0--100的奇数显示＜用while＞语句号号和整数加法

int main()
{int i=1;
while(i<=100)
{if(i%2==1)
printf("%d",i);
i++1;
}

return 0;}

int main(){
num1=10;
num2=10;
sum=0;
scanf_s("%d%d",&num1,&num2);
sum=num1+num2;
printf("sum=%d",sum);
return 0}