oj.uz

Submission #1050616

# Submission time Handle Problem Language Result Execution time Memory
1050616 2024-08-09T11:53:00 Z vjudge1 Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 962 ms 44884 KB 
#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math,inline")
#include <bits/stdc++.h>
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,lzcnt,mmx,abm,avx,avx2,fma")
using namespace std;
// using namespace __gnu_pbds;
// typedef tree<pair<int,int>,null_type,less<pair<int,int>>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
#define static_assert(...);
#include <tr2/dynamic_bitset>
using custom_bitset = tr2::dynamic_bitset<__uint128_t>;
#define speed ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define int long long
#define bigInt __int128
#define dl double long
#define fl float
#define all(s) s.begin(), s.end()
#define pub push_back
#define puf push_front
#define pob pop_back
#define pof pob_front
#define ins insert
#define F first
#define S second
#define len length
const int N = 100010;
const int M = 1010;
const int LN = 131072;
const int INF = 1000000000000000000;
const int MOD = 1e9 + 7;
const int BLOCK = 500;
int binpow(int a, int b, int MOD) {
    int res = 1;
    while (b > 0) {
        if (b & 1) {
            res = res * a;
            res %= MOD;
        }
        a = a * a;
        a %= MOD;
        b >>= 1;
    }
    return res;
}
int MMI(int a, int MOD) {
    int ret = binpow(a, MOD - 2, MOD);
    return ret;
}
// int mdiv(int a, int b) {
//     int ret = a*MMI(b);
//     ret %= MOD;
//     return ret;
// }
int mmul(int a, int b) {
    int ret = (a % MOD) * (b % MOD);
    ret %= MOD;
    return ret;
}
int madd(int a, int b) {
    int ret = (a % MOD) + (b % MOD);
    ret %= MOD;
    return ret;
}
int msub(int a, int b) {
    int ret = (a % MOD) - (b % MOD);
    ret += MOD;
    ret %= MOD;
    return ret;
}
int GCD(int a, int b) {
    if (b == 0) {
        return a;
    }
    return GCD(b, a % b);
}
int LCM(int a, int b) {
    return a*b / GCD(a, b);
}
struct pqComp
{
    bool operator()(const pair<int, int>& p1, const pair<int, int>& p2) const
    {
        return (p1.F < p2.F) || (p1.F == p2.F && p1.S < p2.S);
    }
};
bool pCompF(pair<int, int>& p1, pair<int, int>& p2)
{
    return p1.F < p2.F;
}
bool pCompS(pair<int, int>& p1, pair<int, int>& p2)
{
    return p1.S < p2.S;
}
bool pCompFS(pair<int, int>& p1, pair<int, int>& p2)
{
    return (p1.S < p2.S) || (p1.S == p2.S && p1.F < p2.F);
}
vector <pair<int, int>> DS {{1, 0}, {0, 1}};//{{0, -1}, {1, 0}, {0, 1}, {-1, 0}};//, {-1, -1}, {-1, 1}, {1, -1}, {1, 1}};
int n, q, a[11*N], sub[11*N], sup[11*N];

void solve() {
    cin >> n >> q;
    for (int i = 0; i < (1 << n); ++i) {
        char c; cin >> c;
        a[i] = (c - '0');
    }
    for (int i = 0; i < (1 << n); ++i) {
        sub[i] = a[i];
        sup[i] = a[i];
    }
    for (int i = 0; i < n; ++i) {
        for (int mask = 0; mask < (1 << n); ++mask) {
            if (((mask >> i) & 1)) {
                sub[mask] += sub[mask - (1 << i)];
            }
        }
    }
    for (int i = 0; i < n; ++i) {
        for (int mask = (1 << n) - 1; mask >= 0; --mask) {
            if (!((mask >> i) & 1)) {
                sup[mask] += sup[mask + (1 << i)];
            }
        }
    }
    while (q--) {
        string s; cin >> s;
        int x = 0, y = 0, z = 0;
        reverse(all(s));
        int mask = 0;
        vector<int> vx, vy, vz;
        for (int i = 0; i < n; ++i) {
            if (s[i] == '?') {
                vx.pub(i);
                ++x;
            }
            else if (s[i] == '1') {
                vy.pub(i);
                ++y;
            }
            else {
                vz.pub(i);
                ++z;
            }
            if (s[i] != '?') {
                mask ^= (1 << i)*(s[i] - '0');
            }
        }
        int ans = 0;
        if (x <= 6) {
            for (int mask1 = 0; mask1 < (1 << x); ++mask1) {
                int nmask = mask;
                for (int i = 0; i < x; ++i) {
                    if ((mask1 >> i) & 1) {
                        nmask ^= (1 << vx[i]);
                    }
                }
                ans += a[nmask];
            }
        }
        else if (y <= 6) {
            for (int i: vx) {
                mask += (1 << i);
            }
            for (int mask1 = 0; mask1 < (1 << y); ++mask1) {
                int nmask = mask;
                for (int i = 0; i < y; ++i) {
                    if ((mask1 >> i) & 1) {
                        nmask ^= (1 << vy[i]);
                    }
                }
                if (__builtin_popcount(mask1) % 2) {
                    ans -= sub[nmask];
                }
                else {
                    ans += sub[nmask];
                }
            }
        }
        else {
            for (int mask1 = 0; mask1 < (1 << z); ++mask1) {
                int nmask = mask;
                for (int i = 0; i < z; ++i) {
                    if ((mask1 >> i) & 1) {
                        nmask ^= (1 << vz[i]);
                    }
                }
                if (__builtin_popcount(mask1) % 2) {
                    ans -= sup[nmask];
                }
                else {
                    ans += sup[nmask];
                }
            }
        }
        cout << ans << '\n';
    }
}
 
