합:1합:3합:6합:10합:15합:21합:28합:36합:45합:55

#include <stdio.h>


void main (void)

{

    int A = 0;

int SUM=0;

while(A<10)

{

A= A+1;

SUM=SUM+A;

printf("합:%d",SUM);

}

}

제발 암걸려뒤지겠어요