'commit'

TangDou/XiTi/1011.cpp

@@ -0,0 +1,22 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    int a, b;
+    cin >> a >> b;
+
+    //更换1
+    swap(a, b);
+
+    cout << a << " " << b;
+    cout << endl;
+
+    //更换2
+    int c;
+    c = a;
+    a = b;
+    b = c;
+    cout << a << " " << b;
+    return 0;
+}