BOOL WINAPI SetConsoleCursorPosition(

    _In_ HANDLE hConsoleOutput,

    _In_ COORD dwCursorPosition

);

#include<stdio.h>

#include<windows.h>

int main()

{

    COORD pos = { 15,5 };

    HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);

    SetConsoleCursorPosition(hOut, pos);

    SetConsoleTextAttribute(hOut, 0x01 | 0x05);

    printf("HelloWorld!\n");

    return 0;

}

#include<stdio.h>

#include<windows.h>

int main(){

    COORD pos = { 0,0 };

    HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);

    SetConsoleTextAttribute(hOut, 0x01 | 0x05);

    for (int i = 0; i < 20; i++){

       pos.X = i;

       pos.Y = i;

       SetConsoleCursorPosition(hOut, pos);

       printf("%d%d:HelloWorld!\n", pos.X, pos.Y);

       Sleep(1000);

    }

    return 0;

}