| Task: | Ruudukko | 
| Sender: | Nanohenry | 
| Submission time: | 2018-10-13 18:48:58 +0300 | 
| Language: | C++ | 
| Status: | READY | 
| Result: | 0 | 
| group | verdict | score | 
|---|---|---|
| #1 | WRONG ANSWER | 0 | 
| #2 | TIME LIMIT EXCEEDED | 0 | 
| #3 | RUNTIME ERROR | 0 | 
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.01 s | 1 | details | 
| #2 | WRONG ANSWER | 0.02 s | 1 | details | 
| #3 | WRONG ANSWER | 0.01 s | 1 | details | 
| #4 | ACCEPTED | 0.02 s | 1 | details | 
| #5 | ACCEPTED | 0.02 s | 1 | details | 
| #6 | ACCEPTED | 0.02 s | 1 | details | 
| #7 | WRONG ANSWER | 0.01 s | 1 | details | 
| #8 | WRONG ANSWER | 0.03 s | 1 | details | 
| #9 | ACCEPTED | 0.01 s | 1 | details | 
| #10 | WRONG ANSWER | 0.02 s | 1 | details | 
| #11 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #12 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #13 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #14 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #15 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #16 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #17 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #18 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #19 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #20 | TIME LIMIT EXCEEDED | -- | 2 | details | 
| #21 | RUNTIME ERROR | 0.34 s | 3 | details | 
| #22 | RUNTIME ERROR | 0.34 s | 3 | details | 
| #23 | WRONG ANSWER | 0.03 s | 3 | details | 
| #24 | WRONG ANSWER | 0.04 s | 3 | details | 
| #25 | WRONG ANSWER | 0.02 s | 3 | details | 
| #26 | TIME LIMIT EXCEEDED | -- | 3 | details | 
| #27 | RUNTIME ERROR | 0.35 s | 3 | details | 
| #28 | WRONG ANSWER | 0.03 s | 3 | details | 
| #29 | WRONG ANSWER | 0.02 s | 3 | details | 
| #30 | WRONG ANSWER | 0.03 s | 3 | details | 
Code
#include <iostream>
#include <string>
#define MOD 1000000007
using namespace std;
struct uint512_t {
    uint64_t hhh, hhl, hlh, hll, lhh, lhl, llh, lll;
    uint512_t() : hhh(0), hhl(0), hlh(0), hll(0), lhh(0), lhl(0), llh(0), lll(0) {}
    uint512_t(uint64_t a) : hhh(0), hhl(0), hlh(0), hll(0), lhh(0), lhl(0), llh(0), lll(a) {}
    uint512_t(uint64_t a, uint64_t b, uint64_t c, uint64_t d, uint64_t e, uint64_t f, uint64_t g, uint64_t h) : hhh(a), hhl(b), hlh(c), hll(d), lhh(e), lhl(f), llh(g), lll(h) {}
    inline void operator=(const uint512_t &o) {
        hhh = o.hhh;
        hhl = o.hhl;
        hlh = o.hlh;
        hll = o.hll;
        lhh = o.lhh;
        lhl = o.lhl;
        llh = o.llh;
        lll = o.lll;
    }
    inline void set(long i) {
        if (i < 64) {
            lll |= 1 << (i % 64);
        } else if (i < 64 * 2) {
            llh |= 1 << (i % 64);
        } else if (i < 64 * 3) {
            lhl |= 1 << (i % 64);
        } else if (i < 64 * 4) {
            lhh |= 1 << (i % 64);
        } else if (i < 64 * 5) {
            hll |= 1 << (i % 64);
        } else if (i < 64 * 6) {
            hlh |= 1 << (i % 64);
        } else if (i < 64 * 7) {
            hhl |= 1 << (i % 64);
        } else {
            hhh |= 1 << (i % 64);
        }
    }
    inline bool operator==(const uint512_t &o) {
        return hhh == o.hhh && hhl == o.hhl && hlh == o.hlh && hll == o.hll && lhh == o.lhh && lhh == o.lhh && lhl == o.lhl && llh == o.llh && lll == o.lll;
    }
    inline uint512_t operator~() {
        return uint512_t(~hhh, ~hhl, ~hlh, ~hll, ~lhh, ~lhl, ~llh, ~lll);
    }
    inline uint512_t operator-() {
        uint64_t a = ~lll + 1ULL;
        uint64_t b = ~llh + (a == 0);
        uint64_t c = ~llh + (b == 0);
        uint64_t d = ~llh + (c == 0);
        uint64_t e = ~llh + (d == 0);
        uint64_t f = ~llh + (e == 0);
