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Console.WriteLine("请输入一个三位数:");
int num = int.Parse(Console.ReadLine());
int num1 = num / 100;
int num2 = num / 10 % 10;
int num3 = num % 10;
if (num1 * num1 * num1 + num2 * num2 * num2 + num3 * num3 * num3 == num)
{
Console.WriteLine("{0}是一个水仙花数", num);
}
else
{
Console.WriteLine("{0}不是一个水仙花数", num);
}
Console.WriteLine("请输入一个数:");
int x = int.Parse(Console.ReadLine());
if (x >= 0)
{
Console.WriteLine("这个数的绝对值是" + x);
}
else
{
x = -x;
Console.WriteLine("这个数的绝对值是" + x);
}
Console.WriteLine("请输入一个数字:"); int a = int.Parse(Console.ReadLine()); if (a > 0 && a < 10) { Console.WriteLine(a + "是个一位数"); } else if (a >= 10 && a < 100) { Console.WriteLine(a + "是个两位数"); } else if (a >= 100 && a < 1000) { Console.WriteLine(a + "是个三位数"); } else if (a >= 1000 && a < 10000) { Console.WriteLine(a + "是个四位数"); } else { Console.WriteLine("请输入正确的数字!"); }
Console.WriteLine("请输入两个数字和运算符:"); int x = int.Parse(Console.ReadLine()); int y = int.Parse(Console.ReadLine()); char z = char.Parse(Console.ReadLine()); switch (z) { case '+': Console.WriteLine("{0}+{1}={2}", x, y, x + y); break; case '-': Console.WriteLine("{0}-{1}={2}", x, y, x - y); break; case '*': Console.WriteLine("{0}*{1}={2}", x, y, x * y); break; case '/': Console.WriteLine("{0}/{1}={2}", x, y, x / y); break;
Console.WriteLine("请输入学生成绩:"); int grade = int.Parse(Console.ReadLine()); if (grade >= 90) { Console.WriteLine("成绩等级为:A"); } else if (grade >= 80 && grade < 90) { Console.WriteLine("成绩等级为:B"); } else if (grade >= 70 && grade < 80) { Console.WriteLine("成绩等级为:B"); } else if (grade >= 60 && grade < 70) { Console.WriteLine("成绩等级为:B"); } else if (grade >= 0 && grade < 60) { Console.WriteLine("成绩等级为:E"); } else { Console.WriteLine("请输入正确的成绩!"); }
Console.WriteLine("请输入员工的年工资:"); int sum = int.Parse(Console.ReadLine()); Console.WriteLine("请输入员工类型:"); char type = char.Parse(Console.ReadLine()); if (type == 'A') { Console.WriteLine("该员工的年终奖是" + sum * 0.3); } else if (type == 'B') { Console.WriteLine("该员工的年终奖是" + sum * 0.25); } else if (type == 'C') { Console.WriteLine("该员工的年终奖是" + sum * 0.2); } else if (type == 'D') { Console.WriteLine("该员工的年终奖是" + sum * 0.15); } else { Console.WriteLine("请输入正确的员工类型!"); }
Console.WriteLine("请输入年份:"); int year = int.Parse(Console.ReadLine()); Console.WriteLine("请输入月份:"); int month = int.Parse(Console.ReadLine()); switch (month) { case 1: case 3: case 5: case 7: case 8: case 10: case 12: Console.WriteLine("{0}月有31天", month); break; case 4: case 6: case 9: case 11: Console.WriteLine("{0}月有30天", month); break; case 2: if ((year % 4 == 0 && month % 100 != 0) || (year % 400 == 0)) { Console.WriteLine("{0}月有29天", month); } else { Console.WriteLine("{0}月有28天", month); } break; }
