C++练习题

//#include<iostream>

//using namespace std;

//int main()

//{

//int n,m;

//while (cin >> n)

//{

//for (int i = 0; i < n; i++)

//{

//cin >> m;

//if (m % 4 == 0)

//{

//cout << m / 4 << " " << m / 2 << endl;

//}

//else if (m%2==0)

//{

//cout << (m - m / 4) / 2 + (m / 4) << " " << m / 2 << endl;

//}

//else

//{

//cout << "0" << " " << "0" << endl;

//}

//}

//}return 0;

//}

//#include<iostream>

//#include<cmath>

//using namespace std;

//int main()

//{

//int n, i;

//cin >> n;

//while (n--)

//{

//char begin[2], end[2];

//for (i = 0; i < 2; i++)

//{

//cin >> begin[i] >> end[i];

//}

//int x, y, z;

//x = abs(begin[0] -begin[1]);

//y = abs(end[0]- end[1]);

//if (x > y){ z = x; x = y; y = z; }

//cout<< x + abs(x - y)<<" ";

//if (x == y || x == 0 || y == 0)cout << 1<<" ";

//else cout << 2;//当然xy不能同时为零

//if (x == 0 || y == 0)cout <<1<<" ";

//else cout << 2<<" ";

//if (abs(x - y) % 2 != 0)//xiang de zhou bu

//cout << "Inf" << endl;

//else if ((x - y) == 0)

//cout << "1" << endl;

//else cout<<"2"<<endl;

//}

//return 0;

//}

//#include<iostream>

//using namespace std;

//int main()

//{

//int l, m, i, j;

//bool trees[10001];

//for (i = 0; i < 10000; i++)

//trees[i] = true;

//int begin, end;

//cin >> l >> m;

//while (m--)

//{

//    cin >> begin >> end;

//for (j = begin; j <=end; j++)

//trees[j] = false;

//}

//int count = 0;

//for (i = 0; i <=l;i++)//注意点等号

//if (trees[i])count++;

//cout << count << endl;

//return 0;

//}

//#include<iostream>

//using namespace std;

//int main()

//{

//int character[26],i,j;

//for (i = 0; i < 26; i++)

//     character[i]=0;

//int n, m, p;

//cin >> n >> m>>p;

//for (i = 0; i < n; i++)//对啊！！！

//{char str[11];

//cin >> str;

//for (j = 0; str[j] != '\0'; j++)//0和'\0'是等同的但和‘0’是不一样的

//{

//character[str[j] - 'A']++;//真是新奇啊

//}

//}

//for (j = 0; j < p; j++)

//{

//char str[100];

//cin >> str;

//for (i = 0; str[i] != '\0'; i++)

//character[str[i] - 'A']--;

//}

//for (i = 0; i < 26; i++)

//{

//if (character[i]!=0)

//for (j = 0; j <character[i]; j++)

//cout << (char) (i+'A');

//}cout << endl;

//return 0;

//}

//#include<iostream>

//using namespace std;

//int main()

//{

//int n, i, j;char str[1001];

//cin >> n;

//while (n--)

//{cin >> str;

//int character[26];

//for (j = 0; j < 26; j++)

//{

//character[j] = 0;

//}

//for (j = 0; str[j] != '\0'; j++)

//character[str[j] - 'a']++;

//int  max = character[0], max1 = 0;

//for (i = 0; i < 26; i++)

//{

//if (character[i]>max)

//{

//max = character[i];

//max1 = i;

//}

//}

//cout << char(max1 + 'a') << max << endl;

//}

//

//return 0;

//}