        uint64_t g = ~llh + (f == 0);
        uint64_t h = ~llh + (g == 0);
        return uint512_t(h, g, f, e, d, c, b, a);
    }
    inline uint512_t operator&(const uint512_t &o) {
        return uint512_t(hhh & o.hhh, hhl & o.hhl, hlh & o.hlh, hll & o.hll, lhh & o.lhh, lhl & o.lhl, llh & o.llh, lll & o.lll);
    }
    inline uint512_t operator|(const uint512_t &o) {
        return uint512_t(hhh | o.hhh, hhl | o.hhl, hlh | o.hlh, hll | o.hll, lhh | o.lhh, lhl | o.lhl, llh | o.llh, lll | o.lll);
    }
    inline operator bool() {
        return hhh | hhl | hlh | hll | lhh | lhl | llh | lll;
    }
    inline long popcount() {
        return __builtin_popcount(lll) + __builtin_popcount(llh) + __builtin_popcount(lhl) + __builtin_popcount(lhh) + __builtin_popcount(hll) + __builtin_popcount(hlh) + __builtin_popcount(hhl) + __builtin_popcount(hhh);
    }
    inline operator string() {
        string res = "";
        for (long i = 63; i >= 0; i--) {
            if (lll & (1ULL << i)) {
                res += '1';
            } else {
                res += '0';
            }
        }
        return res;
    }
};
long n, r;
string t[500];
uint512_t m;
uint64_t g[8];
void search(uint512_t a, uint512_t b) {
    //cout << string(a) << '\t' << string(b) << '\n';
    if (a == m && b == m) {
        r = (r + 1) % MOD;
        return;
    }
    if (a.popcount() == 1 && b.popcount() == 1 && a == b) {
        return;
    }
    uint512_t p1 = ~a & m;
    while (p1) {
        uint512_t b1 = p1 & -p1;
        p1 = p1 & ~b1;
        uint512_t p2 = ~(b | b1) & m;
        while (p2) {
            uint512_t b2 = p2 & -p2;
            p2 = p2 & ~b2;
            search(a | b1, b | b2);
        }
    }
}
int main() {
    cin >> n;
    for (long i = 0; i < n; i++) {
        cin >> t[i];
    }
    g[n / 64] = (1 << (n % 64)) - 1;
    for (long i = n / 64 - 1; i >= 0; i--) {
        g[i] = ~g[i];
    }
    m = uint512_t(g[7], g[6], g[5], g[4], g[3], g[2], g[1], g[0]);
    uint512_t a, b;
    for (long i = 0; i < n; i++) {
        for (long j = 0; j < n; j++) {
            if (t[i][j] == 'A') {
                a.set(j);
            } else if (t[i][j] == 'B') {
                b.set(j);
            }
        }
    }
    search(a, b);
    cout << r << '\n';
    //system("pause");
}Test details
Test 1
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 2 .. .. | 
| correct output | 
|---|
| 2 | 
| user output | 
|---|
| 2 | 
Test 2
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 2 .. A. | 
| correct output | 
|---|
| 1 | 
| user output | 
|---|
| 0 | 
Test 3
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 2 B. .A | 
| correct output | 
|---|
| 0 | 
| user output | 
|---|
| 1 | 
Test 4
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 3 ... ... ... | 
| correct output | 
|---|
| 12 | 
| user output | 
|---|
| 12 | 
Test 5
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 4 .... .... .... .... | 
| correct output | 
|---|
| 216 | 
| user output | 
|---|
| 216 | 
Test 6
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 5 ..... ..... ..... ..... ... | 
| correct output | 
|---|
| 5280 | 
| user output | 
|---|
| 5280 | 
Test 7
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 5 ....A ..... ..... ..... ... | 
| correct output | 
|---|
| 264 | 
| user output | 
|---|
| 0 | 
Test 8
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 5 B.... ..... ..... .A.B. ... | 
| correct output | 
|---|
| 22 | 
| user output | 
|---|
| 0 | 
Test 9
Group: 1
Verdict: ACCEPTED
| input | 
|---|
| 5 B.A.. ....A ..... A.B.. ... | 
| correct output | 
|---|
| 2 | 
| user output | 
|---|
| 2 | 
Test 10
Group: 1
Verdict: WRONG ANSWER
