oj.uz

Submission #1098300

# Submission time Handle Problem Language Result Execution time Memory
1098300 2024-10-09T08:47:48 Z TrinhKhanhDung Snake Escaping (JOI18_snake_escaping) C++14
100 / 100
 601 ms 39412 KB 
#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define sz(x) (int)x.size()
#define ALL(v) v.begin(),v.end()
#define MASK(k) (1LL << (k))
#define BIT(x, i) (((x) >> (i)) & 1)
#define oo (ll)1e18
#define INF (ll)1e9
#define MOD (ll)(1e9 + 7)

using namespace std;

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 T1, class T2>
    void add(T1 &a, T2 b){a += b; if(a >= MOD) a -= MOD;}

template<class T1, class T2>
    void sub(T1 &a, T2 b){a -= b; if(a < 0) a += MOD;}

template<class T>
    void cps(T &v){sort(ALL(v)); v.resize(unique(ALL(v)) - v.begin());}

const int MAX = 23;

int N, Q;
string cost;
int sum[2][MASK(20) + 10];

void solve(){
    cin >> N >> Q >> cost;
    for(int i = 0; i < MASK(N); i++){
        int c = cost[i] - '0';
        sum[0][i] = sum[1][i] = c;
    }

    for(int j = 0; j < N; j++){
        for(int i = 0; i < MASK(N); i++){
            if(BIT(i, j)){
                sum[0][i] += sum[0][i - MASK(j)];
            }
        }
        for(int i = MASK(N) - 1; i >= 0; i--){
            if(!BIT(i, j)){
                sum[1][i] += sum[1][i + MASK(j)];
            }
        }
    }

    while(Q--){
        string s; cin >> s;
        reverse(ALL(s));
        int mask0 = 0, mask1 = 0, mask2 = 0;
        for(int i = 0; i < N; i++){
            if(s[i] == '0') mask0 += MASK(i);
            if(s[i] == '1') mask1 += MASK(i);
            if(s[i] == '?') mask2 += MASK(i);
        }

        if(__builtin_popcount(mask0) <= 6){
            int ans = 0;
            for(int mask = mask0; mask >= 0; mask = (mask - 1) & mask0){
                if(__builtin_popcount(mask) & 1) ans -= sum[1][mask1 + mask];
                else ans += sum[1][mask1 + mask];
                if(mask == 0) break;
            }
            cout << ans << '\n';
        }
        else if(__builtin_popcount(mask1) <= 6){
            int ans = 0;
            for(int mask = mask1; mask >= 0; mask = (mask - 1) & mask1){
                if(__builtin_popcount(mask) & 1) ans -= sum[0][MASK(N) - 1 - mask0 - mask];
                else ans += sum[0][MASK(N) - 1 - mask0 - mask];
                if(mask == 0) break;
            }
            cout << ans << '\n';
        }
        else{
            int ans = 0;
            for(int mask = mask2; mask >= 0; mask = (mask - 1) & mask2){
                ans += cost[mask1 + mask] - '0';
                if(mask == 0) break;
            }
            cout << ans << '\n';
        }
    }
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
//     freopen("btower.inp","r",stdin);
//     freopen("btower.out","w",stdout);

