oj.uz

Submission #990233

# Submission time Handle Problem Language Result Execution time Memory
990233 2024-05-29T23:05:53 Z AlphaMale06 Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 543 ms 51708 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 21;

int val[1<<N], ppcnt[1<<N];
int dp[1<<N][2];
//0 je za ?1, 1 je za ?0


int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, q;
    cin >> n >> q;
    string s;
    cin >> s;
    for(int i=0; i<s.size(); i++){
        val[i]=dp[i][0]=dp[i][1]=s[i]-'0';
        ppcnt[i]=__builtin_popcount(i);
    }
    for(int i=1; i<=n; i++){
        for(int j=0; j<(1<<n); j++){
            if(j & (1<<(i-1))){
                dp[j][0]+=dp[j^(1<<(i-1))][0];
            }
            else{
                dp[j][1]+=dp[j^(1<<(i-1))][1];
            }
        }
    }
    while(q--){
        string qry;
        cin >> qry;
        int cntu=0, cnt1=0, cnt0=0;
        for(char c : qry){
            if(c=='?')cntu++;
            else if(c=='1')cnt1++;
            else cnt0++;
        }
        int mn  = min({cntu, cnt1, cnt0});
        int ans=0;
        int mask = 0, mask1 = 0;
        if(cntu == mn){
            for(int i=0; i< n; i++){
                if(qry[i]=='1')mask+=1<<(n-i-1);
                else if(qry[i]=='?')mask1+=1<<(n-i-1);
            }
            for(int m = mask1; ; m=(m-1)&mask1){
                ans+=val[mask|m];
                if(!m)break;
            }
            cout << ans << '\n';
        }
        else if(cnt0 == mn){
            for(int i=0; i< n; i++){
                if(qry[i]=='1')mask+=1<<(n-i-1);
                else if(qry[i]=='0')mask1+=1<<(n-i-1);
            }
            int pcnt = ppcnt[mask1|mask]&1;
            for(int m = mask1; ; m=(m-1)&mask1){
                if((ppcnt[m|mask]&1)^pcnt)ans-=dp[m|mask][1];
                else ans+=dp[m|mask][1];
                if(!m)break;
            }
            cout << abs(ans) << '\n';
        }
        else{
            for(int i=0; i< n; i++){
                if(qry[i]=='?')mask+=1<<(n-i-1);
                else if(qry[i]=='1')mask1+=1<<(n-i-1);
            }
            int pcnt = ppcnt[mask1|mask]&1;
            for(int m = mask1; ; m=(m-1)&mask1){
                if((ppcnt[m|mask]&1)^pcnt)ans-=dp[m|mask][0];
                else ans+=dp[m|mask][0];
                if(!m)break;
            }
            cout << abs(ans) << '\n';
        }
    }
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:20:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for(int i=0; i<s.size(); i++){
      |                  ~^~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4456 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4456 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 153 ms 8392 KB Output is correct
12 Correct 150 ms 8264 KB Output is correct
13 Correct 200 ms 7248 KB Output is correct
14 Correct 162 ms 7472 KB Output is correct
15 Correct 163 ms 8500 KB Output is correct
16 Correct 187 ms 7504 KB Output is correct
17 Correct 220 ms 7660 KB Output is correct
18 Correct 112 ms 17608 KB Output is correct
19 Correct 142 ms 17220 KB Output is correct
20 Correct 159 ms 18772 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4456 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 153 ms 8392 KB Output is correct
12 Correct 150 ms 8264 KB Output is correct
