20 lines
428 B
C++
20 lines
428 B
C++
|
#include <bits/stdc++.h>
|
||
|
|
|
||
|
|
using namespace std;
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
printf("hello world\n");
|
||
|
|
//两种方式是等价
|
||
|
|
cout << "a" << 1 << "b" << endl;
|
||
|
|
printf("%s%d%s\n","a",1,"b");
|
||
|
|
|
||
|
|
//将数字转为字符串
|
||
|
|
ostringstream stream;
|
||
|
|
stream << 1; //n为要转字符串的整数
|
||
|
|
string s = stream.str();
|
||
|
|
printf("a%sb\n", s.c_str());
|
||
|
|
//转义
|
||
|
|
printf("%s","%s");
|
||
|
|
return 0;
|
||
|
|
}
|