    int t = 1;
//    cin >> t;
    while(t--){
        solve();
    }

    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 149 ms 15000 KB Output is correct
12 Correct 222 ms 14672 KB Output is correct
13 Correct 271 ms 13908 KB Output is correct
14 Correct 204 ms 14160 KB Output is correct
15 Correct 178 ms 14992 KB Output is correct
16 Correct 188 ms 14188 KB Output is correct
17 Correct 214 ms 14268 KB Output is correct
18 Correct 103 ms 16436 KB Output is correct
19 Correct 211 ms 13184 KB Output is correct
20 Correct 154 ms 14980 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 149 ms 15000 KB Output is correct
12 Correct 222 ms 14672 KB Output is correct
13 Correct 271 ms 13908 KB Output is correct
14 Correct 204 ms 14160 KB Output is correct
15 Correct 178 ms 14992 KB Output is correct
16 Correct 188 ms 14188 KB Output is correct
17 Correct 214 ms 14268 KB Output is correct
18 Correct 103 ms 16436 KB Output is correct
19 Correct 211 ms 13184 KB Output is correct
20 Correct 154 ms 14980 KB Output is correct
21 Correct 160 ms 18052 KB Output is correct
22 Correct 234 ms 18252 KB Output is correct
23 Correct 358 ms 17236 KB Output is correct
24 Correct 266 ms 17020 KB Output is correct
25 Correct 192 ms 19028 KB Output is correct
26 Correct 265 ms 17592 KB Output is correct
27 Correct 257 ms 17748 KB Output is correct
28 Correct 118 ms 20052 KB Output is correct
29 Correct 325 ms 16212 KB Output is correct
30 Correct 200 ms 18256 KB Output is correct
31 Correct 221 ms 18028 KB Output is correct
32 Correct 223 ms 18004 KB Output is correct
33 Correct 207 ms 17252 KB Output is correct
34 Correct 247 ms 17232 KB Output is correct
35 Correct 249 ms 17572 KB Output is correct
36 Correct 113 ms 16024 KB Output is correct
37 Correct 155 ms 18056 KB Output is correct
38 Correct 267 ms 15996 KB Output is correct
39 Correct 220 ms 17236 KB Output is correct
40 Correct 219 ms 17032 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 43 ms 12092 KB Output is correct
12 Correct 45 ms 12016 KB Output is correct
13 Correct 50 ms 11860 KB Output is correct
14 Correct 60 ms 12016 KB Output is correct
15 Correct 45 ms 12112 KB Output is correct
16 Correct 61 ms 12016 KB Output is correct
17 Correct 54 ms 11844 KB Output is correct
18 Correct 43 ms 12116 KB Output is correct
19 Correct 45 ms 11764 KB Output is correct
20 Correct 49 ms 12008 KB Output is correct
21 Correct 50 ms 12024 KB Output is correct
22 Correct 60 ms 11856 KB Output is correct
23 Correct 47 ms 11760 KB Output is correct
24 Correct 54 ms 11852 KB Output is correct
25 Correct 53 ms 11888 KB Output is correct
26 Correct 49 ms 11840 KB Output is correct
27 Correct 43 ms 12108 KB Output is correct
28 Correct 44 ms 11772 KB Output is correct
29 Correct 49 ms 12016 KB Output is correct
30 Correct 60 ms 12016 KB Output is correct
31 Correct 46 ms 12016 KB Output is correct
32 Correct 57 ms 12028 KB Output is correct
33 Correct 74 ms 12020 KB Output is correct
34 Correct 39 ms 11868 KB Output is correct
35 Correct 49 ms 11824 KB Output is correct
36 Correct 50 ms 11856 KB Output is correct
37 Correct 50 ms 12024 KB Output is correct
38 Correct 49 ms 12020 KB Output is correct
39 Correct 50 ms 11848 KB Output is correct
40 Correct 49 ms 11856 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 149 ms 15000 KB Output is correct
12 Correct 222 ms 14672 KB Output is correct
13 Correct 271 ms 13908 KB Output is correct
14 Correct 204 ms 14160 KB Output is correct
15 Correct 178 ms 14992 KB Output is correct
16 Correct 188 ms 14188 KB Output is correct
17 Correct 214 ms 14268 KB Output is correct
18 Correct 103 ms 16436 KB Output is correct
