Hello World

Hello world!
Hello world!
Hello world!

#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
int main(void)
{
    int a,b;
    scanf("%d%d",&a,&b);
    printf("%d\n",a+b);
    return 0;
}

Start=>start: 开始
Input=>inputoutput: 输入平时成绩和期末考试成绩
Con1=>condition: 期末考试成绩 < 45 ?
Con2=>condition: 成绩 < 60 ?
Calc=>subroutine: 期末成绩 = 期末考试成绩 * 0.5 + 平时成绩 * 0.5
OutOK=>inputoutput: 输出成绩
OutGG=>inputoutput: 在线挂科
End=>end: 结束

Start->Input->Con1
Con1(no)->Calc(bottom)->Con2
Con2(yes, bottom)->OutGG->End
Con2(no)->OutOK->End