int max(int a,int b);
main()
{
    int x,y,z;
int max(int a,int b);
    printf("input two numbers:\n");
scanf("%d %d",&x,&y);
    z=max(x,y);
    printf("maxmum=%d",z);
}
int max(int a,int b)
{
    if(a>b)returm a;else returm b;
}

错误：E:\VC++\Project\Dos Tf H1\H1.CPP（13) : error C2146: syntax error : missing ';' before identifier 'b'
执行 cl.exe 时出错.

能解释一下么  我不太懂 刚刚学c