mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
75 lines
1.6 KiB
C++
75 lines
1.6 KiB
C++
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#include<iostream>
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#include<map>
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using namespace std;
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#define N 60
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#define MM N*N
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struct node{
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int next,v;
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node(){};
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node(int a,int b){
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next=a;v=b;
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}
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}E[MM];
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char card1[N][5];
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char card2[N][5];
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map<char,int> M;
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int head[N],NE,pre[N];
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bool h[N];
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void init(){
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NE=0;
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for(int i=0;i<=9;i++)
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M[i+'0']=i;
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M['T']=10;M['J']=11;M['Q']=12;
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M['K']=13;M['A']=14;
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M['C']=15;M['D']=16;
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M['S']=17;M['H']=18;
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memset(head,-1,sizeof(head));
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memset(pre,-1,sizeof(pre));
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}
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void insert(int u,int v){
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E[NE]=node(head[u],v);
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head[u]=NE++;
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}
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bool dfs(int u){
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for(int i=head[u];i!=-1;i=E[i].next){
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int v=E[i].v;
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if(!h[v]){
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h[v]=1;
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if(pre[v]==-1||dfs(pre[v])){
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pre[v]=u;
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return true;
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}
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}
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}
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return false;
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}
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bool bigger(char *p,char *q){
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if(M[p[0]]==M[q[0]])
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return M[p[1]]>M[q[1]];
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return M[p[0]]>M[q[0]];
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}
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int main(void){
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int t;
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scanf("%d",&t);
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while(t--){
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int n;
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init();
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scanf("%d",&n);
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for(int i=1;i<=n;i++)
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scanf("%s",card1[i]);
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for(int i=1;i<=n;i++){
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scanf("%s",card2[i]);
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for(int j=1;j<=n;j++)
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if(bigger(card2[i],card1[j]))
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insert(i,j+n);
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}
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int cn=0;
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for(int i=1;i<=n;i++){
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memset(h,0,sizeof(h));
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if(dfs(i))
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cn++;
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}
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printf("%d\n",cn);
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}
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}
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