PAT 1056 Mice and Rice

系统 1651 0
      #include <cstdio>
      
        

#include 
      
      <climits>
      
        

#include 
      
      <cstdlib>
      
        

#include 
      
      <vector>
      
        

#include 
      
      <list>




      
        using
      
      
        namespace
      
      
         std;



list
      
      <
      
        int
      
      >::iterator group_pick(list<
      
        int
      
      > &player, list<
      
        int
      
      >::iterator &cur, 
      
        int
      
       group_size, vector<
      
        int
      
      > &
      
        W) {

    
      
      
        int
      
       wmax =
      
         INT_MIN;

    list
      
      <
      
        int
      
      >::iterator ret =
      
         player.end();

    
      
      
        int
      
       cnt =
      
         group_size;

    
      
      
        //
      
      
        printf("check group:\n\t");
      
      
        while
      
       (cur != player.end() && cnt > 
      
        0
      
      
        ) {

        
      
      --
      
        cnt;

        
      
      
        //
      
      
        printf(" %d(%d)", *cur, W[*cur]);
      
      
        if
      
       (W[*cur] >=
      
         wmax) {

            wmax 
      
      = W[*
      
        cur];

            ret 
      
      =
      
         cur;

        }

        cur
      
      ++
      
        ;

    }

    
      
      
        //
      
      
        printf("\n");
      
      
        return
      
      
         ret;

}




      
      
        int
      
      
         main() {



    
      
      
        int
      
       N = 
      
        0
      
      , G = 
      
        0
      
      
        ;

    scanf(
      
      
        "
      
      
        %d%d
      
      
        "
      
      , &N, &
      
        G);

    

    
      
      
        if
      
       (N < 
      
        1
      
      ) 
      
        return
      
      
        0
      
      
        ;

    

    vector
      
      <
      
        int
      
      > W(N,  
      
        0
      
      
        );

    vector
      
      <
      
        int
      
      > R(N, 
      
        0
      
      
        );

    vector
      
      <
      
        int
      
      >
      
         L;

    list
      
      <
      
        int
      
      >
      
         P;

    

    
      
      
        for
      
       (
      
        int
      
       i=
      
        0
      
      ; i<N; i++
      
        ) {

        scanf(
      
      
        "
      
      
        %d
      
      
        "
      
      , &
      
        W[i]);

    }

    
      
      
        for
      
       (
      
        int
      
       i=
      
        0
      
      ; i<N; i++
      
        ) {

        
      
      
        int
      
       t = 
      
        0
      
      
        ;

        scanf(
      
      
        "
      
      
        %d
      
      
        "
      
      , &
      
        t);

        P.push_back(t);

    }

    

    
      
      
        int
      
       level = 
      
        0
      
      
        ;

    
      
      
        int
      
       level_cnt = 
      
        0
      
      
        ;

    

    list
      
      <
      
        int
      
      >
      
         tmp;

    auto cur 
      
      =
      
         P.begin();

    
      
      
        //
      
      
         number of elements in P should be larger than 1 to perform reduce processing
      
      
        while
      
       (G > 
      
        1
      
       && ++(cur = P.begin()) !=
      
         P.end()) {

        tmp.clear();

        auto cur 
      
      =
      
         P.begin();

        
      
      
        while
      
       (cur !=
      
         P.end()) {

            list
      
      <
      
        int
      
      >::iterator fat =
      
         group_pick(P, cur, G, W);

            
      
      
        //
      
      
        printf("pick %d\n", *fat);
      
      
                    tmp.splice(tmp.end(), tmp, fat);

        }

        

        swap(tmp, P);

        auto iter 
      
      =
      
         tmp.begin();

        
      
      
        while
      
       (iter !=
      
         tmp.end()) {

            R[
      
      *(iter++)] =
      
         level;

            level_cnt
      
      ++
      
        ;

        }

        L.push_back(level_cnt);

        level_cnt 
      
      = 
      
        0
      
      
        ;

        level
      
      ++
      
        ;

    }

    
      
      
        //
      
      
         now there must be only one element in P, the final winner
      
      

    L.push_back(
      
        1
      
      
        );

    R[P.front()] 
      
      =
      
         level;

    
      
      
        int
      
       sum = 
      
        0
      
      
        ;

    
      
      
        for
      
       (
      
        int
      
       i=L.size() - 
      
        1
      
      ; i>=
      
        0
      
      ; i--
      
        ) {

        
      
      
        //
      
      
        printf("level cnt: %d\n", L[i]);
      
      
        int
      
       next_sum = sum +
      
         L[i];

        L[i] 
      
      = sum + 
      
        1
      
      
        ;

        sum  
      
      =
      
         next_sum;

    }



    
      
      
        int
      
       len =
      
         R.size();

    printf(
      
      
        "
      
      
        %d
      
      
        "
      
      , L[R[
      
        0
      
      
        ]]);

    
      
      
        for
      
       (
      
        int
      
       i=
      
        1
      
      ; i<len; i++
      
        ) {

        printf(
      
      
        "
      
      
         %d
      
      
        "
      
      
        , L[R[i]]);

    }

    
      
      
        return
      
      
        0
      
      
        ;

}
      
    

有点烦啊

PAT 1056 Mice and Rice


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