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求大神看一看啊,为什么会错,能找到的数据算出来都没问题啊

Posted by zxc97 at 2018-03-31 03:39:58 on Problem 1014
#include <iostream>
using namespace std;
int marbles[6];
bool dfs(int now,int goal)
{
    for(int i=0;i<6;i++)
    {
        if(now+i+1==goal && marbles[i]>0)
        {
            marbles[i]--;
            return true;
        }
        if(now+i+1<goal && marbles[i]>0)
        {
            marbles[i]--;
            if(dfs(now+i+1,goal)) return true;
            marbles[i]++;
//            if(i==0) return false;
            continue;

        }
        if(now+i+1>goal && marbles[i]>0) return false;
    }
}

int main()
{
    int all_count=1;//用于记录总共的次数
    while(true)
    {
        int zero_count=0;//用于记录一组数据中0出现的次数
        int value_sum=0;//用于记录总价值
        for(int i=0;i<6;i++) {
            cin >> marbles[i];
            if(marbles[i]==0) zero_count++;

            if(marbles[i]>6)
            {
                if(marbles[i]%2)
                    marbles[i]=5;
                else marbles[i]=6;
            }

            value_sum+=(i+1)*marbles[i];
        }
        if(zero_count==6) {
//            cout<<endl;
            return 0;
        }

        zero_count=0;
        if(value_sum%2!=0)
        {
            cout<<"Collection #"<<all_count<<":"<<endl;
            cout<<"Can't be divided."<<endl;
        }
        else{
            if(dfs(0,value_sum/2))
            {
                cout<<"Collection #"<<all_count<<":"<<endl;
                cout<<"Can be divided."<<endl;
            }
            else
            {
                cout<<"Collection #"<<all_count<<":"<<endl;
                cout<<"Can't be divided."<<endl;
            }
        }

        all_count++;
        cout<<endl;
    }
}

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