Card2

#include <stdio.h>
#include <stdlib.h>
#define SIZE 999

int answer=0;
int test_main(int data[SIZE]);
int test_main(int data[SIZE])
{
    int map[25]={0};
    for(int i=0;i<SIZE;i++){
        map[data[i]]++;
    }
    /*
    for(int i=24;i>0;i=1-2){
        if(map[i]!=0&&map[i/2]>1){
            map[i]--;
            map[i/2]-=2;
        }
        if(map[i]==0||map[i/2]<1)break;
    }
    *///少while循环
    for(int i=24;i>=0;i-=2){
        while(map[i]>0){
            if(map[i/2]>1){
                map[i]--;
                map[i/2]-=2;
            }
            else break;
        }
    }
    
    for(int i=0;i<25;i++){
        answer+=map[i]*i;
    }
    
    printf("%d\n",answer);
    return answer; //the sum of numbers in remaining cards after removing 3 cards each  
} 


void build_data(int data[SIZE])
{
    for (int i = 0; i < SIZE; i ++)
    {
        data[i] = rand() % 24 + 1; 
    }
}

void main(void)
{
    int data[SIZE];

    for (int l = 0; l < 10; l++)
    {
        build_data(data);
        //printf("%d\n", test_main(data));
        test_main(data);
        answer=0;
    }
}

/*
#include <stdio.h>
#include <stdlib.h>
#include <iostream>

using namespace std;

void build_data(int data[999])
{
    for(int i=0; i<999; i++)
    {
        data[i]=rand()%24+1;
    }
}

int main()
{
    int repeat[24]={0};
    int data[999]={0};


    for(int i=0;i<10;i++){
    int repeat[24]={0};
    int data[999]={0};
    int m=0;
    int n=0;
    build_data(data);

//算重复率
    for(int i=0; i<999; i++)
    {
        m=data[i];
        repeat[m-1]++;
    }

//    for(int i=0; i<24; i++){cout<<repeat[i]<<" ";}
//    cout<<endl;

//开始消卡
    for(int i=23; i>0; i-=2)
    {
        while(repeat[i]!=0&&repeat[(i-1)/2]>=2)
        {
            if(repeat[(i-1)/2]>=2)
            {repeat[i]--;
             repeat[(i-1)/2]=repeat[(i-1)/2]-2;
            }
        }
    }



//    for(int i=0; i<24; i++){cout<<repeat[i]<<" "<<endl;}

//根据权重计算
    for(int i=0; i<24; i++)
    {n=n+repeat[i]*(i+1);}
    cout<<n<<endl;
    }
    return 0;
}
*/
/*
#include <stdio.h>
#include <stdlib.h>


int test_main(int data[999]);
int sum=0;

void build_data(int data[999])
{
    for (int i = 0; i < 999; i ++)
    {
        data[i] = rand() % 24 + 1; 
    }
}

void main(void)
{
    int data[999];

    for (int l = 0; l < 10; l++)
    {
        build_data(data);
        test_main(data);
        sum=0;
    }while(1);

}

int test_main(int data[999])
{
    int freq[24]={0};
    for(int i=0;i<999;i++)
    { 
        freq[data[i]-1]++;        
    }
    for(int card=23;card>=0;card=card-2)
    {

        while(freq[card]>0)
        {
            if(freq[card/2]>1)
            {
                freq[card]--;
                freq[card/2]=freq[card/2]-2;
            }                            //would not be able to solve if the frequancy of 8 or 9 is more than 0 
            else break;
        }
    }
    int map[10][10]={0};
    for(int i=0;i<10;i++){
        for(int j=0;j<10;j++)
        {
            map[i][j]=i*j;
        }
    }

    for(int i=0;i<24;i++)
    {
        sum+=freq[i]*(i+1);
    }
    printf("%d\n", sum);
    return sum; //the sum of numbers in remaining cards after removing 3 cards each  
}

*/