oj.uz

답안 #227611

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
227611 2020-04-28T06:09:10 Z dolphingarlic Snake Escaping (JOI18_snake_escaping) C++14
100 / 100
 1402 ms 39320 KB 
#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;

int l, q, a, b, c, sos[1 << 20], rsos[1 << 20];
string s, k;

int solve_a() { // Brute force over '?'
    int ans = 0, base = 0, mask = 0;
    FOR(i, 0, l) {
        if (k[i] == '?') mask += 1 << i;
        else if (k[i] == '1') base += 1 << i;
    }
    for (int i = mask; i; i = mask & (i - 1)) ans += s[i | base] - '0';
    ans += s[base] - '0';
    return ans;
}

int solve_b() { // Brute force over '0'
    int ans = 0, base = 0, mask = 0;
    FOR(i, 0, l) {
        if (k[i] == '0') mask += 1 << i;
        else if (k[i] == '?') base += 1 << i;
    }
    for (int i = mask; i; i = mask & (i - 1)) ans += ((b - __builtin_popcount(i)) & 1 ? -1 : 1) * rsos[i | base];
    ans += (b & 1 ? -1 : 1) * rsos[base];
    return ans;
}

int solve_c() { // Brute force over '1'
    int ans = 0, base = 0, mask = 0;
    FOR(i, 0, l) {
        if (k[i] == '1') mask += 1 << i;
        else if (k[i] == '?') base += 1 << i;
    }
    for (int i = mask; i; i = mask & (i - 1)) ans += ((c - __builtin_popcount(i)) & 1 ? -1 : 1) * sos[i | base];
    ans += (c & 1 ? -1 : 1) * sos[base];
    return ans;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> l >> q >> s;
    FOR(i, 0, 1 << l) sos[i] = s[i] - '0', rsos[i] = s[(1 << l) - i - 1] - '0';
    FOR(i, 0, l) FOR(j, 0, (1 << l)) if (j & (1 << i))
        sos[j] += sos[j ^ (1 << i)], rsos[j] += rsos[j ^ (1 << i)];

    while (q--) {
        cin >> k;
        reverse(k.begin(), k.end());
        a = b = c = 0;
        FOR(i, 0, l) {
            if (k[i] == '?') a++;
            if (k[i] == '0') b++;
            if (k[i] == '1') c++;
        }
        
        if (a < 7) cout << solve_a() << '\n';
        else if (b < 7) cout << solve_b() << '\n';
        else cout << solve_c() << '\n';
    }
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 416 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 416 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 314 ms 15124 KB Output is correct
12 Correct 321 ms 14944 KB Output is correct
13 Correct 298 ms 14072 KB Output is correct
14 Correct 302 ms 14200 KB Output is correct
15 Correct 386 ms 15480 KB Output is correct
16 Correct 352 ms 14408 KB Output is correct
17 Correct 341 ms 14328 KB Output is correct
18 Correct 221 ms 16120 KB Output is correct
19 Correct 254 ms 13096 KB Output is correct
20 Correct 321 ms 14840 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 416 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 314 ms 15124 KB Output is correct
12 Correct 321 ms 14944 KB Output is correct
13 Correct 298 ms 14072 KB Output is correct
14 Correct 302 ms 14200 KB Output is correct
15 Correct 386 ms 15480 KB Output is correct
16 Correct 352 ms 14408 KB Output is correct
17 Correct 341 ms 14328 KB Output is correct
18 Correct 221 ms 16120 KB Output is correct
19 Correct 254 ms 13096 KB Output is correct
20 Correct 321 ms 14840 KB Output is correct
21 Correct 300 ms 18296 KB Output is correct
22 Correct 460 ms 18376 KB Output is correct
23 Correct 378 ms 17400 KB Output is correct
24 Correct 368 ms 17144 KB Output is correct
25 Correct 384 ms 19192 KB Output is correct
26 Correct 411 ms 17656 KB Output is correct
27 Correct 408 ms 17704 KB Output is correct
28 Correct 253 ms 20216 KB Output is correct
29 Correct 282 ms 16120 KB Output is correct
30 Correct 357 ms 18552 KB Output is correct
31 Correct 464 ms 18296 KB Output is correct
32 Correct 419 ms 18296 KB Output is correct
33 Correct 330 ms 17128 KB Output is correct
34 Correct 371 ms 17272 KB Output is correct
35 Correct 408 ms 17856 KB Output is correct
36 Correct 229 ms 16120 KB Output is correct
37 Correct 412 ms 18364 KB Output is correct
38 Correct 296 ms 16248 KB Output is correct
39 Correct 385 ms 17300 KB Output is correct
40 Correct 381 ms 17144 KB Output is correct

Subtask #4
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 416 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 61 ms 12060 KB Output is correct
12 Correct 59 ms 12060 KB Output is correct
13 Correct 68 ms 11928 KB Output is correct
14 Correct 77 ms 11928 KB Output is correct
15 Correct 62 ms 12056 KB Output is correct
16 Correct 75 ms 11928 KB Output is correct
17 Correct 74 ms 12184 KB Output is correct
18 Correct 48 ms 12184 KB Output is correct
19 Correct 54 ms 11928 KB Output is correct
20 Correct 62 ms 12236 KB Output is correct
21 Correct 80 ms 12060 KB Output is correct
22 Correct 90 ms 11928 KB Output is correct
23 Correct 61 ms 11928 KB Output is correct
24 Correct 75 ms 12088 KB Output is correct
25 Correct 76 ms 11928 KB Output is correct
26 Correct 48 ms 11928 KB Output is correct
27 Correct 55 ms 12060 KB Output is correct
28 Correct 53 ms 11928 KB Output is correct
29 Correct 61 ms 12056 KB Output is correct
30 Correct 62 ms 11932 KB Output is correct
31 Correct 59 ms 11928 KB Output is correct
32 Correct 102 ms 12056 KB Output is correct
33 Correct 73 ms 12056 KB Output is correct
34 Correct 49 ms 11800 KB Output is correct
35 Correct 67 ms 12056 KB Output is correct
36 Correct 69 ms 12084 KB Output is correct
37 Correct 69 ms 11928 KB Output is correct
38 Correct 67 ms 12056 KB Output is correct
39 Correct 70 ms 11928 KB Output is correct
40 Correct 85 ms 11928 KB Output is correct

