答案一份！

include <stdio.h>

int main() {

int a, b, c, d;
scanf("%d%d%d", &a, &b, &c);
d = a;
a = c;
c = d;
printf("%d %d %d", a, b, c);
return 0;

}

评论:

include

using namespace std;

int main() {

int a, b, c;
cout << "交换两个变量的值！" << endl;

a = 10;
b = 20;
	
cout << "a = " << a << endl;
cout << "b = " << b << endl;

a = a + b;  //a = 30
b = a - b;  //b = 10
a = a - b;  //a = 20
cout << "交换后输出：" << endl;	
cout << "a = " << a << endl;
cout << "b = " << b << endl; 
	
return 0;

}

tiaya • 7个月前

include

using namespace std;

int main() {

int a, b, c;
cout << "交换两个变量的值！" << endl;

a = 10;
b = 20;
	
cout << "a = " << a << endl;
cout << "b = " << b << endl;

a = a ^ b;  //a = 30
b = a ^ b;  //b = 10
a = a ^ b;  //a = 20

cout << "交换后输出：" << endl;	
cout << "a = " << a << endl;
cout << "b = " << b << endl; 
	
return 0;

}

tiaya • 7个月前

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