oj.uz

Submission #1014561

# Submission time Handle Problem Language Result Execution time Memory
1014561 2024-07-05T07:00:38 Z vjudge1 Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 1097 ms 43320 KB 
#include<bits/stdc++.h>
using namespace std;
int dp1[1<<20],dp2[1<<20],orig[1<<20];
void readst(string &str){
    char c=getchar();
    while(c==' '||c=='\n')
        c=getchar();
    while(c!=' '&&c!='\n')
        str+=c,c=getchar();
}
void brute(string a){
    vector<int>can;
    int k=0,l=a.size()-1,ans=0;
    for(int i=0;i<=l;i++)
        if(a[i]=='?') k<<=1,
            can.push_back(l-i);
        else k<<=1,k+=a[i]-48;
    int x=can.size();
    for(int i=0;i<1<<x;i++){
        int k2=k;
        for(int j=0;j<x;j++)
            k2|=(i>>j&1)<<can[j];
        ans+=orig[k2];
    }
    cout<<ans<<'\n';
}
void subs(string a){
    vector<int>can;
    int k=0,l=a.size()-1,ans=0;
    for(int i=0;i<=l;i++)
        if(a[i]=='?') k=k<<1|1;
        else if(a[i]=='0') k<<=1;
        else can.push_back(l-i),k=k<<1|1;
    int x=can.size();
    for(int i=0;i<1<<x;i++){
        int k2=k;
        for(int j=0;j<x;j++)
            k2^=(i>>j&1)<<can[j];
        int y=__builtin_popcount(i)%2;
        ans+=(-y*2+1)*dp1[k2];
    }
    cout<<ans<<'\n';
}
void sups(string a){
    vector<int>can;
    int k=0,l=a.size()-1,ans=0;
    for(int i=0;i<=l;i++)
        if(a[i]=='?') k<<=1;
        else if(a[i]=='1')k=k<<1|1;
        else can.push_back(l-i),k<<=1;
    int x=can.size();
    for(int i=0;i<1<<x;i++){
        int k2=k;
        for(int j=0;j<x;j++)
            k2^=(i>>j&1)<<can[j];
        int y=__builtin_popcount(i)%2;
        ans+=(-y*2+1)*dp2[k2];
    }
    cout<<ans<<'\n';
}
int main(){
    int n,m;
    string str;
    cin>>n>>m;
    readst(str);
    for(int i=0;i<1<<n;i++)
        dp1[i]=dp2[i]=orig[i]=str[i]-48;
    for(int i=0;i<n;i++) for(int j=0;j<1<<n;j++)
        if(j&1<<i) dp1[j]+=dp1[j^1<<i],dp2[j^1<<i]+=dp2[j];
    while(m--){
        string qr;
        readst(qr);
        int a=0,b=0,c=0;
        for(auto i:qr)
            if(i=='0')
                a++;
            else if(i=='1')
                b++;
            else c++;
        if(c<=6)brute(qr);
        else if(b<=6)subs(qr);
        else sups(qr);
    }
}

