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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#72794 | #4234. Tic Tac Toe Counting | Linshey# | WA | 29ms | 4224kb | C++23 | 2.0kb | 2023-01-19 13:30:06 | 2023-01-19 13:30:06 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
int f[1 << 18], g[1 << 18];
int mp[3][3], cov, bad;
inline void cons(int S)
{
cov = 0;
for (int i = 0; i < 3; i++) for (int j = 0; j < 3; j++) if (mp[i][j] = (S >> (i * 3 + j << 1) & 3)) cov ^= 1;
bad = 0;
int s0 = 0, s1 = 0;
for (int i = 0; i < 3; i++) for (int j = 0; j < 3; j++) s0 += (mp[i][j] == 1), s1 += (mp[i][j] == 2);
bad = !(s1 == s0 || s1 == s0 - 1);
}
inline int Cons()
{
int S = 0;
for (int i = 0; i < 3; i++) for (int j = 0; j < 3; j++) S |= mp[i][j] << (i * 3 + j << 1);
return S;
}
inline bool ck(int x)
{
for (int i = 0; i < 3; i++)
{
bool is = 1;
for (int j = 0; j < 3; j++) if (mp[i][j] != x) { is = 0; break; }
if (is) return true;
}
for (int i = 0; i < 3; i++)
{
bool is = 1;
for (int j = 0; j < 3; j++) if (mp[j][i] != x) { is = 0; break; }
if (is) return true;
}
return (mp[0][0] == x && mp[1][1] == x && mp[2][2] == x) || (mp[2][0] == x && mp[1][1] == x && mp[0][2] == x);
}
int main()
{
for (int S = (1 << 18) - 1; S >= 0; S--)
{
bool is = 0;
for (int i = 0; i < 9; i++) if ((S >> (i << 1) & 3) == 3) { is = 1; break; }
if (is) continue;
cons(S);
if (bad) continue;
bool f1 = ck(1), f2 = ck(2);
if (f1 && f2) continue;
if (f1) { f[S] = 1; continue; }
if (f2) { g[S] = 1; continue; }
int t = cov + 1;
for (int i = 0; i < 3; i++) for (int j = 0; j < 3; j++) if (!mp[i][j])
{
mp[i][j] = t;
int T = Cons();
f[S] += f[T], g[S] += g[T];
mp[i][j] = 0;
}
}
int Q; scanf("%d", &Q); while (Q--)
{
char s[11];
scanf("%s", s);
int S = 0;
for (int i = 0; i < 9; i++) S |= (int(s[i] != '.') + int(s[i] == 'O')) << (i << 1);
if (f[S] == 0 && g[S] == 0) puts("-1 -1");
else printf("%d %d\n", f[S], g[S]);
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 4ms
memory: 4132kb
input:
4 XX..O.... X...OX... OOOX.X.X. OOOXXX...
output:
191 194 232 200 0 1 -1 -1
result:
ok 4 lines
Test #2:
score: 0
Accepted
time: 29ms
memory: 4224kb
input:
100000 ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......... ......
output:
131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 131184 77904 1...
result:
ok 100000 lines
Test #3:
score: -100
Wrong Answer
time: 20ms
memory: 4132kb
input:
100000 ......... X........ O........ .X....... XX....... OX....... .O....... XO....... OO....... ..X...... X.X...... O.X...... .XX...... XXX...... OXX...... .OX...... XOX...... OOX...... ..O...... X.O...... O.O...... .XO...... XXO...... OXO...... .OO...... XOO...... OOO...... ...X..... X..X..... O.....
output:
131184 77904 14652 7896 -1 -1 14232 10176 -1 -1 1798 1276 -1 -1 2048 756 -1 -1 14652 7896 -1 -1 1832 1132 -1 -1 -1 -1 220 248 2048 756 268 144 -1 -1 -1 -1 1832 1132 -1 -1 1798 1276 220 248 -1 -1 -1 -1 -1 -1 -1 -1 14232 10176 -1 -1 1798 1276 -1 -1 -1 -1 264 188 1868 1080 239 126 -1 -1 -1 -1 -1 -1 312...
result:
wrong answer 882nd lines differ - expected: '-1 -1', found: '1 0'