int？ I, n, numbers, symbols? =? 1，num？ =? 0;

scanf("%d "，& ampn)； ? //? Read limit bit

For (me? =? 0; ? Me? & lt？ n； ? ++i)？ {

Numbers? =? getchar()；

If (numbers? =? \n ')？ Break; ? //? End of reading

If (numbers? =? '+')? Sign? =? 1;

Or what? If (numbers? =? '-')? Sign? =? - 1;

If (numbers? & gt=? '0'? & amp& amp？ Numbers? & lt=? '9')

num？ =? 10? *? num？ +? Numbers? -? '0';

}

num？ *=? Sign; ? //? This is the read-in integer.