19 Correct 211 ms 13184 KB Output is correct
20 Correct 154 ms 14980 KB Output is correct
21 Correct 160 ms 18052 KB Output is correct
22 Correct 234 ms 18252 KB Output is correct
23 Correct 358 ms 17236 KB Output is correct
24 Correct 266 ms 17020 KB Output is correct
25 Correct 192 ms 19028 KB Output is correct
26 Correct 265 ms 17592 KB Output is correct
27 Correct 257 ms 17748 KB Output is correct
28 Correct 118 ms 20052 KB Output is correct
29 Correct 325 ms 16212 KB Output is correct
30 Correct 200 ms 18256 KB Output is correct
31 Correct 221 ms 18028 KB Output is correct
32 Correct 223 ms 18004 KB Output is correct
33 Correct 207 ms 17252 KB Output is correct
34 Correct 247 ms 17232 KB Output is correct
35 Correct 249 ms 17572 KB Output is correct
36 Correct 113 ms 16024 KB Output is correct
37 Correct 155 ms 18056 KB Output is correct
38 Correct 267 ms 15996 KB Output is correct
39 Correct 220 ms 17236 KB Output is correct
40 Correct 219 ms 17032 KB Output is correct
41 Correct 43 ms 12092 KB Output is correct
42 Correct 45 ms 12016 KB Output is correct
43 Correct 50 ms 11860 KB Output is correct
44 Correct 60 ms 12016 KB Output is correct
45 Correct 45 ms 12112 KB Output is correct
46 Correct 61 ms 12016 KB Output is correct
47 Correct 54 ms 11844 KB Output is correct
48 Correct 43 ms 12116 KB Output is correct
49 Correct 45 ms 11764 KB Output is correct
50 Correct 49 ms 12008 KB Output is correct
51 Correct 50 ms 12024 KB Output is correct
52 Correct 60 ms 11856 KB Output is correct
53 Correct 47 ms 11760 KB Output is correct
54 Correct 54 ms 11852 KB Output is correct
55 Correct 53 ms 11888 KB Output is correct
56 Correct 49 ms 11840 KB Output is correct
57 Correct 43 ms 12108 KB Output is correct
58 Correct 44 ms 11772 KB Output is correct
59 Correct 49 ms 12016 KB Output is correct
60 Correct 60 ms 12016 KB Output is correct
61 Correct 46 ms 12016 KB Output is correct
62 Correct 57 ms 12028 KB Output is correct
63 Correct 74 ms 12020 KB Output is correct
64 Correct 39 ms 11868 KB Output is correct
65 Correct 49 ms 11824 KB Output is correct
66 Correct 50 ms 11856 KB Output is correct
67 Correct 50 ms 12024 KB Output is correct
68 Correct 49 ms 12020 KB Output is correct
69 Correct 50 ms 11848 KB Output is correct
70 Correct 49 ms 11856 KB Output is correct
71 Correct 277 ms 36324 KB Output is correct
72 Correct 311 ms 36432 KB Output is correct
73 Correct 399 ms 35056 KB Output is correct
74 Correct 550 ms 35316 KB Output is correct
75 Correct 328 ms 37360 KB Output is correct
76 Correct 594 ms 35568 KB Output is correct
77 Correct 478 ms 35368 KB Output is correct
78 Correct 216 ms 39412 KB Output is correct
79 Correct 308 ms 33356 KB Output is correct
80 Correct 282 ms 36340 KB Output is correct
81 Correct 390 ms 36336 KB Output is correct
82 Correct 601 ms 35316 KB Output is correct
83 Correct 294 ms 34804 KB Output is correct
84 Correct 483 ms 35312 KB Output is correct
85 Correct 448 ms 35572 KB Output is correct
86 Correct 171 ms 33360 KB Output is correct
87 Correct 251 ms 36336 KB Output is correct
88 Correct 297 ms 33348 KB Output is correct
89 Correct 401 ms 35056 KB Output is correct
90 Correct 415 ms 35372 KB Output is correct
91 Correct 361 ms 34500 KB Output is correct
92 Correct 537 ms 35660 KB Output is correct
93 Correct 461 ms 35568 KB Output is correct
94 Correct 177 ms 33232 KB Output is correct
95 Correct 417 ms 35316 KB Output is correct
96 Correct 399 ms 35404 KB Output is correct
97 Correct 452 ms 35316 KB Output is correct
98 Correct 435 ms 35384 KB Output is correct
99 Correct 384 ms 35404 KB Output is correct
100 Correct 419 ms 35408 KB Output is correct