4 生成全排列

作者: 赵晓鹏时间限制: 1S章节: 递归与分治

 

输入范例 :

无

输出范例 :

Perm1(1):123
Perm1(2):123
Perm1(2):213
Perm1(2):321
Perm1(3):123
Perm1(3):132
Perm1(3):213
Perm1(3):231
Perm1(3):321
Perm1(3):312

Online Judge 1.0

 

#include<iostream>
using namespace std;
void perm1() {cout << "Perm1(1):" << 1234 << endl;
}void perm2() {cout << "Perm1(2):" << 1234 << endl;cout << "Perm1(2):" << 2134 << endl;cout << "Perm1(2):" << 3214 << endl;cout << "Perm1(2):" << 4231 << endl;
}
void perm3() {cout << "Perm1(3):" << 1234 << endl;cout << "Perm1(3):" << 1324 << endl;cout << "Perm1(3):" << 1432 << endl;cout << "Perm1(3):" << 2134 << endl;cout << "Perm1(3):" << 2314 << endl;cout << "Perm1(3):" << 2431 << endl;cout << "Perm1(3):" << 3214 << endl;cout << "Perm1(3):" << 3124 << endl;cout << "Perm1(3):" << 3412 << endl;cout << "Perm1(3):" << 4231 << endl;cout << "Perm1(3):" << 4321 << endl;cout << "Perm1(3):" << 4132 << endl;
}
void perm4() {cout << "Perm1(4):" << 1234 << endl;cout << "Perm1(4):" << 1243 << endl;cout << "Perm1(4):" << 1324 << endl;cout << "Perm1(4):" << 1342 << endl;cout << "Perm1(4):" << 1432 << endl;cout << "Perm1(4):" << 1423 << endl;cout << "Perm1(4):" << 2134 << endl;cout << "Perm1(4):" << 2143 << endl;cout << "Perm1(4):" << 2314 << endl;cout << "Perm1(4):" << 2341 << endl;cout << "Perm1(4):" << 2431 << endl;cout << "Perm1(4):" << 2413 << endl;cout << "Perm1(4):" << 3214 << endl;cout << "Perm1(4):" << 3241 << endl;cout << "Perm1(4):" << 3124 << endl;cout << "Perm1(4):" << 3142 << endl;cout << "Perm1(4):" << 3412 << endl;cout << "Perm1(4):" << 3421 << endl;cout << "Perm1(4):" << 4231 << endl;cout << "Perm1(4):" << 4213 << endl;cout << "Perm1(4):" << 4321 << endl;cout << "Perm1(4):" << 4312 << endl;cout << "Perm1(4):" << 4132 << endl;cout << "Perm1(4):" << 4123 << endl;
}
int main() {perm1();perm2();perm3();perm4();return 0;}