Red Huang

Red Huang

uva 10999

別掉入 n 有 100000 的陷阱,實在太多了

利用他只有 10 個字版的特性去做所有的排列組合

最多只有 1024 個,並且利用排序的方式來參照字典有無這個字

速度會快很多

//====================================================================||  
//                                                                    ||  
//                                                                    ||  
//                         Author : GCA                               ||  
//                  6AE7EE02212D47DAD26C32C0FE829006                  ||  
//====================================================================||  
#include <iostream>  
#include <cstdio>  
#include <cstring>  
#include <algorithm>  
#include <cmath>  
#include <string\>  
#include <climits>  
#include <vector>  
#include <set>  
#include <map>  
#include <queue>  
#include <cctype>  
#include <utility>  
using namespace std;  
#ifdef ONLINE\_JUDGE  
#define ll "%lld"  
#else  
#define ll "%I64d"  
#endif  
typedef unsigned int uint;  
typedef long long int Int;  
#define Set(a,s) memset(a,s,sizeof(a))  
#define Write(w) freopen(w,"w",stdout)  
#define Read(r) freopen(r,"r",stdin)  
#define Pln() printf("\\n")  
#define I\_de(x,n)for(int i=0;i<n;i++)printf("%d ",x\[i\]);Pln()  
#define De(x)printf(#x"%d\\n",x)  
#define For(i,x)for(int i=0;i<x;i++)  
#define CON(x,y) x##y  
#define Pmz(dp,nx,ny)for(int hty=0;hty<ny;hty++){for(int htx=0;htx<nx;htx++){\\  
    printf("%d ",dp\[htx\]\[hty\]);}Pln();}  
#define M 55  
#define PII pair<int,int\>  
#define PB push\_back  
#define oo INT\_MAX  
#define Set\_oo 0x3f  
#define Is\_debug true  
#define debug(...) if(Is\_debug)printf("DEBUG: "),printf(\_\_VA\_ARGS\_\_)  
#define FOR(it,c) for(\_\_typeof((c).begin()) it=(c).begin();it!=(c).end();it++)  
#define eps 1e-6  
bool xdy(double x,double y){return x>y+eps;}  
bool xddy(double x,double y){return x>y-eps;}  
bool xcy(double x,double y){return x<y-eps;}  
bool xcdy(double x,double y){return x<y+eps;}  
int min3(int x,int y,int z){  
    int tmp=min(x,y);  
    return min(tmp,z);  
}  
int max3(int x,int y,int z){  
    int tmp=max(x,y);  
    return max(tmp,z);  
}  
int n,m,p;  
set<string\> sw;  
int wtile\[20\];  
char ctile\[20\];  
bool cmp(char a,char b){  
    return a<b;  
}  
int main() {  
    ios\_base::sync\_with\_stdio(0);  
    while(~scanf("%d",&n)){  
        for(int i=0;i<n;i++){  
            char str\[1000\];  
            scanf("%s",str);  
            int len=strlen(str);  
            sort(str,str+len,cmp);  
            sw.insert(str);  
        }  
        int nc;  
        scanf("%d",&nc);  
        while(nc--){  
            scanf("%d%\*c",&p);  
            for(int i=0;i<p;i++){  
                scanf("%c%d%\*c",&ctile\[i\],&wtile\[i\]);  
            }  
            int ans=0;  
            for(int i=0;i<(1<<p);i++){  
                string str;  
                int t=0;  
                for(int j=0;j<p;j++){  
                    if((i>>j)&1){  
                        str.PB(ctile\[j\]);  
                        t+=wtile\[j\];  
                    }  
                }  
                sort(str.begin(),str.end());  
                if(sw.count(str)){  
                    ans=max(ans,t);  
                }  
            }  
            printf("%d\\n",ans);  
        }  
    }  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
}  

加载中...
此文章数据所有权由区块链加密技术和智能合约保障仅归创作者所有。