题解 | #交换两个变量的值#
交换两个变量的值
https://www.nowcoder.com/practice/2c577d21ca334724aa5807744256b6f2
#include <iostream> using namespace std; void swap (int *a, int *b) { int tmp = *a; *a = *b; *b = tmp; } int main() { int a = 0; int b = 0; cin >> a; cin >> b; //write your code here....... swap(&a, &b); cout << a << " " << b << endl; return 0; }
使用指针进行操作,指针交换是个很常见的题目,要好好掌握
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