day 28

面试题 02.03.删除中间节点

void deleteNode(struct ListNode* node) {
    node->val=node->next->val;
    node->next=node->next->next;
}

1108.IP地址无效化

class Solution {
    public String defangIPaddr(String address) {
        return address.replace(".","[.]");
    }
}

2315.统计星号

int countAsterisks(char* s) {
    int t=1,x=0;
    for(int i=0;i<strlen(s);i++){
        if(s[i]=='|'){
            t=-t;
        }else if(t==1&&s[i]=='*'){
            x++;
        }
    }
    return x;
}