oj.uz

답안 #1098880

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1098880 2024-10-10T09:30:05 Z steveonalex Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 522 ms 39144 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
#define MASK(i) (1LL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
#define block_of_code if(true)
 
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
ll gcd(ll a, ll b){return __gcd(a, b);}
ll lcm(ll a, ll b){return a / gcd(a, b) * b;}
 
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ll mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}
 
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
double rngesus_d(double l, double r){
    double cur = rngesus(0, MASK(60) - 1);
    cur /= MASK(60) - 1;
    return l + cur * (r - l);
}
 
template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b) {a = b; return true;}
        return false;
    }
 
template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b) {a = b; return true;}
        return false;
    }
 
template <class T>
    void printArr(T container, string separator = " ", string finish = "\n", ostream &out = cout){
        for(auto item: container) out << item << separator;
        out << finish;
    }
 
template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }
 
 
 
int main(void){
    ios::sync_with_stdio(0);cin.tie(0); cout.tie(0);
    clock_t start = clock();
 
    int l, q; cin >> l >> q;
    string s; cin >> s;
 
    int sum1[MASK(l)], sum2[MASK(l)];
    memset(sum1, 0, sizeof sum1);
    for(int i= 0; i<MASK(l); ++i){
        sum1[i] = s[i] - '0';
        sum2[i] = s[i] - '0';
    }
 
    for(int j = 0; j < l; ++j) for(int i = 0; i<MASK(l); ++i) if (GETBIT(i, j)){
        sum1[i] += sum1[i - MASK(j)];
    }
    for(int j = 0; j < l; ++j) for(int i = 0; i<MASK(l); ++i) if (!GETBIT(i, j)){
        sum2[i] += sum2[i + MASK(j)];
    }


 
    while(q--){
        string _s; cin >> _s;
        reverse(ALL(_s));
 
        int mask1 = 0, mask2 = 0;
        for(int i = 0; i<l; ++i) {
            if (_s[i] == '1') mask1 += MASK(i);
            else if (_s[i] == '?') mask2 += MASK(i);
        }
 
        if (pop_cnt(mask2) <= 6){
            int ans = 0;
            for(int mask = mask2; mask >= 0; mask = (mask - 1) & mask2){
                ans += s[mask + mask1] - '0';
                if (mask == 0) break;
            }
            cout << ans << "\n";
        }
        else if (pop_cnt(mask1) <= 6){
            int ans = 0;
            int cur_pop = pop_cnt(mask1);
            for(int mask = mask1; mask >= 0; mask = (mask - 1) & mask1){
                if ((pop_cnt(mask) & 1) == (cur_pop & 1)) ans += sum1[mask + mask2];
                else ans -= sum1[mask + mask2];
                if (mask == 0) break;
            }
            cout << ans << "\n";
        }
        else{
            int ans = 0;
            int mask3 = (MASK(l) - 1) ^ mask1 ^ mask2;
            for(int mask = mask3; mask >= 0; mask = (mask - 1) & mask3){
                if (pop_cnt(mask) & 1) ans -= sum2[mask1 + mask];
                else ans += sum2[mask1 + mask];
                if (mask == 0) break;
            }
            cout << ans << "\n";
        }
    }
 
