'commit'

RuMenJingDian/Others/swap.cpp

@@ -0,0 +1,14 @@
+#include<stdio.h>
+
+void swap(int a, int b) {
+    int t = a;
+    a = b;
+    b = t;
+}
+
+int main() {
+    int a = 3, b = 4;
+    swap(3, 4);
+    printf("%d %d\n", a, b);
+    return 0;
+}