记一次失败的笔试（华为研发工程师-汽水瓶笔试题）

#include<iostream>
#include<fstream>

using namespace std;

int comp(int buttle, int current, int &drink);

int main(void) {
    int n[10] = { 0,0,0,0,0,0,0,0,0,0 };
    int N,i=0;
    ifstream infile("test.txt", ios::in);
    while (infile >> N) n[i++] = N;
    for (int j = 0; n[j] != 0; j++) {
        int buttle = n[j];
        int drink = 0;
        int flag = comp(buttle, 0, drink);
        if (flag == 1) {
            int i = drink;
            drink = i + 1;
        }
        cout << drink << endl;

    }
    
    system("pause");
}

int comp(int buttle, int current, int &drink) {
    current += buttle / 3;
    drink += current;
    buttle = buttle % 3+current;
    if (buttle < 2)
        return 0;
    else if (buttle == 2) {
        return 1;
    }
    else {
        current = 0;
        return comp(buttle, current, drink);
    }
}

##做事不过脑子，还是太菜了！！！