signed main() {
    speed;
    int T = 1;
    //cin >> T;
    while (T--) {
        solve();
    }
}
/*
НЕ ЗАХОДИТ РЕШЕНИЕ?
1) ПРОВЕРЬ НА ОЧЕВИДНЫЕ ОШИБКИ В КОДЕ
2) ПРОВЕРЬ НА ПЕРЕПОЛНЕНИЯ
3) УБЕДИСЬ В ПРАВИЛЬНОСТИ АЛГОРИТМА
*/

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4448 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4596 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4448 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4596 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 405 ms 14452 KB Output is correct
12 Correct 412 ms 14164 KB Output is correct
13 Correct 354 ms 13464 KB Output is correct
14 Correct 322 ms 13532 KB Output is correct
15 Correct 526 ms 14556 KB Output is correct
16 Correct 429 ms 13656 KB Output is correct
17 Correct 476 ms 13816 KB Output is correct
18 Correct 257 ms 13536 KB Output is correct
19 Correct 372 ms 12580 KB Output is correct
20 Correct 404 ms 14160 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4448 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4596 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 405 ms 14452 KB Output is correct
12 Correct 412 ms 14164 KB Output is correct
13 Correct 354 ms 13464 KB Output is correct
14 Correct 322 ms 13532 KB Output is correct
15 Correct 526 ms 14556 KB Output is correct
16 Correct 429 ms 13656 KB Output is correct
17 Correct 476 ms 13816 KB Output is correct
18 Correct 257 ms 13536 KB Output is correct
19 Correct 372 ms 12580 KB Output is correct
20 Correct 404 ms 14160 KB Output is correct
21 Correct 664 ms 15932 KB Output is correct
22 Correct 458 ms 16152 KB Output is correct
23 Correct 498 ms 15084 KB Output is correct
24 Correct 464 ms 14904 KB Output is correct
25 Correct 349 ms 17032 KB Output is correct
26 Correct 473 ms 15440 KB Output is correct
27 Correct 515 ms 15512 KB Output is correct
28 Correct 221 ms 17896 KB Output is correct
29 Correct 282 ms 14024 KB Output is correct
30 Correct 594 ms 16100 KB Output is correct
31 Correct 654 ms 16212 KB Output is correct
32 Correct 429 ms 15960 KB Output is correct
33 Correct 347 ms 14892 KB Output is correct
34 Correct 457 ms 14988 KB Output is correct
35 Correct 525 ms 15404 KB Output is correct
36 Correct 184 ms 14164 KB Output is correct
37 Correct 630 ms 15804 KB Output is correct
38 Correct 332 ms 14160 KB Output is correct
39 Correct 444 ms 15212 KB Output is correct
40 Correct 399 ms 14836 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4448 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4596 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 45 ms 27468 KB Output is correct
12 Correct 56 ms 27552 KB Output is correct
13 Correct 65 ms 27472 KB Output is correct
14 Correct 71 ms 27524 KB Output is correct
15 Correct 52 ms 27588 KB Output is correct
16 Correct 93 ms 27460 KB Output is correct
17 Correct 86 ms 27472 KB Output is correct
18 Correct 37 ms 27984 KB Output is correct
19 Correct 53 ms 27412 KB Output is correct
20 Correct 48 ms 27732 KB Output is correct
21 Correct 71 ms 27544 KB Output is correct
22 Correct 76 ms 27480 KB Output is correct
23 Correct 58 ms 27472 KB Output is correct
24 Correct 84 ms 27520 KB Output is correct
25 Correct 64 ms 27564 KB Output is correct
26 Correct 56 ms 27456 KB Output is correct
27 Correct 63 ms 27540 KB Output is correct
28 Correct 65 ms 27480 KB Output is correct
29 Correct 62 ms 27472 KB Output is correct
30 Correct 63 ms 27536 KB Output is correct
31 Correct 59 ms 27436 KB Output is correct
32 Correct 76 ms 27408 KB Output is correct
33 Correct 65 ms 27520 KB Output is correct
34 Correct 44 ms 27476 KB Output is correct
35 Correct 71 ms 27468 KB Output is correct
36 Correct 95 ms 27584 KB Output is correct
37 Correct 60 ms 27364 KB Output is correct
38 Correct 83 ms 27428 KB Output is correct
39 Correct 66 ms 27472 KB Output is correct
40 Correct 60 ms 27440 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4448 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4596 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 405 ms 14452 KB Output is correct