13 Correct 200 ms 7248 KB Output is correct
14 Correct 162 ms 7472 KB Output is correct
15 Correct 163 ms 8500 KB Output is correct
16 Correct 187 ms 7504 KB Output is correct
17 Correct 220 ms 7660 KB Output is correct
18 Correct 112 ms 17608 KB Output is correct
19 Correct 142 ms 17220 KB Output is correct
20 Correct 159 ms 18772 KB Output is correct
21 Correct 195 ms 22356 KB Output is correct
22 Correct 219 ms 22284 KB Output is correct
23 Correct 245 ms 21332 KB Output is correct
24 Correct 224 ms 21328 KB Output is correct
25 Correct 221 ms 23224 KB Output is correct
26 Correct 244 ms 21840 KB Output is correct
27 Correct 263 ms 21588 KB Output is correct
28 Correct 121 ms 24296 KB Output is correct
29 Correct 199 ms 20340 KB Output is correct
30 Correct 235 ms 22368 KB Output is correct
31 Correct 250 ms 22356 KB Output is correct
32 Correct 239 ms 22340 KB Output is correct
33 Correct 211 ms 21080 KB Output is correct
34 Correct 238 ms 21332 KB Output is correct
35 Correct 252 ms 21576 KB Output is correct
36 Correct 108 ms 20120 KB Output is correct
37 Correct 181 ms 22276 KB Output is correct
38 Correct 223 ms 20304 KB Output is correct
39 Correct 244 ms 21348 KB Output is correct
40 Correct 228 ms 21332 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4456 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 54 ms 22520 KB Output is correct
12 Correct 36 ms 23024 KB Output is correct
13 Correct 38 ms 24308 KB Output is correct
14 Correct 48 ms 24304 KB Output is correct
15 Correct 36 ms 24572 KB Output is correct
16 Correct 44 ms 24564 KB Output is correct
17 Correct 42 ms 24556 KB Output is correct
18 Correct 29 ms 24640 KB Output is correct
19 Correct 37 ms 24304 KB Output is correct
20 Correct 37 ms 24560 KB Output is correct
21 Correct 41 ms 24376 KB Output is correct
22 Correct 47 ms 24520 KB Output is correct
23 Correct 39 ms 24308 KB Output is correct
24 Correct 43 ms 24504 KB Output is correct
25 Correct 47 ms 24560 KB Output is correct
26 Correct 38 ms 24332 KB Output is correct
27 Correct 50 ms 24564 KB Output is correct
28 Correct 37 ms 24308 KB Output is correct
29 Correct 42 ms 24868 KB Output is correct
30 Correct 42 ms 24308 KB Output is correct
31 Correct 34 ms 24308 KB Output is correct
32 Correct 43 ms 24564 KB Output is correct
33 Correct 42 ms 24344 KB Output is correct
34 Correct 28 ms 24320 KB Output is correct
35 Correct 46 ms 24568 KB Output is correct
36 Correct 40 ms 24312 KB Output is correct
37 Correct 40 ms 24560 KB Output is correct
38 Correct 39 ms 24304 KB Output is correct
39 Correct 40 ms 24308 KB Output is correct
40 Correct 40 ms 24308 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4456 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 153 ms 8392 KB Output is correct
12 Correct 150 ms 8264 KB Output is correct
13 Correct 200 ms 7248 KB Output is correct
14 Correct 162 ms 7472 KB Output is correct
15 Correct 163 ms 8500 KB Output is correct
16 Correct 187 ms 7504 KB Output is correct
17 Correct 220 ms 7660 KB Output is correct
18 Correct 112 ms 17608 KB Output is correct
19 Correct 142 ms 17220 KB Output is correct
20 Correct 159 ms 18772 KB Output is correct
21 Correct 195 ms 22356 KB Output is correct
22 Correct 219 ms 22284 KB Output is correct
23 Correct 245 ms 21332 KB Output is correct
24 Correct 224 ms 21328 KB Output is correct