Subtask #5
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 416 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 314 ms 15124 KB Output is correct
12 Correct 321 ms 14944 KB Output is correct
13 Correct 298 ms 14072 KB Output is correct
14 Correct 302 ms 14200 KB Output is correct
15 Correct 386 ms 15480 KB Output is correct
16 Correct 352 ms 14408 KB Output is correct
17 Correct 341 ms 14328 KB Output is correct
18 Correct 221 ms 16120 KB Output is correct
19 Correct 254 ms 13096 KB Output is correct
20 Correct 321 ms 14840 KB Output is correct
21 Correct 300 ms 18296 KB Output is correct
22 Correct 460 ms 18376 KB Output is correct
23 Correct 378 ms 17400 KB Output is correct
24 Correct 368 ms 17144 KB Output is correct
25 Correct 384 ms 19192 KB Output is correct
26 Correct 411 ms 17656 KB Output is correct
27 Correct 408 ms 17704 KB Output is correct
28 Correct 253 ms 20216 KB Output is correct
29 Correct 282 ms 16120 KB Output is correct
30 Correct 357 ms 18552 KB Output is correct
31 Correct 464 ms 18296 KB Output is correct
32 Correct 419 ms 18296 KB Output is correct
33 Correct 330 ms 17128 KB Output is correct
34 Correct 371 ms 17272 KB Output is correct
35 Correct 408 ms 17856 KB Output is correct
36 Correct 229 ms 16120 KB Output is correct
37 Correct 412 ms 18364 KB Output is correct
38 Correct 296 ms 16248 KB Output is correct
39 Correct 385 ms 17300 KB Output is correct
40 Correct 381 ms 17144 KB Output is correct
41 Correct 61 ms 12060 KB Output is correct
42 Correct 59 ms 12060 KB Output is correct
43 Correct 68 ms 11928 KB Output is correct
44 Correct 77 ms 11928 KB Output is correct
45 Correct 62 ms 12056 KB Output is correct
46 Correct 75 ms 11928 KB Output is correct
47 Correct 74 ms 12184 KB Output is correct
48 Correct 48 ms 12184 KB Output is correct
49 Correct 54 ms 11928 KB Output is correct
50 Correct 62 ms 12236 KB Output is correct
51 Correct 80 ms 12060 KB Output is correct
52 Correct 90 ms 11928 KB Output is correct
53 Correct 61 ms 11928 KB Output is correct
54 Correct 75 ms 12088 KB Output is correct
55 Correct 76 ms 11928 KB Output is correct
56 Correct 48 ms 11928 KB Output is correct
57 Correct 55 ms 12060 KB Output is correct
58 Correct 53 ms 11928 KB Output is correct
59 Correct 61 ms 12056 KB Output is correct
60 Correct 62 ms 11932 KB Output is correct
61 Correct 59 ms 11928 KB Output is correct
62 Correct 102 ms 12056 KB Output is correct
63 Correct 73 ms 12056 KB Output is correct
64 Correct 49 ms 11800 KB Output is correct
65 Correct 67 ms 12056 KB Output is correct
66 Correct 69 ms 12084 KB Output is correct
67 Correct 69 ms 11928 KB Output is correct
68 Correct 67 ms 12056 KB Output is correct
69 Correct 70 ms 11928 KB Output is correct
70 Correct 85 ms 11928 KB Output is correct
71 Correct 452 ms 36460 KB Output is correct
72 Correct 474 ms 36504 KB Output is correct
73 Correct 530 ms 35044 KB Output is correct
74 Correct 1006 ms 35608 KB Output is correct
75 Correct 557 ms 37356 KB Output is correct
76 Correct 1174 ms 35848 KB Output is correct
77 Correct 802 ms 35680 KB Output is correct
78 Correct 321 ms 39320 KB Output is correct
79 Correct 383 ms 33560 KB Output is correct
80 Correct 527 ms 36508 KB Output is correct
81 Correct 692 ms 36376 KB Output is correct
82 Correct 1402 ms 35380 KB Output is correct
83 Correct 452 ms 34584 KB Output is correct
84 Correct 599 ms 35592 KB Output is correct
85 Correct 913 ms 35536 KB Output is correct
86 Correct 289 ms 33432 KB Output is correct
87 Correct 449 ms 36500 KB Output is correct
88 Correct 385 ms 33428 KB Output is correct
89 Correct 524 ms 34972 KB Output is correct
90 Correct 608 ms 35452 KB Output is correct
91 Correct 442 ms 34528 KB Output is correct
92 Correct 954 ms 35736 KB Output is correct
93 Correct 837 ms 35608 KB Output is correct
94 Correct 294 ms 33432 KB Output is correct
95 Correct 694 ms 35436 KB Output is correct
96 Correct 681 ms 35688 KB Output is correct
97 Correct 684 ms 35580 KB Output is correct
98 Correct 859 ms 35480 KB Output is correct
99 Correct 820 ms 35476 KB Output is correct
100 Correct 766 ms 35476 KB Output is correct