OJ-Problems-Source/HDOJ/4032_autoAC.cpp

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#include<iostream>
#include<cstring>
using namespace std;
char translate[16] = "3456789TJQKA2BR";
char tot[16] = "444444444444411";
int a[3][16];
int b[15];
int limit[5] = {0, 5, 3, 0, 0};
int big[5][16];
bool rocket;
int attach[16][3];
int get(char c){
for (int i = 0; i < 15; ++i)
if (translate[i] == c) return i;
}
void init(int i, string s){
memset(a[i], 0, sizeof(a[i]));
for (int j = 0; j < s.size(); ++j)
++a[i][get(s[j])];
}
void init(int index){
if (!index){
memset(big, 255, sizeof(big));
memset(attach, 255, sizeof(attach));
rocket = false;
return;
}
if (a[index][14]&&a[index][13]) rocket = true;
int b[3] = {0, 0, 0};
for (int i = 0; i < 15; ++i)
for (int k = 1; k < 3; ++k)
if (a[index][i] >= k) ++b[k];
for (int i = 0; i < 15; ++i)
for (int cardnumber = 1; cardnumber < 5; ++cardnumber)
for (int len = 1; i + len <= 15; ++len){
if ((len > 1)&&(i + len > 12)) break;
int ok = true;
if (a[index][i + len - 1] >= cardnumber){
big[cardnumber][len] = max(big[cardnumber][len], i);
if ((cardnumber == 3)&&(b[1] >= 2 * len))
attach[len][1] = max(attach[len][1], i);
if ((cardnumber == 3)&&(b[2] >= 2 * len))
attach[len][2] = max(attach[len][2], i);
}
else break;
}
}
bool dfs(int remain, int level, bool fail);
bool dfs(int cardnumber, int remain, int i, int len, int index, int begin, int fail){
if (index == len){
if ((len >= 2)&&(b[len - 1] + b[len - 2] == 27)) return false;
return dfs(remain - (3 + cardnumber) * len, 4000 + i + len, fail);
}
for (int j = begin; j < 15; ++j){
if (j == i) j = i + len;
if (a[0][j] >= cardnumber){
a[0][j] -= cardnumber;
b[index] = j;
if (dfs(cardnumber, remain, i, len, index + 1, j + 1,fail)) return true;
a[0][j] += cardnumber;
}
}
return false;
}
bool dfs(int remain, int level, bool fail){
if (remain == 0) return true;
if (level == 0){
if (a[0][14]&&a[0][13]){
--a[0][14];
--a[0][13];
if (dfs(remain - 2, 1000, fail)) return true;
++a[0][14];
++a[0][13];
}
return dfs(remain, 1000, fail);
}
if (level / 1000 == 1){
for (int i = level % 1000; i < 15; ++i)
if (a[0][i] == 4){
if (fail&&(i < big[4][1])) continue;
a[0][i] -= 4;
if (dfs(remain - 4, 1000 + i + 1, fail||(i < big[4][1]))) return true;
a[0][i] += 4;
}
return dfs(remain, 2000, fail);
}
if ((big[4][1] > -1)&&(fail)) return false;
if (level / 1000 == 2){
for (int i = level % 1000; i < 15; ++i)
if (a[0][i] == 4){
a[0][i] -= 4;
for (int p = 1; p <= 2; ++p)
for (int j = 0; j < 13; ++j)
if (a[0][j] >= p)
for (int k = j + 1; k < 15; ++k)
if (a[0][k] >= p){
a[0][j] -= p;
a[0][k] -= p;
if (dfs(remain - 2 * p - 4, 2000 + i + 1, fail|(big[4][1] >= 0))) return true;
a[0][k] += p;
a[0][j] += p;
}
a[0][i] += 4;
}
return dfs(remain, 3000, fail);
}
if (level / 1000 == 3){
for (int i = level % 100; i < 15; ++i)
for (int cardnumber = 1; cardnumber < 4; ++cardnumber)
for (int len = 1; len + i <= 16; ++len){
if ((!((len > 1)&&(i + len > 12)))&&(a[0][i + len - 1] >= cardnumber)){
a[0][i + len - 1] -= cardnumber;
if (((!(big[cardnumber][len] > i))||(!fail))&&((len >= limit[cardnumber])||(len == 1)))
if (dfs(remain - cardnumber * len, 3000 + i, fail||(big[cardnumber][len] > i)))
return true;
}else{
for (int j = 0; j < len - 1; ++j)
a[0][i + j] += cardnumber;
break;
}
}
return dfs(remain, 4000, fail);
}
for (int i = level % 1000; i < 15; ++i)
for (int cardnumber = 1; cardnumber < 3; ++cardnumber)
for (int len = 1; len + i <= 16; ++len){
if ((!((len > 1)&&(i + len > 12)))&&(a[0][i + len - 1] >= 3)){
a[0][i + len - 1] -= 3;
if ((!(attach[len][cardnumber] > i))||(!fail)){
if (dfs(cardnumber, remain, i, len, 0, 0, (attach[len][cardnumber] > i)||fail)) return true;
}
}else{
for (int j = 0; j < len - 1; ++j)
a[0][i + j] += 3;
break;
}
}
return false;
}
int main(){
int t, _t;
for (scanf("%d ", &_t), t = 0; t < _t; ++t){
for (int i = 0; i < 3; ++i){
string s;
cin>>s;
init(i, s);
}
for (int i = 0; i < 3; ++i)
init(i);
for (int i = 0; i < 15; ++i){
if (a[0][i] + a[1][i] + a[2][i] != tot[i] - '0') a[0][i] = a[0][i] / (a[0][i] - a[0][i]);
}
if (rocket) big[4][1] = 100;
if (big[4][1] >= 0){
for( int i = 1; i <= 3; ++i)
for (int j = 1; j < 16; ++j)
big[i][j] = 100;
for (int i = 1; i <= 2; ++i)
for (int j = 0; j < 16; ++j)
attach[j][i] = 100;
}
if (dfs(20, 0, 0)){
printf("Case %d: Yes\n", t + 1);
}else printf("Case %d: No\n", t + 1);
}
}