Hello World

#include<iostream>

using namespace std;

int main(){
	cout<<"hello world";
	return 0;
}

st=>start: 开始
op=>operation: My Operation
cond=>condition: Yes or No?
e=>end
st->op->cond
cond(yes)->e
cond(no)->op

graph LR
    start[开始] --> input[输入A,B,C]
    input --> conditionA{A是否大于B}
    conditionA -- YES --> conditionC{A是否大于C}
    conditionA -- NO --> conditionB{B是否大于C}
    conditionC -- YES --> printA[输出A]
    conditionC -- NO --> printC[输出C]
    conditionB -- YES --> printB[输出B]
    conditionB -- NO --> printC[输出C]
    printA --> stop[结束]
    printC --> stop
    printB --> stop