摘要:
参考:https://chuna2.787528.xyz/littlehb/p/15464421.html#define lowbit(x) (x & -x) int f3(int x) { int res = 0; while (x) { x -= lowbit(x); res++; } return 阅读全文
摘要:
命令行编译:g++ -std=c++11 -O2 -Wall test.cpp -o testThis command produces a binary file test from the source code test.cpp. The compiler follows the C++11 阅读全文