1、
#include
using namespace std;
int main()
{
int a = 10;
int b = 8;
cout << a + b << endl;
cout << a - b << endl;
cout << a * b << endl;
cout << a / b << endl;
cout << a % b << endl;
system("pause");
return 0;
}
2、
#include
using namespace std;
int main()
{
int a = 10;
int b = ++a;
int c = a++;
int d = ++a * 5;
int e = a++ * 5;
cout << a << endl;
cout << b << endl;
cout << c << endl;
cout << d << endl;
cout << e << endl;
system("pause");
return 0;
}
3、
#include
using namespace std;
int main()
{
int a = 10;
a = 100;
cout << a << endl;
a += 2;
cout << a << endl;
a -= 2;
cout << a << endl;
a *= 2;
cout << a << endl;
a /= 2;
cout << a << endl;
a %= 2;
cout << a << endl;
system("pause");
return 0;
}
4、
#include
using namespace std;
int main()
{
int a = 10;
int b = 10;
cout << (a == b) << endl;
cout << (a != b) << endl;
cout << (a > b) << endl;
cout << (a < b) << endl;
cout << (a >= b) << endl;
cout << (a <= b) << endl;
system("pause");
return 0;
}
5、
#include
using namespace std;
int main()
{
int a = 10;
int b = 100;
cout << !a << endl;
cout << (a && b) << endl;
cout << (a || b) << endl;
system("pause");
return 0;
}
6、
#include
using namespace std;
int main()
{
int a = 10;
int b = 100;
if (a > b)
{
cout << "较大的数为" << a << endl;
}
else if (a < b)
{
cout << "较大的数为" << b << endl;
}
else
{
cout << "a和b一样大" << endl;
}
system("pause");
return 0;
}
7、
#include
using namespace std;
int main()
{
int a = 50;
int b = 10;
int c = 100;
if (a > b)
{
if (a > c)
{
cout << "最大的数为a" << endl;
}
else if (a < c)
{
cout << "最大的数为c" << endl;
}
else
{
cout << "最大的数为a和c" << endl;
}
}
else if (a < b)
{
if (a > c)
{
cout << "最大的数为b" << endl;
}
else if (a < c)
{
if (b > c)
{
cout << "最大的数为b" << endl;
}
else if (b < c)
{
cout << "最大的数为c" << endl;
}
else
{
cout << "最大的数为b和c" << endl;
}
}
else
{
cout << "最大的数为b" << endl;
}
}
else
{
if (a > c)
{
cout << "最大的数为a和b" << endl;
}
else if (a < c)
{
cout << "最大的数为c" << endl;
}
else
{
cout << "abc一样大" << endl;
}
}
system("pause");
return 0;
}



