{"id":255,"date":"2024-06-27T22:43:53","date_gmt":"2024-06-27T14:43:53","guid":{"rendered":"http:\/\/www.heartwarming.online:8003\/?p=255"},"modified":"2024-06-27T22:43:56","modified_gmt":"2024-06-27T14:43:56","slug":"%e6%95%b4%e6%95%b0%e9%ab%98%e7%b2%be%e5%ba%a6%e5%87%8f%e6%b3%95","status":"publish","type":"post","link":"https:\/\/blog.heartwarming.online\/index.php\/2024\/06\/27\/%e6%95%b4%e6%95%b0%e9%ab%98%e7%b2%be%e5%ba%a6%e5%87%8f%e6%b3%95\/","title":{"rendered":"\u6574\u6570\u9ad8\u7cbe\u5ea6\u51cf\u6cd5"},"content":{"rendered":"\n

\u57fa\u672c\u601d\u60f3\uff1a<\/h2>\n\n\n\n

\u628a\u9664\u6570\u4e0e\u88ab\u9664\u6570\u5b58\u50a8\u5728\u4e24\u4e2a\u6570\u7ec4\u6216\u662f\u5bb9\u5668\u5185\uff0c\u5728\u8fdb\u884c\u51cf\u6cd5\u524d\u8fdb\u884c\u5927\u5c0f\u5224\u65ad\uff0c\u5982\u679cA>B,\u76f4\u63a5\u8fdb\u884c\u51cf\u6cd5\uff0c\u53cd\u4e4b\u4ea4\u6362A\uff0cB\uff0c\u5728\u6700\u540e\u8f93\u51fa\u7ed3\u679c\u524d\u52a0\u4e0a\u51cf\u53f7\u5373\u53ef\uff0c\u6700\u540e\u8fdb\u884c\u52a0\u51cf\u6cd5\u7684\u8fd0\u7b97\uff0c\u6700\u540e\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n\n\n\n

\u5b9e\u73b0\u8fc7\u7a0b\uff1a<\/h2>\n\n\n\n

1\u3001\u5bf9\u9664\u6570\u4e0e\u88ab\u9664\u6570\u4ee5\u53ca\u7ed3\u679c\u8fdb\u884c\u9884\u5904\u7406\uff08\u4e5f\u5c31\u662f\u5b58\u5165\u5bb9\u5668\u5185\uff09\uff0c\u8f93\u51fa\u8bfb\u5165\u7b49\u6a21\u677f\u6846\u67b6\u3002<\/p>\n\n\n\n

2\u3001\u7528\u4e00\u4e2abool\u578b\u7684\u5224\u65adA\u662f\u5426\u5927\u4e8eB\u7684\u51fd\u6570\u8fdb\u884c\u5224\u65ad\uff0c\u7ed3\u679c\u4e3a\u771f\u5219\u8c03\u7528A-B\uff0c\u53cd\u4e4bB-A\uff08\u4f46\u6700\u540e\u7684\u7ed3\u679c\u8981\u52a0\u8d1f\u53f7\uff09\u3002<\/p>\n\n\n\n

3\u3001\u5b9e\u73b0\u51cf\u6cd5\u51fd\u6570\u3002<\/p>\n\n\n\n

\u4ee3\u7801\u5b9e\u73b0\uff1a<\/h2>\n\n\n\n

1\u3001\u6846\u67b6\u5904\u7406\uff1a<\/p>\n\n\n\n

string a,b;
cin>>a>>b;
vector<int> A,B,C;
for(int i=a.size()-1;i>=0;i--)
{
    A.push_back(a[i]-'0');   \/\/\u6613\u9519\u70b9\uff1a\u8bb0\u4f4f\u8981\u628a\u5b57\u7b26xii'n
}
for(int i=b.size();i>=0;i--)
{
    B.push_back(b[i]-'0');
}
if(cmp(A,B))
    C=sub(A,B);
else
{
    C=sub(B,A);
    cout<<'-';
}
for(int i=C.size();i>=0;i--)
    cout<<C[i];
cout<<endl;
return 0;<\/pre>\n\n\n\n
2\u3001\u5224\u65adA\u662f\u5426\u5927\u4e8eB<\/p>\n\n\n\n
bool cmp(vector<int>&A,vector<int>&B)
{
     if(A.size()!=B.size())
     return A.size()>B.size();
     for(int i=A.size()-1;i>=0;i--)
     {
           if(A[i]!=B[i])
           return A[i]>B[i];
     }
     return true;
}<\/pre>\n\n\n\n
3\u3001\u51cf\u6cd5\u51fd\u6570\u7684\u5b9e\u73b0<\/p>\n\n\n\n
vector <int>sub(vector<int>&A,vector<int>&B)
{
    vector<int>C;
    for(int i=0,t=0;i<A.size();i++)
    {
        t=A[i]-t;
        if(i<B.size())
        t=t-B[i];
        C.push_back((t+10)%10);
        if(t<0)
            t=1;
        else
            t=0;
    }
    while(C.size()>1&&C.back()==0)    \/\/\u524d\u5bfc\u96f6\u7684\u53bb\u9664
        C.pop_back();
    return 
    
}<\/pre>\n","protected":false},"excerpt":{"rendered":"
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