oj.uz

Submission #860099

# Submission time Handle Problem Language Result Execution time Memory
860099 2023-10-11T16:02:46 Z green_gold_dog Snake Escaping (JOI18_snake_escaping) C++17
5 / 100
 361 ms 65536 KB 
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,sse,sse2,sse3,ssse3,sse4,abm,popcnt,mmx")
#include <bits/stdc++.h>
 
using namespace std;
 
typedef int ll;
typedef double db;
typedef long double ldb;
typedef complex<double> cd;
 
constexpr ll INF64 = 9'000'000'000'000'000'000, INF32 = 2'000'000'000, MOD = 1'000'000'007;
constexpr db PI = acos(-1);
constexpr bool IS_FILE = false, IS_TEST_CASES = false;
 
random_device rd;
mt19937 rnd32(rd());
mt19937_64 rnd64(rd());
 
template<typename T>
bool assign_max(T& a, T b) {
        if (b > a) {
                a = b;
                return true;
        }
        return false;
}
 
template<typename T>
bool assign_min(T& a, T b) {
        if (b < a) {
                a = b;
                return true;
        }
        return false;
}
 
template<typename T>
T square(T a) {
        return a * a;
}
 
template<>
struct std::hash<pair<ll, ll>> {
        ll operator() (pair<ll, ll> p) const {
                return ((__int128)p.first * MOD + p.second) % INF64;
        }
};
 
void solve() {
        ll l, q;
        cin >> l >> q;
        vector<ll> ans(q, 0);
        vector<ll> arr(1 << l, 0);
        for (ll i = 0; i < (1 << l); i++) {
                char c;
                cin >> c;
                arr[i] = c - '0';
        }
        vector<vector<ll>> all(1 << l);
        vector<ll> o1(q), o0(q);
        for (ll i = 0; i < q; i++) {
                string s;
                cin >> s;
                reverse(s.begin(), s.end());
                for (ll j = 0; j < l; j++) {
                        if (s[j] == '1') {
                                o1[i] += (1 << j);
                                o0[i] += (1 << j);
                        }
                        if (s[j] == '0') {
                                o1[i] += (1 << j);
                        }
                        if (s[j] == '?') {
                                o0[i] += (1 << j);
                        }
                }
                all[o1[i] & o0[i]].push_back(i);
        }
        for (ll i = 0; i < (1 << l); i++) {
                for (auto j : all[i]) {
                        ans[j] += arr[i];
                        if ((1 << l) - 1 != (i | o1[j])) {
                                all[(((i | o1[j]) + 1) | o1[j]) & o0[j]].push_back(j);
                        }
                }
                all[i].clear();
        }
        for (auto i : ans) {
                cout << i << '\n';
        }
}
 
int main() {
        if (IS_FILE) {
                freopen("", "r", stdin);
                freopen("", "w", stdout);
        }
        ios_base::sync_with_stdio(false);
        cin.tie(0);
        cout.tie(0);
        ll t = 1;
        if (IS_TEST_CASES) {
                cin >> t;
        }
        for (ll i = 0; i < t; i++) {
                solve();
        }
}

Compilation message

snake_escaping.cpp:12:22: warning: overflow in conversion from 'long int' to 'll' {aka 'int'} changes value from '9000000000000000000' to '-494665728' [-Woverflow]
   12 | constexpr ll INF64 = 9'000'000'000'000'000'000, INF32 = 2'000'000'000, MOD = 1'000'000'007;
      |                      ^~~~~~~~~~~~~~~~~~~~~~~~~
snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:96:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |                 freopen("", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~
snake_escaping.cpp:97:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   97 |                 freopen("", "w", stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 7 ms 4444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 860 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 7 ms 4444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Runtime error 361 ms 65536 KB Execution killed with signal 9
12 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 7 ms 4444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Runtime error 361 ms 65536 KB Execution killed with signal 9
12 Halted 0 ms 0 KB -

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 7 ms 4444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Runtime error 134 ms 65536 KB Execution killed with signal 9
12 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 7 ms 4444 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 860 KB Output is correct
11 Runtime error 361 ms 65536 KB Execution killed with signal 9
12 Halted 0 ms 0 KB -