Hoit Studio

int re=0;

if(number-1 != num-1){

printf("%d + ",number);

re = sum(num,number+1);

}

return re+=number;

int number,i=1;

int result=0;

printf("Enter a natural number : ");

scanf("%d",&number);

result =sum(number,1);

printf("%d = %d\n",number,result);