oj.uz

Submission #1050491

# Submission time Handle Problem Language Result Execution time Memory
1050491 2024-08-09T10:12:42 Z vjudge1 Snake Escaping (JOI18_snake_escaping) C++17
65 / 100
 2000 ms 27984 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;
        map<char,int> cnt;
        for (char c: s) {
            ++cnt[c];
        }
        reverse(all(s));
        int mask = 0;
        map<char,vector<int>> v;
        for (int i = 0; i < n; ++i) {
            v[s[i]].pub(i);
            if (s[i] != '?') {
                mask += (1 << i)*(s[i] - '0');
            }
        }
        int ans = 0;
        if (cnt['?'] <= 7) {
            for (int mask1 = 0; mask1 < (1 << cnt['?']); ++mask1) {
                int nmask = mask;
                for (int i = 0; i < cnt['?']; ++i) {
                    if ((mask1 >> i) & 1) {
                        nmask += (1 << v['?'][i]);
                    }
                }
                ans += a[nmask];
            }
        }
        else if (cnt['1'] <= 7) {
            for (int i: v['?']) {
                mask += (1 << i);
            }
            for (int mask1 = 0; mask1 < (1 << cnt['1']); ++mask1) {
                int nmask = mask;
                for (int i = 0; i < cnt['1']; ++i) {
                    if ((mask1 >> i) & 1) {
                        nmask -= (1 << v['1'][i]);
                    }
                }
                if (__builtin_popcount(mask1) % 2) {
                    ans -= sub[nmask];
                }
                else {
                    ans += sub[nmask];
                }
            }
        }
        else {
            for (int mask1 = 0; mask1 < (1 << cnt['0']); ++mask1) {
                int nmask = mask;
                for (int i = 0; i < cnt['0']; ++i) {
                    if ((mask1 >> i) & 1) {
                        nmask += (1 << v['0'][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 2 ms 4444 KB Output is correct
2 Correct 2 ms 2396 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 2 ms 348 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 2 ms 2396 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 1032 ms 12996 KB Output is correct
12 Correct 1532 ms 13844 KB Output is correct
13 Correct 589 ms 12940 KB Output is correct
14 Correct 615 ms 12964 KB Output is correct
15 Correct 1791 ms 14040 KB Output is correct
16 Correct 825 ms 13216 KB Output is correct
17 Correct 916 ms 13216 KB Output is correct
18 Correct 293 ms 15140 KB Output is correct
19 Correct 382 ms 12116 KB Output is correct
20 Correct 1746 ms 13736 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 2 ms 2396 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 1032 ms 12996 KB Output is correct
12 Correct 1532 ms 13844 KB Output is correct
13 Correct 589 ms 12940 KB Output is correct
14 Correct 615 ms 12964 KB Output is correct
15 Correct 1791 ms 14040 KB Output is correct
16 Correct 825 ms 13216 KB Output is correct
17 Correct 916 ms 13216 KB Output is correct
18 Correct 293 ms 15140 KB Output is correct
19 Correct 382 ms 12116 KB Output is correct
20 Correct 1746 ms 13736 KB Output is correct
21 Execution timed out 2064 ms 12680 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 2 ms 2396 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 83 ms 26888 KB Output is correct
12 Correct 80 ms 27984 KB Output is correct
13 Correct 111 ms 27984 KB Output is correct
14 Correct 223 ms 27984 KB Output is correct
15 Correct 78 ms 27984 KB Output is correct
16 Correct 164 ms 27948 KB Output is correct
17 Correct 164 ms 27728 KB Output is correct
18 Correct 54 ms 27728 KB Output is correct
19 Correct 67 ms 27472 KB Output is correct
20 Correct 121 ms 27732 KB Output is correct
21 Correct 133 ms 27868 KB Output is correct
22 Correct 218 ms 27968 KB Output is correct
23 Correct 85 ms 27500 KB Output is correct
24 Correct 152 ms 27584 KB Output is correct
25 Correct 154 ms 27744 KB Output is correct
26 Correct 48 ms 27728 KB Output is correct
27 Correct 67 ms 27984 KB Output is correct
28 Correct 88 ms 27748 KB Output is correct
29 Correct 120 ms 27472 KB Output is correct
30 Correct 145 ms 27788 KB Output is correct
31 Correct 86 ms 27728 KB Output is correct
32 Correct 166 ms 27732 KB Output is correct
33 Correct 158 ms 27728 KB Output is correct
34 Correct 52 ms 27472 KB Output is correct
35 Correct 137 ms 27668 KB Output is correct
36 Correct 127 ms 27732 KB Output is correct
37 Correct 123 ms 27732 KB Output is correct
38 Correct 127 ms 27732 KB Output is correct
39 Correct 126 ms 27728 KB Output is correct
40 Correct 149 ms 27664 KB Output is correct

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4444 KB Output is correct
2 Correct 2 ms 2396 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 1032 ms 12996 KB Output is correct
12 Correct 1532 ms 13844 KB Output is correct
13 Correct 589 ms 12940 KB Output is correct
14 Correct 615 ms 12964 KB Output is correct
15 Correct 1791 ms 14040 KB Output is correct
16 Correct 825 ms 13216 KB Output is correct
17 Correct 916 ms 13216 KB Output is correct
18 Correct 293 ms 15140 KB Output is correct
19 Correct 382 ms 12116 KB Output is correct
20 Correct 1746 ms 13736 KB Output is correct
21 Execution timed out 2064 ms 12680 KB Time limit exceeded
22 Halted 0 ms 0 KB -