12 Correct 412 ms 14164 KB Output is correct
13 Correct 354 ms 13464 KB Output is correct
14 Correct 322 ms 13532 KB Output is correct
15 Correct 526 ms 14556 KB Output is correct
16 Correct 429 ms 13656 KB Output is correct
17 Correct 476 ms 13816 KB Output is correct
18 Correct 257 ms 13536 KB Output is correct
19 Correct 372 ms 12580 KB Output is correct
20 Correct 404 ms 14160 KB Output is correct
21 Correct 664 ms 15932 KB Output is correct
22 Correct 458 ms 16152 KB Output is correct
23 Correct 498 ms 15084 KB Output is correct
24 Correct 464 ms 14904 KB Output is correct
25 Correct 349 ms 17032 KB Output is correct
26 Correct 473 ms 15440 KB Output is correct
27 Correct 515 ms 15512 KB Output is correct
28 Correct 221 ms 17896 KB Output is correct
29 Correct 282 ms 14024 KB Output is correct
30 Correct 594 ms 16100 KB Output is correct
31 Correct 654 ms 16212 KB Output is correct
32 Correct 429 ms 15960 KB Output is correct
33 Correct 347 ms 14892 KB Output is correct
34 Correct 457 ms 14988 KB Output is correct
35 Correct 525 ms 15404 KB Output is correct
36 Correct 184 ms 14164 KB Output is correct
37 Correct 630 ms 15804 KB Output is correct
38 Correct 332 ms 14160 KB Output is correct
39 Correct 444 ms 15212 KB Output is correct
40 Correct 399 ms 14836 KB Output is correct
41 Correct 45 ms 27468 KB Output is correct
42 Correct 56 ms 27552 KB Output is correct
43 Correct 65 ms 27472 KB Output is correct
44 Correct 71 ms 27524 KB Output is correct
45 Correct 52 ms 27588 KB Output is correct
46 Correct 93 ms 27460 KB Output is correct
47 Correct 86 ms 27472 KB Output is correct
48 Correct 37 ms 27984 KB Output is correct
49 Correct 53 ms 27412 KB Output is correct
50 Correct 48 ms 27732 KB Output is correct
51 Correct 71 ms 27544 KB Output is correct
52 Correct 76 ms 27480 KB Output is correct
53 Correct 58 ms 27472 KB Output is correct
54 Correct 84 ms 27520 KB Output is correct
55 Correct 64 ms 27564 KB Output is correct
56 Correct 56 ms 27456 KB Output is correct
57 Correct 63 ms 27540 KB Output is correct
58 Correct 65 ms 27480 KB Output is correct
59 Correct 62 ms 27472 KB Output is correct
60 Correct 63 ms 27536 KB Output is correct
61 Correct 59 ms 27436 KB Output is correct
62 Correct 76 ms 27408 KB Output is correct
63 Correct 65 ms 27520 KB Output is correct
64 Correct 44 ms 27476 KB Output is correct
65 Correct 71 ms 27468 KB Output is correct
66 Correct 95 ms 27584 KB Output is correct
67 Correct 60 ms 27364 KB Output is correct
68 Correct 83 ms 27428 KB Output is correct
69 Correct 66 ms 27472 KB Output is correct
70 Correct 60 ms 27440 KB Output is correct
71 Correct 460 ms 42364 KB Output is correct
72 Correct 544 ms 42556 KB Output is correct
73 Correct 657 ms 40980 KB Output is correct
74 Correct 906 ms 41192 KB Output is correct
75 Correct 562 ms 42700 KB Output is correct
76 Correct 882 ms 41044 KB Output is correct
77 Correct 884 ms 40868 KB Output is correct
78 Correct 311 ms 44884 KB Output is correct
79 Correct 436 ms 38872 KB Output is correct
80 Correct 491 ms 41808 KB Output is correct
81 Correct 740 ms 41684 KB Output is correct
82 Correct 949 ms 40704 KB Output is correct
83 Correct 577 ms 40016 KB Output is correct
84 Correct 962 ms 40768 KB Output is correct
85 Correct 859 ms 40880 KB Output is correct
86 Correct 288 ms 38728 KB Output is correct
87 Correct 484 ms 41812 KB Output is correct
88 Correct 505 ms 38652 KB Output is correct
89 Correct 682 ms 40340 KB Output is correct
90 Correct 868 ms 40876 KB Output is correct
91 Correct 567 ms 39940 KB Output is correct
92 Correct 903 ms 41044 KB Output is correct
93 Correct 845 ms 30004 KB Output is correct
94 Correct 242 ms 27728 KB Output is correct
95 Correct 631 ms 29780 KB Output is correct
96 Correct 606 ms 29780 KB Output is correct
97 Correct 623 ms 30036 KB Output is correct
98 Correct 621 ms 29796 KB Output is correct
99 Correct 647 ms 30036 KB Output is correct
100 Correct 633 ms 29784 KB Output is correct