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HDU 4930 Fighting the Landlords --多Trick,较复杂模拟

题意:两个人A和B在打牌,只有题目给出的几种牌能出若A第一次出牌B压不住或者A一次就把牌出完了,那么A赢,输出Yes,否则若A牌没出完而且被B压住了,那么A输,输出No。

解法:知道规则,看清题目,搞清有哪些Trick,就可以直接模拟搞了。详见代码:

#include <iostream>#include <cstdio>#include <cstring>#include <cstdlib>#include <cmath>#include <algorithm>#include <vector>#include <queue>using namespace std;#define N 100102#define M 22char s1[24],s2[24];int A[24],B[24];int cnt1[20],cnt2[20];int main(){    int n,i,j;    int n1,n2;    scanf("%d",&n);    while(n--)    {        priority_queue<int> Single,Pair,Tri,Four,Nuke;        priority_queue<int> Single2,Pair2,Tri2,Four2,Nuke2;        scanf("%s",s1);        scanf("%s",s2);        n1 = strlen(s1);        n2 = strlen(s2);        for(i=0;i<n1;i++)        {            if(s1[i] >= 3 && s1[i] <= 9)                A[i] = s1[i]-0;            else if(s1[i] == T)                A[i] = 10;            else if(s1[i] == J)                A[i] = 11;            else if(s1[i] == Q)                A[i] = 12;            else if(s1[i] == K)                A[i] = 13;            else if(s1[i] == A)                A[i] = 14;            else if(s1[i] == 2)                A[i] = 15;            else if(s1[i] == X)                A[i] = 16;            else if(s1[i] == Y)                A[i] = 17;        }        for(i=0;i<n2;i++)        {            if(s2[i] >= 3 && s2[i] <= 9)                B[i] = s2[i]-0;            else if(s2[i] == T)                B[i] = 10;            else if(s2[i] == J)                B[i] = 11;            else if(s2[i] == Q)                B[i] = 12;            else if(s2[i] == K)                B[i] = 13;            else if(s2[i] == A)                B[i] = 14;            else if(s2[i] == 2)                B[i] = 15;            else if(s2[i] == X)                B[i] = 16;            else if(s2[i] == Y)                B[i] = 17;        }        sort(A,A+n1);        sort(B,B+n2);        memset(cnt1,0,sizeof(cnt1));        memset(cnt2,0,sizeof(cnt2));        for(i=0;i<n1;i++)   //计算A各种牌的个数            cnt1[A[i]]++;        for(i=0;i<n2;i++)   //计算B各种牌的个数            cnt2[B[i]]++;        for(i=3;i<=15;i++)        {            if(cnt1[i] == 4)         //出现四个,可以做四个出,可以做三个出,也可以做两个或一个出                Four.push(i),Tri.push(i),Pair.push(i),Single.push(i);            else if(cnt1[i] == 3)                    Tri.push(i),Pair.push(i),Single.push(i);            else if(cnt1[i] == 2)                Pair.push(i),Single.push(i);            else if(cnt1[i] == 1)                Single.push(i);        }        for(i=3;i<=15;i++)        {            if(cnt2[i] == 4)                Four2.push(i),Tri2.push(i),Pair2.push(i),Single2.push(i);            else if(cnt2[i] == 3)                Tri2.push(i),Pair2.push(i),Single2.push(i);            else if(cnt2[i] == 2)                Pair2.push(i),Single2.push(i);            else if(cnt2[i] == 1)                Single2.push(i);        }        if(cnt1[16])    //有王,可以做单个出            Nuke.push(16),Single.push(16);        if(cnt1[17])            Nuke.push(17),Single.push(17);        if(cnt2[16])            Nuke2.push(16),Single2.push(16);        if(cnt2[17])            Nuke2.push(17),Single2.push(17);        if(Nuke.size() >= 2)    //双王,直接赢        {            puts("Yes");            continue;        }        //-------------------------------下面判断能否一次出完        if(n1 == 1)        {            puts("Yes");            continue;        }        if(n1 == 2)        {            if(A[0] == A[1])            {                puts("Yes");                continue;            }        }        if(n1 == 3)        {            if(A[0] == A[1] && A[1] == A[2])            {                puts("Yes");                continue;            }        }        if(n1 == 4)        {            if(A[0] == A[1] && A[1] == A[2] && A[2] == A[3])            {                puts("Yes");                continue;            }            if(A[0] != A[1] && A[1] == A[2] && A[2] == A[3])            {                puts("Yes");                continue;            }            if(A[2] != A[3] && A[0] == A[1] && A[1] == A[2])            {                puts("Yes");                continue;            }        }        if(n1 == 5)        {            if(A[0] == A[1] && A[1] != A[2] && A[2] == A[3] && A[3] == A[4])            {                puts("Yes");                continue;            }            if(A[3] == A[4] && A[2] != A[3] && A[0] == A[1] && A[1] == A[2])            {                puts("Yes");                continue;            }        }        if(n1 == 6)        {            int tag = 0;            for(i=0;i<=2;i++)            {                if(A[i] == A[i+1] && A[i+1] == A[i+2] && A[i+2] == A[i+3])                {                    tag = 1;                    break;                }            }            if(tag)            {                puts("Yes");                continue;            }        }        //-----------------------------如果不能一次出完        if(Nuke2.size() >= 2)                //对方有双王,必输        {            puts("No");            continue;        }        if(!Nuke.empty() && Nuke2.empty())   //A有王,B没王        {            puts("Yes");            continue;        }        if(!Nuke.empty() && !Nuke2.empty())  //都有王,看谁的大,如果A小,则不选择出王,继续        {            if(Nuke.top() > Nuke2.top())            {                puts("Yes");                continue;            }        }        if(Four.empty() && !Four2.empty())  //炸弹,如果不能一次出完又没炸弹,那么必会被炸,输        {            puts("No");            continue;        }        if(!Four.empty() && Four2.empty())  //有炸弹出炸弹        {            puts("Yes");            continue;        }        if(!Four.empty() && !Four2.empty())  //都有炸弹,A的如果小,因为不能一次出完,必输        {            if(Four.top() >= Four2.top())            {                puts("Yes");                continue;            }            else            {                puts("No");                continue;            }        }        if(!Tri.empty() && Tri2.empty())    //三个的情况        {            puts("Yes");            continue;        }        if(!Tri.empty() && !Tri2.empty())        {            if(Tri.top() >= Tri2.top())            {                puts("Yes");                continue;            }            else if(n1 >= 4 && n2 <= 3)   //A有的带,B没得带            {                puts("Yes");                continue;            }        }        if(!Pair.empty() && Pair2.empty())     //对子        {            puts("Yes");            continue;        }        if(!Pair.empty() && !Pair2.empty())        {            if(Pair.top() >= Pair2.top())            {                puts("Yes");                continue;            }        }        if(Single.empty() && !Single2.empty())   //单个牌        {            puts("No");            continue;        }        if(!Single.empty() && Single2.empty())        {            puts("Yes");            continue;        }        if(!Single.empty() && !Single2.empty())        {            if(Single.top() >= Single2.top())            {                puts("Yes");                continue;            }        }        puts("No");                                //如果以上都不满足,那么A输了,gg。    }    return 0;}
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