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답안 #934410

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
934410 2024-02-27T09:56:22 Z MinaRagy06 Snake Escaping (JOI18_snake_escaping) C++17
22 / 100
 799 ms 65536 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long


int dp[21][1 << 20], dp2[21][1 << 20];
int main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    int n, q;
    cin >> n >> q;
    int m = n;
    n = 1 << n;
    int a[n];
    for (int i = 0; i < n; i++) {
        char c;
        cin >> c;
        a[i] = c - '0';
    }
    for (int i = 0; i < n; i++) dp[m][i] = a[i], dp2[m][i] = a[i];
    for (int i = m - 1; i >= 0; i--) {
        for (int j = 0; j < n; j++) {
            dp[i][j] = dp[i + 1][j];
            dp2[i][j] = dp2[i + 1][j];
            if ((j >> i) & 1) {
                dp[i][j] += dp[i + 1][j ^ (1 << i)];
            } else {
                dp2[i][j] += dp2[i + 1][j ^ (1 << i)];
            }
        }
    }
    while (q--) {
        string s;
        cin >> s;
        int frq[3]{};
        for (int i = 0; i < m; i++) {
            if (s[i] == '?') {
                frq[2]++;
            } else {
                frq[s[i] - '0']++;
            }
        }
        reverse(s.begin(), s.end());
        int ans = 0;
        if (frq[2] <= frq[0] && frq[2] <= frq[1]) {
            for (int msk = 0; msk < (1 << frq[2]); msk++) {
                int cur = 0;
                int v = 0;
                for (int i = 0; i < m; i++) {
                    int b = s[i] - '0';
                    if (s[i] == '?') {
                        b = (msk >> (cur++)) & 1;
                    }
                    v += b << i;
                }
                ans += a[v];
            }
        } else if (frq[1] <= frq[0] && frq[1] <= frq[2]) {
            for (int msk = 0; msk < (1 << frq[1]); msk++) {
                int cur = 0, v = 0;
                for (int i = 0; i < m; i++) {
                    int b = s[i] - '0';
                    if (s[i] == '?') b = 1;
                    if (s[i] == '1') b = ((msk >> (cur++)) & 1);
                    v += b << i;
                }
                int cnt = __builtin_popcount(msk);
                if ((frq[1] - cnt) & 1) {
                    ans -= dp[0][v];
                } else {
                    ans += dp[0][v];
                }
            }
        } else {
            for (int msk = 0; msk < (1 << frq[0]); msk++) {
                int cur = 0, v = 0;
                for (int i = 0; i < m; i++) {
                    int b = s[i] - '0';
                    if (s[i] == '?') b = 0;
                    if (s[i] == '0') b = ((msk >> (cur++)) & 1);
                    v += b << i;
                }
                int cnt = __builtin_popcount(msk);
                if (cnt & 1) {
                    ans -= dp2[0][v];
                } else {
                    ans += dp2[0][v];
                }
            }
        }
        cout << ans << '\n';
    }
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 41308 KB Output is correct
2 Correct 5 ms 39260 KB Output is correct
3 Correct 6 ms 41432 KB Output is correct
4 Correct 5 ms 39260 KB Output is correct
5 Correct 5 ms 39260 KB Output is correct
6 Correct 5 ms 39260 KB Output is correct
7 Correct 5 ms 39384 KB Output is correct
8 Correct 5 ms 39260 KB Output is correct
9 Correct 5 ms 39260 KB Output is correct
10 Correct 5 ms 39260 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 41308 KB Output is correct
2 Correct 5 ms 39260 KB Output is correct
3 Correct 6 ms 41432 KB Output is correct
4 Correct 5 ms 39260 KB Output is correct
5 Correct 5 ms 39260 KB Output is correct
6 Correct 5 ms 39260 KB Output is correct
7 Correct 5 ms 39384 KB Output is correct
8 Correct 5 ms 39260 KB Output is correct
9 Correct 5 ms 39260 KB Output is correct
10 Correct 5 ms 39260 KB Output is correct
11 Correct 190 ms 49424 KB Output is correct
12 Correct 203 ms 48720 KB Output is correct
13 Correct 261 ms 48224 KB Output is correct
14 Correct 267 ms 47956 KB Output is correct
15 Correct 292 ms 48984 KB Output is correct
16 Correct 367 ms 48244 KB Output is correct
17 Correct 329 ms 48120 KB Output is correct
18 Correct 153 ms 50040 KB Output is correct
19 Correct 146 ms 46988 KB Output is correct
20 Correct 206 ms 48680 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 41308 KB Output is correct
2 Correct 5 ms 39260 KB Output is correct
3 Correct 6 ms 41432 KB Output is correct
4 Correct 5 ms 39260 KB Output is correct
5 Correct 5 ms 39260 KB Output is correct
6 Correct 5 ms 39260 KB Output is correct
7 Correct 5 ms 39384 KB Output is correct
8 Correct 5 ms 39260 KB Output is correct
9 Correct 5 ms 39260 KB Output is correct
10 Correct 5 ms 39260 KB Output is correct
11 Correct 190 ms 49424 KB Output is correct
12 Correct 203 ms 48720 KB Output is correct
13 Correct 261 ms 48224 KB Output is correct
14 Correct 267 ms 47956 KB Output is correct
15 Correct 292 ms 48984 KB Output is correct
16 Correct 367 ms 48244 KB Output is correct
17 Correct 329 ms 48120 KB Output is correct
18 Correct 153 ms 50040 KB Output is correct
19 Correct 146 ms 46988 KB Output is correct
20 Correct 206 ms 48680 KB Output is correct
21 Correct 232 ms 50984 KB Output is correct
22 Correct 255 ms 51028 KB Output is correct
23 Correct 436 ms 50088 KB Output is correct
24 Correct 567 ms 51896 KB Output is correct
25 Correct 400 ms 52104 KB Output is correct
26 Correct 593 ms 52304 KB Output is correct
27 Correct 531 ms 50256 KB Output is correct
28 Correct 170 ms 53072 KB Output is correct
29 Correct 157 ms 48976 KB Output is correct
30 Correct 271 ms 51108 KB Output is correct
31 Correct 552 ms 53076 KB Output is correct
32 Correct 799 ms 44116 KB Output is correct
33 Correct 327 ms 42532 KB Output is correct
34 Correct 554 ms 42724 KB Output is correct
35 Correct 521 ms 43088 KB Output is correct
36 Correct 161 ms 41800 KB Output is correct
37 Correct 244 ms 45968 KB Output is correct
38 Correct 156 ms 41688 KB Output is correct
39 Correct 441 ms 43004 KB Output is correct
40 Correct 553 ms 44960 KB Output is correct