Console.WriteLine("请输入学生成绩(0-100):"); int a = int.Parse(Console.ReadLine()); if (a >= 90) { Console.WriteLine("成绩为优"); } else if (a >= 80 && a < 90) { Console.WriteLine("成绩为良"); } else if (a >= 70 && a < 80) { Console.WriteLine("成绩为中"); } else if (a >= 60 && a < 70) { Console.WriteLine("成绩为及格"); } else { Console.WriteLine("成绩为不及格"); }
Console.WriteLine("请输入十个数:");
int i = 1;
int sum = 0;
do
{
int num = int.Parse(Console.ReadLine());
sum += num;
i++;
} while (i <= 10);
Console.WriteLine("这十个数的和为:" + sum);
Console.WriteLine("请输入用户名:"); string name = Console.ReadLine(); Console.WriteLine("请输入密码:"); string code = Console.ReadLine(); int i = 1; if (code != "123456") { while (code != "123456") { Console.WriteLine("密码错误,请重试!"); code = Console.ReadLine(); i++; if (code == "123456") { Console.WriteLine("登陆成功!"); break; } else if (i >= 3) { Console.WriteLine("今日错误次数已达上限!"); break; } } } else { Console.WriteLine("登陆成功!"); }
int x = 1, y = 1, z = 0;
for (int i = 1; x + y < 100; i++)
{
z = x + y;
x = y;
y = z;
}
Console.WriteLine(z);
int i = 2;
while (true)
{
if (i % 2 == 1 && i % 3 == 1 && i % 4 == 1)
{
break;
}
i++;
}
Console.WriteLine("这个篮子里有" + i + "个鸡蛋");
for (int i = 1; i <= 9; i++)
{
for (int j = 1; j <= i; j++)
{
Console.Write("{0}*{1}={2}\t", j, i, j * i);
}
Console.WriteLine();
}
Console.WriteLine("请输入十名同学的成绩:"); int[] a = new int[10]; int max = a[0]; int sum = 0; for (int i = 0; i < a.Length; i++) { int x = int.Parse(Console.ReadLine()); a[i] = x; if (a[i] >= max) { max = a[i]; } sum += a[i]; } int min = a[0]; for (int i = 0; i < a.Length; i++) { if (a[i] <= min) { min = a[i]; } } Console.WriteLine("最高分是:{0},最低分是:{1},平均分是:{2}", max, min, sum / 10);
Console.WriteLine("请输入十个数:"); int sum = 0, sum1 = 0; for (int i = 1; i <= 10; i++) { int num = int.Parse(Console.ReadLine()); if (num >= 0) { sum += num; } else { sum1 += num; } } Console.WriteLine("正数和:" + sum); Console.WriteLine("负数和:" + sum1);
Console.WriteLine("请输入十个数:");
int[] a = new int[10];
for (int i = 0; i < a.Length; i++)
{
a[i] = int.Parse(Console.ReadLine());
}
Console.WriteLine("逆序的是:");
for (int k = 9; k >= 0; k--)
{
Console.WriteLine(a[k]);
}
int[] num = new int[] { 3, 6, 1, 5, 2, 10, 9, 8, 4, 7 }; int t; for (int i = 0; i < 10; i++) { for (int j = 0; j < 9; j++) { if (num[j] > num[i]) { t = num[j]; num[j] = num[i]; num[i] = t; } } } Console.WriteLine("从小到大排列是:"); for (int k = 0; k < 10; k++) { Console.WriteLine(num[k]); }
Console.WriteLine("请输入一个数:"); int n = int.Parse(Console.ReadLine()); while (true) { if (n >= 0) { for (int i = 1; i < n; i++) { Console.WriteLine(i); } } else { break; } n = int.Parse(Console.ReadLine()); }
int sum = 0;
for (int i = 1; i <= 100; i++)
{
if (i % 3 == 0 && i % 5 != 0)
{
sum += i;
}
}
Console.WriteLine(sum);
Console.WriteLine("请输入行数:");
int row = int.Parse(Console.ReadLine());
for (int i = 1; i <= row; i++)
{
for (int j = 1; j <= row - i; j++)
{
Console.Write(" ");
}
for (int k = 1; k <= 2 * i - 1; k++)
{
Console.Write("*");
}
Console.WriteLine();
}
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