    cerr << "Time elapsed: " << clock() - start << " ms\n";
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 169 ms 4388 KB Output is correct
12 Correct 137 ms 3924 KB Output is correct
13 Correct 138 ms 3156 KB Output is correct
14 Correct 145 ms 3376 KB Output is correct
15 Correct 177 ms 4432 KB Output is correct
16 Correct 163 ms 3484 KB Output is correct
17 Correct 163 ms 3496 KB Output is correct
18 Correct 107 ms 5456 KB Output is correct
19 Correct 131 ms 2216 KB Output is correct
20 Correct 166 ms 3924 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 169 ms 4388 KB Output is correct
12 Correct 137 ms 3924 KB Output is correct
13 Correct 138 ms 3156 KB Output is correct
14 Correct 145 ms 3376 KB Output is correct
15 Correct 177 ms 4432 KB Output is correct
16 Correct 163 ms 3484 KB Output is correct
17 Correct 163 ms 3496 KB Output is correct
18 Correct 107 ms 5456 KB Output is correct
19 Correct 131 ms 2216 KB Output is correct
20 Correct 166 ms 3924 KB Output is correct
21 Correct 325 ms 4520 KB Output is correct
22 Correct 137 ms 4480 KB Output is correct
23 Correct 165 ms 3668 KB Output is correct
24 Correct 152 ms 3408 KB Output is correct
25 Correct 156 ms 5488 KB Output is correct
26 Correct 197 ms 3920 KB Output is correct
27 Correct 189 ms 3920 KB Output is correct
28 Correct 122 ms 6536 KB Output is correct
29 Correct 145 ms 2388 KB Output is correct
30 Correct 243 ms 4632 KB Output is correct
31 Correct 191 ms 4436 KB Output is correct
32 Correct 161 ms 4436 KB Output is correct
33 Correct 155 ms 3412 KB Output is correct
34 Correct 160 ms 3436 KB Output is correct
35 Correct 179 ms 3776 KB Output is correct
36 Correct 97 ms 2388 KB Output is correct
37 Correct 158 ms 4340 KB Output is correct
38 Correct 167 ms 2392 KB Output is correct
39 Correct 168 ms 3500 KB Output is correct
40 Correct 154 ms 3412 KB Output is correct

Subtask #4
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 40 ms 9968 KB Output is correct
12 Correct 39 ms 12016 KB Output is correct
13 Correct 43 ms 11896 KB Output is correct
14 Correct 52 ms 12016 KB Output is correct
15 Correct 44 ms 12016 KB Output is correct
16 Correct 52 ms 11848 KB Output is correct
17 Correct 49 ms 11852 KB Output is correct
18 Correct 38 ms 12272 KB Output is correct
19 Correct 41 ms 11764 KB Output is correct
20 Correct 43 ms 12024 KB Output is correct
21 Correct 45 ms 12024 KB Output is correct
22 Correct 54 ms 12040 KB Output is correct
23 Correct 42 ms 11856 KB Output is correct
24 Correct 46 ms 12016 KB Output is correct
25 Correct 47 ms 12020 KB Output is correct
26 Correct 37 ms 11848 KB Output is correct
27 Correct 37 ms 12016 KB Output is correct
28 Correct 41 ms 11764 KB Output is correct
29 Correct 44 ms 12016 KB Output is correct
30 Correct 45 ms 12008 KB Output is correct
31 Correct 43 ms 12020 KB Output is correct
32 Correct 50 ms 12272 KB Output is correct
33 Correct 47 ms 11844 KB Output is correct
34 Correct 37 ms 11760 KB Output is correct
35 Correct 45 ms 12024 KB Output is correct
36 Correct 44 ms 12024 KB Output is correct
37 Correct 48 ms 11828 KB Output is correct
38 Correct 46 ms 11852 KB Output is correct
39 Correct 44 ms 12020 KB Output is correct
40 Correct 47 ms 12020 KB Output is correct

