重复生成52个随机数，并映射为每张扑克牌

重复生成52个随机数，并映射为每张扑克牌

题目：编写函数，重复生成52个随机数，并映射为每张扑克牌。说明：重复生成的典型原则是按照花色（梅花、方块、红桃、黑桃）和大小（2～10、J、Q、K、A）顺序进行映射，例如梅花2小于梅花3，……，梅花A小于方块2，……，黑桃K小于黑桃A。需要注意的是，一旦生成某张牌后，即不允许再次生成它，如何解决此问题？

1 思路

Idea A

Idea B

code - Idea A 基础练习，无任何高级函数和算法

#include <iostream> #include <ctime> /* 调用time, 用srand()生成种子 */ #include <cstdlib> /* rand() */ using namespace std; void welcome(); void Randomize(); int getRandomNum( int low, int high ); /* 获取[low, high]区间内的随机数 */ void sortBubble(int a[], int n); /* 利用冒泡排序，方便查找缺失值和重复值 */ void showPoker(int vaule, int color); /* 显示函数 */ int main() { int i, color, temp; int len = 0, l = 0, j = 0, k; int pokerVaule[52] = {0}; int repeatVaul[52] = {0}; int defectVaul[52] = {0}; int sortPoker[52] = {0}; /* 生成 52 个 [1, 52] 之间的随机数 */ // cout << "||| 生成 52 个 [1, 52] 区间的随机数|||" << endl; for (i = 0; i < 52; i++) { pokerVaule[i] = getRandomNum(1, 52); sortPoker[i] = pokerVaule[i]; } /* 排序 */ sortBubble(sortPoker, 52); // Test // cout << "||| 对生成的52个随机数进行升序排序 |||" << endl; // for (i = 0; i < 52; i++) // cout << sortPoker[i] << " "; // cout << endl; /* 找出重复的值 */ for (i = 0; i < 50; i++) { if ( (sortPoker[i+1] == sortPoker[i]) && (sortPoker[i+1] != sortPoker[i+2]) ){ repeatVaul[l] = sortPoker[i+1]; l++; } } // cout << "||| 提取 52 个随机数中-重复生成的随机数 |||" << endl; // for (i = 0; i < l; i++) // cout << repeatVaul[i] << " "; // cout << endl; /* 提取缺少的值 */ if ( sortPoker[0] > 1){ int flag = sortPoker[0] - 1; while (flag > j){ defectVaul[j] = j + 1; j++; } } for (i = 0; i < 51; i++) { int k = 1; if ( (sortPoker[i + 1] - sortPoker[i]) > 1 ){ int flag = sortPoker[i + 1] - sortPoker[i]; while (flag > k){ defectVaul[j] = sortPoker[i] + k; k++; j++; } } } // cout << "||| 查找 52 个随机数在区间[1, 52]丢失的数 |||" << endl; // for (i = 0; i < j; i++) // cout << defectVaul[i] << " "; // cout << endl; /* 查找重复的位置 */ /* 替换后面重复的值为缺损的值 */ for (i = 0; i < 52; i++) { if (repeatVaul[i] != 0) len++; } j = 0; for (i = 0; i < len; i++) { int num = 0; for (k = 0; k < 52; k++) { if (repeatVaul[i] == pokerVaule[k]){ // repeatLoca[m] = k; num++; // m++; if (num > 1){ pokerVaule[k] = defectVaul[j]; j++; } } } } welcome(); for (i = 0; i < 52; i++) { cout << " 第 " << i+1 << " 次[发牌]" << " "; temp = pokerVaule[i]; if (temp <= 13 && temp >= 1 ){ color = 1; showPoker(temp, color); } else if (temp <= 26 && temp >= 14){ color = 2; temp -= 13; showPoker(temp, color); } else if (temp <= 39 && temp >= 27){ color = 3; temp -= 26; showPoker(temp, color); } else{ color = 4; temp -= 39; showPoker(temp, color); } } return 0; } void welcome() { cout << "|||| [Poker] - Test Deal ||||" << endl; cout << "||||------------------------||||" << endl; cout << "||||------ ^_^ ^_^ -------||||" << endl; cout << "|||| 黑桃：S (Spade) ||||" << endl; cout << "|||| 红桃：H (Heart) ||||" << endl; cout << "|||| 方块：D (Diamond) ||||" << endl; cout << "|||| 梅花：C (Club) ||||" << endl; cout << "||||------ ^_^ ^_^ -------||||" << endl; } void Randomize() { srand( (int)time(0) ); } int getRandomNum( int low, int high ) { double _d; if (low > high) { cout << "Generate Random number: Make sure low <= high.\n"; exit(1); } _d = (double)rand() / ( (double)RAND_MAX + 1.0 ); return low + (int)( _d * (high - low + 1) ); } void sortBubble(int a[], int n) { int i, temp; int low = 0, high = n - 1; while (low < high) { for (i = 0; i < high; i++) { if (a[i] > a[i + 1]) { temp = a[i]; a[i] = a[i + 1]; a[i + 1] = temp; } } high--; for (i = high; i > low; i--) { if (a[i] < a[i - 1]) { temp = a[i]; a[i] = a[i - 1]; a[i - 1] = temp; } } low++; } } void showPoker(int vaule, int color) { if (color == 1){ cout << "Club " << " "; } else if (color == 2){ cout << "Diamond" << " "; } else if (color == 3){ cout << "Heart " << " "; } else{ cout << "Spade " << " "; } if (vaule == 11){ cout << "J" << endl; } else if (vaule == 12){ cout << "Q" << endl; } else if (vaule == 13){ cout << "K" << endl; } else if (vaule == 1){ cout << "A" << endl; } else{ cout << vaule << endl; } }

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