Subtask #4
0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 41308 KB Output is correct
2 Correct 5 ms 39260 KB Output is correct
3 Correct 6 ms 41432 KB Output is correct
4 Correct 5 ms 39260 KB Output is correct
5 Correct 5 ms 39260 KB Output is correct
6 Correct 5 ms 39260 KB Output is correct
7 Correct 5 ms 39384 KB Output is correct
8 Correct 5 ms 39260 KB Output is correct
9 Correct 5 ms 39260 KB Output is correct
10 Correct 5 ms 39260 KB Output is correct
11 Runtime error 39 ms 65536 KB Execution killed with signal 9
12 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 41308 KB Output is correct
2 Correct 5 ms 39260 KB Output is correct
3 Correct 6 ms 41432 KB Output is correct
4 Correct 5 ms 39260 KB Output is correct
5 Correct 5 ms 39260 KB Output is correct
6 Correct 5 ms 39260 KB Output is correct
7 Correct 5 ms 39384 KB Output is correct
8 Correct 5 ms 39260 KB Output is correct
9 Correct 5 ms 39260 KB Output is correct
10 Correct 5 ms 39260 KB Output is correct
11 Correct 190 ms 49424 KB Output is correct
12 Correct 203 ms 48720 KB Output is correct
13 Correct 261 ms 48224 KB Output is correct
14 Correct 267 ms 47956 KB Output is correct
15 Correct 292 ms 48984 KB Output is correct
16 Correct 367 ms 48244 KB Output is correct
17 Correct 329 ms 48120 KB Output is correct
18 Correct 153 ms 50040 KB Output is correct
19 Correct 146 ms 46988 KB Output is correct
20 Correct 206 ms 48680 KB Output is correct
21 Correct 232 ms 50984 KB Output is correct
22 Correct 255 ms 51028 KB Output is correct
23 Correct 436 ms 50088 KB Output is correct
24 Correct 567 ms 51896 KB Output is correct
25 Correct 400 ms 52104 KB Output is correct
26 Correct 593 ms 52304 KB Output is correct
27 Correct 531 ms 50256 KB Output is correct
28 Correct 170 ms 53072 KB Output is correct
29 Correct 157 ms 48976 KB Output is correct
30 Correct 271 ms 51108 KB Output is correct
31 Correct 552 ms 53076 KB Output is correct
32 Correct 799 ms 44116 KB Output is correct
33 Correct 327 ms 42532 KB Output is correct
34 Correct 554 ms 42724 KB Output is correct
35 Correct 521 ms 43088 KB Output is correct
36 Correct 161 ms 41800 KB Output is correct
37 Correct 244 ms 45968 KB Output is correct
38 Correct 156 ms 41688 KB Output is correct
39 Correct 441 ms 43004 KB Output is correct
40 Correct 553 ms 44960 KB Output is correct
41 Runtime error 39 ms 65536 KB Execution killed with signal 9
42 Halted 0 ms 0 KB -