25 Correct 221 ms 23224 KB Output is correct
26 Correct 244 ms 21840 KB Output is correct
27 Correct 263 ms 21588 KB Output is correct
28 Correct 121 ms 24296 KB Output is correct
29 Correct 199 ms 20340 KB Output is correct
30 Correct 235 ms 22368 KB Output is correct
31 Correct 250 ms 22356 KB Output is correct
32 Correct 239 ms 22340 KB Output is correct
33 Correct 211 ms 21080 KB Output is correct
34 Correct 238 ms 21332 KB Output is correct
35 Correct 252 ms 21576 KB Output is correct
36 Correct 108 ms 20120 KB Output is correct
37 Correct 181 ms 22276 KB Output is correct
38 Correct 223 ms 20304 KB Output is correct
39 Correct 244 ms 21348 KB Output is correct
40 Correct 228 ms 21332 KB Output is correct
41 Correct 54 ms 22520 KB Output is correct
42 Correct 36 ms 23024 KB Output is correct
43 Correct 38 ms 24308 KB Output is correct
44 Correct 48 ms 24304 KB Output is correct
45 Correct 36 ms 24572 KB Output is correct
46 Correct 44 ms 24564 KB Output is correct
47 Correct 42 ms 24556 KB Output is correct
48 Correct 29 ms 24640 KB Output is correct
49 Correct 37 ms 24304 KB Output is correct
50 Correct 37 ms 24560 KB Output is correct
51 Correct 41 ms 24376 KB Output is correct
52 Correct 47 ms 24520 KB Output is correct
53 Correct 39 ms 24308 KB Output is correct
54 Correct 43 ms 24504 KB Output is correct
55 Correct 47 ms 24560 KB Output is correct
56 Correct 38 ms 24332 KB Output is correct
57 Correct 50 ms 24564 KB Output is correct
58 Correct 37 ms 24308 KB Output is correct
59 Correct 42 ms 24868 KB Output is correct
60 Correct 42 ms 24308 KB Output is correct
61 Correct 34 ms 24308 KB Output is correct
62 Correct 43 ms 24564 KB Output is correct
63 Correct 42 ms 24344 KB Output is correct
64 Correct 28 ms 24320 KB Output is correct
65 Correct 46 ms 24568 KB Output is correct
66 Correct 40 ms 24312 KB Output is correct
67 Correct 40 ms 24560 KB Output is correct
68 Correct 39 ms 24304 KB Output is correct
69 Correct 40 ms 24308 KB Output is correct
70 Correct 40 ms 24308 KB Output is correct
71 Correct 320 ms 48864 KB Output is correct
72 Correct 367 ms 48664 KB Output is correct
73 Correct 366 ms 47316 KB Output is correct
74 Correct 543 ms 47860 KB Output is correct
75 Correct 333 ms 49776 KB Output is correct
76 Correct 482 ms 48116 KB Output is correct
77 Correct 431 ms 48116 KB Output is correct
78 Correct 174 ms 51708 KB Output is correct
79 Correct 320 ms 45812 KB Output is correct
80 Correct 345 ms 48892 KB Output is correct
81 Correct 406 ms 48752 KB Output is correct
82 Correct 541 ms 47672 KB Output is correct
83 Correct 315 ms 46876 KB Output is correct
84 Correct 466 ms 47860 KB Output is correct
85 Correct 444 ms 48892 KB Output is correct
86 Correct 165 ms 45812 KB Output is correct
87 Correct 311 ms 48708 KB Output is correct
88 Correct 362 ms 46072 KB Output is correct
89 Correct 393 ms 47344 KB Output is correct
90 Correct 443 ms 47832 KB Output is correct
91 Correct 292 ms 46840 KB Output is correct
92 Correct 466 ms 48112 KB Output is correct
93 Correct 456 ms 47864 KB Output is correct
94 Correct 165 ms 45828 KB Output is correct
95 Correct 383 ms 47864 KB Output is correct
96 Correct 398 ms 47824 KB Output is correct
97 Correct 385 ms 48084 KB Output is correct
98 Correct 384 ms 47856 KB Output is correct
99 Correct 393 ms 47848 KB Output is correct
100 Correct 384 ms 47860 KB Output is correct