Subtask #5
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 169 ms 4388 KB Output is correct
12 Correct 137 ms 3924 KB Output is correct
13 Correct 138 ms 3156 KB Output is correct
14 Correct 145 ms 3376 KB Output is correct
15 Correct 177 ms 4432 KB Output is correct
16 Correct 163 ms 3484 KB Output is correct
17 Correct 163 ms 3496 KB Output is correct
18 Correct 107 ms 5456 KB Output is correct
19 Correct 131 ms 2216 KB Output is correct
20 Correct 166 ms 3924 KB Output is correct
21 Correct 325 ms 4520 KB Output is correct
22 Correct 137 ms 4480 KB Output is correct
23 Correct 165 ms 3668 KB Output is correct
24 Correct 152 ms 3408 KB Output is correct
25 Correct 156 ms 5488 KB Output is correct
26 Correct 197 ms 3920 KB Output is correct
27 Correct 189 ms 3920 KB Output is correct
28 Correct 122 ms 6536 KB Output is correct
29 Correct 145 ms 2388 KB Output is correct
30 Correct 243 ms 4632 KB Output is correct
31 Correct 191 ms 4436 KB Output is correct
32 Correct 161 ms 4436 KB Output is correct
33 Correct 155 ms 3412 KB Output is correct
34 Correct 160 ms 3436 KB Output is correct
35 Correct 179 ms 3776 KB Output is correct
36 Correct 97 ms 2388 KB Output is correct
37 Correct 158 ms 4340 KB Output is correct
38 Correct 167 ms 2392 KB Output is correct
39 Correct 168 ms 3500 KB Output is correct
40 Correct 154 ms 3412 KB Output is correct
41 Correct 40 ms 9968 KB Output is correct
42 Correct 39 ms 12016 KB Output is correct
43 Correct 43 ms 11896 KB Output is correct
44 Correct 52 ms 12016 KB Output is correct
45 Correct 44 ms 12016 KB Output is correct
46 Correct 52 ms 11848 KB Output is correct
47 Correct 49 ms 11852 KB Output is correct
48 Correct 38 ms 12272 KB Output is correct
49 Correct 41 ms 11764 KB Output is correct
50 Correct 43 ms 12024 KB Output is correct
51 Correct 45 ms 12024 KB Output is correct
52 Correct 54 ms 12040 KB Output is correct
53 Correct 42 ms 11856 KB Output is correct
54 Correct 46 ms 12016 KB Output is correct
55 Correct 47 ms 12020 KB Output is correct
56 Correct 37 ms 11848 KB Output is correct
57 Correct 37 ms 12016 KB Output is correct
58 Correct 41 ms 11764 KB Output is correct
59 Correct 44 ms 12016 KB Output is correct
60 Correct 45 ms 12008 KB Output is correct
61 Correct 43 ms 12020 KB Output is correct
62 Correct 50 ms 12272 KB Output is correct
63 Correct 47 ms 11844 KB Output is correct
64 Correct 37 ms 11760 KB Output is correct
65 Correct 45 ms 12024 KB Output is correct
66 Correct 44 ms 12024 KB Output is correct
67 Correct 48 ms 11828 KB Output is correct
68 Correct 46 ms 11852 KB Output is correct
69 Correct 44 ms 12020 KB Output is correct
70 Correct 47 ms 12020 KB Output is correct
71 Correct 267 ms 36280 KB Output is correct
72 Correct 201 ms 36340 KB Output is correct
73 Correct 273 ms 34884 KB Output is correct
74 Correct 506 ms 35124 KB Output is correct
75 Correct 288 ms 37292 KB Output is correct
76 Correct 448 ms 35832 KB Output is correct
77 Correct 389 ms 35312 KB Output is correct
78 Correct 196 ms 39144 KB Output is correct
79 Correct 263 ms 33220 KB Output is correct
80 Correct 290 ms 36336 KB Output is correct
81 Correct 345 ms 36336 KB Output is correct
82 Correct 522 ms 35316 KB Output is correct
83 Correct 260 ms 34296 KB Output is correct
84 Correct 334 ms 35316 KB Output is correct
85 Correct 355 ms 35312 KB Output is correct
86 Correct 175 ms 33336 KB Output is correct
87 Correct 188 ms 36168 KB Output is correct
88 Correct 268 ms 33112 KB Output is correct
89 Correct 335 ms 34804 KB Output is correct
90 Correct 369 ms 35296 KB Output is correct
91 Correct 237 ms 34352 KB Output is correct
92 Correct 419 ms 35640 KB Output is correct
93 Correct 359 ms 35564 KB Output is correct
94 Correct 167 ms 33264 KB Output is correct
95 Correct 373 ms 35300 KB Output is correct
96 Correct 351 ms 35316 KB Output is correct
97 Correct 334 ms 35324 KB Output is correct
98 Correct 351 ms 35404 KB Output is correct
99 Correct 360 ms 35316 KB Output is correct
100 Correct 371 ms 35312 KB Output is correct