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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
#414955#4234. Tic Tac Toe Countingivan_len#WA 19ms3904kbC++202.9kb2024-05-20 05:28:122024-05-20 05:28:14

Judging History

This is the latest submission verdict.

  • [2024-05-20 05:28:14]
  • Judged
  • Verdict: WA
  • Time: 19ms
  • Memory: 3904kb
  • [2024-05-20 05:28:12]
  • Submitted

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
#define PB push_back
#define MP make_pair
#define A first
#define B second
#define SZ(x) int(x.size())
#define FR(i, a, b) for (int i = (a); i < (b); ++i)
#define FOR(i, n) FR(i, 0, n)
const int M = 1000000007;
mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count());

int n;

int State(vector<vector<int>>& s) {
    int win = 0;
    FOR(i, 3) {
        if (s[i][0] == s[i][1] && s[i][0] == s[i][2]) {
            if (s[i][0] == 1) win |= 1;
            if (s[i][0] == 2) win |= 2;
        }
        if (s[0][i] == s[1][i] && s[0][i] == s[2][i]) {
            if (s[0][i] == 1) win |= 1;
            if (s[0][i] == 2) win |= 2;
        }
    }
    if (s[0][0] == s[1][1] && s[0][0] == s[2][2]) {
        if (s[0][0] == 1) win |= 1;
        if (s[0][0] == 2) win |= 2;
    }
    if (s[2][0] == s[1][1] && s[2][0] == s[0][2]) {
        if (s[1][1] == 1) win |= 1;
        if (s[1][1] == 2) win |= 2;
    }
    return win;
}

int to(vector<vector<int>>& state) {
    int tot = 0;
    FOR(i, 3) {
        FOR(j, 3) {
            tot *= 3;
            tot += state[i][j];
        }
    }
    return tot;
}

unordered_map<int, pair<int, int>> mp;

pair<int, int> dfs(vector<vector<int>>& state, int cnt) {
    int T = to(state);
    if (mp.count(T)) return mp[T];
    int win = 0;
    if (cnt >= 5) win = State(state);
    if (win == 3) {
        return mp[T] = MP(0, 0);
    }
    if (win == 1) {
        return mp[T] = MP(1, 0);
    }
    if (win == 2) {
        return mp[T] = MP(0, 1);
    }
    if (cnt == 9) return mp[T] = MP(0, 0);
    int c = ((cnt & 1)?2:1);
    pair<int, int> ans{};
    FOR(i, 3) {
        FOR(j, 3) {
            if (state[i][j] == 0) {
                vector<vector<int>> nxt = state;
                nxt[i][j] = c;
                auto p = dfs(nxt, cnt + 1);
                ans.A += p.A;
                ans.B += p.B;
            }
        }
    }
    return mp[T] = ans;
}

// X for 1, O for 2; . for 0
void solve() {
    vector<vector<int>> state(3, vector<int>(3));
    string s;
    cin >> s;

    FOR(i, 3) {
        FOR(j, 3) {
            if (s[i * 3 + j] == 'X') state[i][j] = 1;
            if (s[i * 3 + j] == 'O') state[i][j] = 2;
        }
    }
    int Xcnt = 0, Ocnt = 0;
    FOR(i, 3) {
        FOR(j, 3) {
            if (state[i][j] == 1) Xcnt++;
            if (state[i][j] == 2) Ocnt++;
        }
    }
  
    if (Xcnt < Ocnt || Xcnt > Ocnt + 1) {
        cout << "-1 -1\n";
        return;
    }
    if (State(state) == 3) {
        cout << "-1 -1\n";
        return;
    }

    auto p = dfs(state, Xcnt + Ocnt);
    cout << p.A << ' ' << p.B << '\n';
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int numtests;
    cin >> numtests;
    while(numtests--) {
        solve();
    }
}


詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3600kb

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: 19ms
memory: 3824kb

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: 17ms
memory: 3904kb

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'