位运算:左移

2023-06-19 14:09:46 +08:00 · 2023-06-19 14:09:46 +08:00 · b1523467f8
parent 30bd068d05
commit b1523467f8
1 changed files with 15 additions and 0 deletions
--- a/day6/d2.cpp
+++ b/day6/d2.cpp
@ -0,0 +1,15 @@
+// 测试移位运算
+#include <iostream>
+#include <bitset>
+
+using namespace std;
+
+int main()
+{
+    char n = 0b11000011;
+    cout << "n = " << bitset<8>(n) << endl;
+    n = n << 2; // 建议不要使用 <<= 复合运算符,注意符号位也会移动
+    cout << "n = " << bitset<8>(n) << "\t" << (int)n << endl;
+    return 0;
+}
+