| input | 
|---|
| 5 A.B.. BA... .B.A. ...BA ... | 
| correct output | 
|---|
| 1 | 
| user output | 
|---|
| 0 | 
Test 11
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 10 .......... .......... .......... .......... ... | 
| correct output | 
|---|
| 306442892 | 
| user output | 
|---|
| (empty) | 
Test 12
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 50 ................................. | 
| correct output | 
|---|
| 694861480 | 
| user output | 
|---|
| (empty) | 
Test 13
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 111 ................................. | 
| correct output | 
|---|
| 555319110 | 
| user output | 
|---|
| (empty) | 
Test 14
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 222 ................................. | 
| correct output | 
|---|
| 108372237 | 
| user output | 
|---|
| (empty) | 
Test 15
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 333 ................................. | 
| correct output | 
|---|
| 259107857 | 
| user output | 
|---|
| (empty) | 
Test 16
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 444 ................................. | 
| correct output | 
|---|
| 19906314 | 
| user output | 
|---|
| (empty) | 
Test 17
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 497 ................................. | 
| correct output | 
|---|
| 224313667 | 
| user output | 
|---|
| (empty) | 
Test 18
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 498 ................................. | 
| correct output | 
|---|
| 929574601 | 
| user output | 
|---|
| (empty) | 
Test 19
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 499 ................................. | 
| correct output | 
|---|
| 600226043 | 
| user output | 
|---|
| (empty) | 
Test 20
Group: 2
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 500 ................................. | 
| correct output | 
|---|
| 198353194 | 
| user output | 
|---|
| (empty) | 
Test 21
Group: 3
Verdict: RUNTIME ERROR
| input | 
|---|
| 499 ................................. | 
| correct output | 
|---|
| 840243733 | 
| user output | 
|---|
| (empty) | 
Test 22
Group: 3
Verdict: RUNTIME ERROR
| input | 
|---|
| 499 ........................A........ | 
| correct output | 
|---|
| 4146290 | 
| user output | 
|---|
| (empty) | 
Test 23
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 B.........A...................... | 
| correct output | 
|---|
| 173518884 | 
| user output | 
|---|
| 0 | 
Test 24
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 ...A....B........................ | 
| correct output | 
|---|
| 20044800 | 
| user output | 
|---|
| 0 | 
Test 25
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 499 AB............................... | 
| correct output | 
|---|
| 2 | 
| user output | 
|---|
| 0 | 
Test 26
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input | 
|---|
| 500 ................................. | 
| correct output | 
|---|
| 121064146 | 
| user output | 
|---|
| (empty) | 
Test 27
Group: 3
Verdict: RUNTIME ERROR
| input | 
|---|
| 500 ................................. | 
| correct output | 
|---|
| 848435259 | 
| user output | 
|---|
| (empty) | 
Test 28
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 .....B........A.................. | 
| correct output | 
|---|
| 296240911 | 
| user output | 
|---|
| 0 | 
Test 29
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 .A......B........................ | 
| correct output | 
|---|
| 2196 | 
| user output | 
|---|
| 0 | 
Test 30
Group: 3
Verdict: WRONG ANSWER
| input | 
|---|
| 500 ...AB............................ | 
| correct output | 
|---|
| 1 | 
| user output | 
|---|
| 0 | 
