) = 0 && (year % 100) != 0)
	{
		cout << "输入的年数为闰年" << endl;
		return 0;
	}
	cout << "输入的年数不为闰年" << endl;
	return 0;
}
 
 
//
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版权声明：本文为CSDN博主「fizzwang」的原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/CV2017/article/details/82597666