1018. 锤子剪刀布 (20)

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大家应该都会玩“锤子剪刀布”的游戏:两人同时给出手势,胜负规则如图所示:

现给出两人的交锋记录,请统计双方的胜、平、负次数,并且给出双方分别出什么手势的胜算最大。

输入格式:

输入第1行给出正整数N(<=105),即双方交锋的次数。随后N行,每行给出一次交锋的信息,即甲、乙双方同时给出的的手势。C代表“锤子”、J代表“剪刀”、B代表“布”,第1个字母代表甲方,第2个代表乙方,中间有1个空格。

输出格式:

输出第1、2行分别给出甲、乙的胜、平、负次数,数字间以1个空格分隔。第3行给出两个字母,分别代表甲、乙获胜次数最多的手势,中间有1个空格。如果解不唯一,则输出按字母序最小的解。

输入样例:
10C JJ BC BB BB CC CC BJ BB CJ J
输出样例:
5 3 22 3 5B B
import java.util.Arrays;import java.util.Scanner;/** * @author jwang1 Success Factors */public class Main {  public static void main(String[] args) {    Scanner cin = new Scanner(System.in);    char a, b;    int iCountWin = 0;    int iCountEven = 0;    int[] cnt1 = new int[] { 0, 0, 0 };    int[] cnt2 = new int[] { 0, 0, 0 };    int n = cin.nextInt();    for (int i = 0; i < n; i++) {      a = cin.next().charAt(0);      b = cin.next().charAt(0);      int ret = comp(a, b);      if (1 == ret) {        iCountWin++;        cnt1[mapping(a)]++;      } else if (0 == ret) {        iCountEven++;      } else {        cnt2[mapping(b)]++;      }    }    System.out.println(iCountWin + " " + iCountEven + " "        + (n - iCountEven - iCountWin) + "\n" + (n - iCountEven - iCountWin)        + " " + iCountEven + " " + iCountWin + "\n" + maxChar(cnt1) + " "        + maxChar(cnt2));  }  public static char maxChar(int[] chArray) {    int max = Integer.MIN_VALUE;    for (int i = 0; i < chArray.length; i++) {      if (chArray[i] > max) {        max = chArray[i];      }    }    if (chArray[0] == max)      return 'B';    if (chArray[1] == max)      return 'C';    return 'J';  }  public static int comp(char a, char b) {    if (a == b)      return 0;    if (('C' == a && 'J' == b) || ('J' == a && 'B' == b)        || ('B' == a && 'C' == b))      return 1;    return -1;  }  public static int mapping(char c) {    int result = -1;    switch (c) {    case 'B':      result = 0;      break;    case 'C':      result = 1;      break;    case 'J':      result = 2;      break;    }    return result;  }}

#include <iostream>#include <algorithm>using namespace std;int comp(char a, char b) {    if(a == b)        return 0;    if(('C' == a && 'J' == b) ||       ('J' == a && 'B' == b) ||       ('B' == a && 'C' == b))        return 1;    return -1;}char maxChar(int *chArray) {    int max = *max_element(chArray, chArray + 3);    if(chArray[0] == max)        return 'B';    if(chArray[1] == max)        return 'C';    return 'J';}int mapping(char c) {    switch(c) {        case 'B': return 0; break;        case 'C':return 1; break;        case 'J':return 2; break;    }}int main() {    int n;    char a, b;    int iCountWin = 0;    int iCountEven = 0;    int cnt1[3] = {0, 0, 0};    int cnt2[3] = {0, 0, 0};    while(cin>>n) {        int m = n;        while(m--) {            cin>>a>>b;            int ret = comp(a, b);            if(1 == ret) {                iCountWin++;                cnt1[mapping(a)]++;            } else if(0 == ret) {                iCountEven++;            } else {                cnt2[mapping(b)]++;            }        }        cout<<iCountWin<<" "<<iCountEven<<" "<<n - iCountEven - iCountWin<<endl;        cout<<n - iCountEven - iCountWin<<" "<<iCountEven<<" "<<iCountWin<<endl;        cout<<maxChar(cnt1)<<" "<<maxChar(cnt2)<<endl;    }    return 0;}


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