#include <iostream>
using namespace std;
int main()
{
int a, b, c, temp, max;
cout << "please enter three integer numbers:";
cin >> a >> b >> c;
temp = (a>b) ? a : b; /* 将a和b中的大者存入temp中 */
max = (temp>c) ? temp : c; /* 将a和b中的大者与c比较，最大者存入max */
cout << "max=" << max << endl;
return 0;
}
#include <iostream>
using namespace std;
int main()
{
int x, y;
cout << "enter x:";
cin >> x;
if (x<1)
{
y = x;
cout << "x=" << x << ", y=x=" << y;
}
else if (x<10) // 1≤x＜10
{
y = 2 * x - 1;
cout << "x=" << x << ", y=2*x-1=" << y;
}
else // x≥10
{
y = 3 * x - 11;
cout << "x=" << x << ", y=3*x-11=" << y;
}
cout << endl;
return 0;
}
#include <iostream>
using namespace std;
int main()
{
float score;
char grade;
cout << "please enter score of student:";
cin >> score;
while (score>100 || score<0)
{
cout << "data error,enter data again.";
cin >> score;
}
switch (int(score / 10))
{
case 10:
case 9: grade = 'A'; break;
case 8: grade = 'B'; break;
case 7: grade = 'C'; break;
case 6: grade = 'D'; break;
default:grade = 'E';
}
cout << "score is " << score << ", grade is " << grade << endl;
return 0;
}
#include <iostream>
using namespace std;
int main()
{
long int num;
int indiv, ten, hundred, thousand, ten_thousand, place;
/*分别代表个位,十位,百位,千位,万位和位数*/
cout << "enter an integer(0~99999):";
cin >> num;
if (num>9999)
place = 5;
else if (num>999)
place = 4;
else if (num>99)
place = 3;
else if (num>9)
place = 2;
else place = 1;
cout << "place=" << place << endl;
//计算各位数字
ten_thousand = num / 10000;
thousand = (int) (num - ten_thousand * 10000) / 1000;
hundred = (int) (num - ten_thousand * 10000 - thousand * 1000) / 100;
ten = (int) (num - ten_thousand * 10000 - thousand * 1000 - hundred * 100) / 10;
indiv = (int) (num - ten_thousand * 10000 - thousand * 1000 - hundred * 100 - ten * 10);
cout << "original order:";
switch (place)
{
case 5:cout << ten_thousand << "," << thousand << "," << hundred << "," << ten << "," << indiv << endl;
cout << "reverse order:";
cout << indiv << ten << hundred << thousand << ten_thousand << endl;
break;
case 4:cout << thousand << "," << hundred << "," << ten << "," << indiv << endl;
cout << "reverse order:";
cout << indiv << ten << hundred << thousand << endl;
break;
case 3:cout << hundred << "," << ten << "," << indiv << endl;
cout << "reverse order:";
cout << indiv << ten << hundred << endl;
break;
case 2:cout << ten << "," << indiv << endl;
cout << "reverse order:";
cout << indiv << ten << endl;
break;
case 1:cout << indiv << endl;
cout << "reverse order:";
cout << indiv << endl;
break;
}
system("pause");
return 0;
}
#include <iostream>
using namespace std;
int main()
{
long i; //i为利润
float bonus, bon1, bon2, bon4, bon6, bon10;
bon1 = 100000 * 0.1; //利润为10万元时的奖金
bon2 = bon1 + 100000 * 0.075; //利润为20万元时的奖金
bon4 = bon2 + 100000 * 0.05; //利润为40万元时的奖金
bon6 = bon4 + 100000 * 0.03; //利润为60万元时的奖金
bon10 = bon6 + 400000 * 0.015; //利润为100万元时的奖金
cout << "enter i:";
cin >> i;
if (i <= 100000)
bonus = i*0.1; //利润在10万元以内按10%提成奖金
else if (i <= 200000)
bonus = bon1 + (i - 100000)*0.075; //利润在10万元至20万时的奖金
else if (i <= 400000)
bonus = bon2 + (i - 200000)*0.05; //利润在20万元至40万时的奖金
else if (i <= 600000)
bonus = bon4 + (i - 400000)*0.03; //利润在40万元至60万时的奖金
else if (i <= 1000000)
bonus = bon6 + (i - 600000)*0.015; //利润在60万元至100万时的奖金
else
bonus = bon10 + (i - 1000000)*0.01; //利润在100万元以上时的奖金
cout << "bonus=" << bonus << endl;
return 0;
}
#include <iostream>
using namespace std;
int main()
{
long i;
float bonus, bon1, bon2, bon4, bon6, bon10;
int c;
bon1 = 100000 * 0.1;
bon2 = bon1 + 100000 * 0.075;
bon4 = bon2 + 200000 * 0.05;
bon6 = bon4 + 200000 * 0.03;
bon10 = bon6 + 400000 * 0.015;
cout << "enter i:";
cin >> i;
c = i / 100000;
if (c>10) c = 10;
switch (c)
{
case 0: bonus = i*0.1; break;
case 1: bonus = bon1 + (i - 100000)*0.075; break;
case 2:
case 3: bonus = bon2 + (i - 200000)*0.05; break;
case 4:
case 5: bonus = bon4 + (i - 400000)*0.03; break;
case 6:
case 7:
case 8:
case 9: bonus = bon6 + (i - 600000)*0.015; break;
case 10: bonus = bon10 + (i - 1000000)*0.01;
}
cout << "bonus=" << bonus << endl;
return 0;
}
#include <iostream>
using namespace std;
int main()
{
int t, a, b, c, d;
cout << "enter four numbers:";
cin >> a >> b >> c >> d;
cout << "a=" << a << ", b=" << b << ", c=" << c << ",d=" << d << endl;
if (a>b)
{
t = a; a = b; b = t;
}
if (a>c)
{
t = a; a = c; c = t;
}
if (a>d)
{
t = a; a = d; d = t;
}
if (b>c)
{
t = b; b = c; c = t;
}
if (b>d)
{
t = b; b = d; d = t;
}
if (c>d)
{
t = c; c = d; d = t;
}
cout << "the sorted sequence:" << endl;
cout << a << ", " << b << ", " << c << ", " << d << endl;
return 0;
}
#include <iostream>
using namespace std;
int main()
{
int p, r, n, m, temp;
cout << "please enter two positive integer numbers n,m:";
cin >> n >> m;
if (n<m)
{
temp = n;
n = m;
m = temp; //把大数放在n中, 小数放在m中
}
p = n*m; //先将n和m的乘积保存在p中, 以便求最小公倍数时用
while (m != 0) //求n和m的最大公约数
{
r = n%m;
n = m;
m = r;
}
cout << "HCF=" << n << endl;
cout << "LCD=" << p / n << endl; // p是原来两个整数的乘积
system("pause");
return 0;
}