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 1 ms 348 KB Output is correct
6 Correct 1 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 1 ms 344 KB Output is correct
10 Correct 1 ms 348 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 1 ms 348 KB Output is correct
6 Correct 1 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 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 346 ms 15324 KB Output is correct
12 Correct 331 ms 14744 KB Output is correct
13 Correct 269 ms 13904 KB Output is correct
14 Correct 259 ms 14188 KB Output is correct
15 Correct 577 ms 15188 KB Output is correct
16 Correct 331 ms 14372 KB Output is correct
17 Correct 314 ms 14164 KB Output is correct
18 Correct 116 ms 16212 KB Output is correct
19 Correct 145 ms 13088 KB Output is correct
20 Correct 348 ms 14892 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 1 ms 348 KB Output is correct
6 Correct 1 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 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 346 ms 15324 KB Output is correct
12 Correct 331 ms 14744 KB Output is correct
13 Correct 269 ms 13904 KB Output is correct
14 Correct 259 ms 14188 KB Output is correct
15 Correct 577 ms 15188 KB Output is correct
16 Correct 331 ms 14372 KB Output is correct
17 Correct 314 ms 14164 KB Output is correct
18 Correct 116 ms 16212 KB Output is correct
19 Correct 145 ms 13088 KB Output is correct
20 Correct 348 ms 14892 KB Output is correct
21 Correct 695 ms 18268 KB Output is correct
22 Correct 501 ms 18300 KB Output is correct
23 Correct 349 ms 17256 KB Output is correct
24 Correct 354 ms 17236 KB Output is correct
25 Correct 336 ms 19288 KB Output is correct
26 Correct 411 ms 17584 KB Output is correct
27 Correct 460 ms 17720 KB Output is correct
28 Correct 134 ms 20264 KB Output is correct
29 Correct 168 ms 16232 KB Output is correct
30 Correct 502 ms 18256 KB Output is correct
31 Correct 600 ms 18096 KB Output is correct
32 Correct 445 ms 18260 KB Output is correct
33 Correct 263 ms 17128 KB Output is correct
34 Correct 353 ms 17236 KB Output is correct
35 Correct 417 ms 17524 KB Output is correct
36 Correct 119 ms 16212 KB Output is correct
37 Correct 555 ms 18256 KB Output is correct
38 Correct 182 ms 16212 KB Output is correct
39 Correct 337 ms 17216 KB Output is correct
40 Correct 352 ms 17236 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 1 ms 348 KB Output is correct
6 Correct 1 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 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 46 ms 16196 KB Output is correct
12 Correct 47 ms 16192 KB Output is correct
13 Correct 60 ms 16128 KB Output is correct
14 Correct 79 ms 16076 KB Output is correct
15 Correct 55 ms 16244 KB Output is correct
16 Correct 72 ms 15944 KB Output is correct
17 Correct 74 ms 15936 KB Output is correct
18 Correct 39 ms 16224 KB Output is correct
19 Correct 44 ms 15940 KB Output is correct
20 Correct 50 ms 16120 KB Output is correct
21 Correct 66 ms 16196 KB Output is correct
22 Correct 82 ms 16324 KB Output is correct
23 Correct 50 ms 15936 KB Output is correct
24 Correct 71 ms 16040 KB Output is correct
25 Correct 69 ms 15948 KB Output is correct
26 Correct 37 ms 15940 KB Output is correct
27 Correct 47 ms 16192 KB Output is correct
28 Correct 53 ms 15940 KB Output is correct
29 Correct 60 ms 16028 KB Output is correct
30 Correct 73 ms 16132 KB Output is correct
31 Correct 52 ms 15960 KB Output is correct
32 Correct 77 ms 15944 KB Output is correct
33 Correct 69 ms 15936 KB Output is correct
34 Correct 40 ms 15936 KB Output is correct
35 Correct 62 ms 15936 KB Output is correct
36 Correct 69 ms 16256 KB Output is correct
37 Correct 60 ms 15936 KB Output is correct
38 Correct 60 ms 15932 KB Output is correct
39 Correct 63 ms 15932 KB Output is correct
40 Correct 66 ms 15940 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 1 ms 348 KB Output is correct
6 Correct 1 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 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 346 ms 15324 KB Output is correct
12 Correct 331 ms 14744 KB Output is correct
13 Correct 269 ms 13904 KB Output is correct
14 Correct 259 ms 14188 KB Output is correct
15 Correct 577 ms 15188 KB Output is correct
16 Correct 331 ms 14372 KB Output is correct
17 Correct 314 ms 14164 KB Output is correct
18 Correct 116 ms 16212 KB Output is correct
19 Correct 145 ms 13088 KB Output is correct
20 Correct 348 ms 14892 KB Output is correct
21 Correct 695 ms 18268 KB Output is correct
22 Correct 501 ms 18300 KB Output is correct
23 Correct 349 ms 17256 KB Output is correct
24 Correct 354 ms 17236 KB Output is correct
25 Correct 336 ms 19288 KB Output is correct
26 Correct 411 ms 17584 KB Output is correct
27 Correct 460 ms 17720 KB Output is correct
28 Correct 134 ms 20264 KB Output is correct
29 Correct 168 ms 16232 KB Output is correct
30 Correct 502 ms 18256 KB Output is correct
31 Correct 600 ms 18096 KB Output is correct
32 Correct 445 ms 18260 KB Output is correct
33 Correct 263 ms 17128 KB Output is correct
34 Correct 353 ms 17236 KB Output is correct
35 Correct 417 ms 17524 KB Output is correct
36 Correct 119 ms 16212 KB Output is correct
37 Correct 555 ms 18256 KB Output is correct
38 Correct 182 ms 16212 KB Output is correct
39 Correct 337 ms 17216 KB Output is correct
40 Correct 352 ms 17236 KB Output is correct
41 Correct 46 ms 16196 KB Output is correct
42 Correct 47 ms 16192 KB Output is correct
43 Correct 60 ms 16128 KB Output is correct
44 Correct 79 ms 16076 KB Output is correct
45 Correct 55 ms 16244 KB Output is correct
46 Correct 72 ms 15944 KB Output is correct
47 Correct 74 ms 15936 KB Output is correct
48 Correct 39 ms 16224 KB Output is correct
49 Correct 44 ms 15940 KB Output is correct
50 Correct 50 ms 16120 KB Output is correct
51 Correct 66 ms 16196 KB Output is correct
52 Correct 82 ms 16324 KB Output is correct
53 Correct 50 ms 15936 KB Output is correct
54 Correct 71 ms 16040 KB Output is correct
55 Correct 69 ms 15948 KB Output is correct
56 Correct 37 ms 15940 KB Output is correct
57 Correct 47 ms 16192 KB Output is correct
58 Correct 53 ms 15940 KB Output is correct
59 Correct 60 ms 16028 KB Output is correct
60 Correct 73 ms 16132 KB Output is correct
61 Correct 52 ms 15960 KB Output is correct
62 Correct 77 ms 15944 KB Output is correct
63 Correct 69 ms 15936 KB Output is correct
64 Correct 40 ms 15936 KB Output is correct
65 Correct 62 ms 15936 KB Output is correct
66 Correct 69 ms 16256 KB Output is correct
67 Correct 60 ms 15936 KB Output is correct
68 Correct 60 ms 15932 KB Output is correct
69 Correct 63 ms 15932 KB Output is correct
70 Correct 66 ms 15940 KB Output is correct
71 Correct 367 ms 40428 KB Output is correct
72 Correct 439 ms 40552 KB Output is correct
73 Correct 613 ms 39048 KB Output is correct
74 Correct 1097 ms 39408 KB Output is correct
75 Correct 568 ms 41408 KB Output is correct
76 Correct 846 ms 39740 KB Output is correct
77 Correct 763 ms 39628 KB Output is correct
78 Correct 227 ms 43320 KB Output is correct
79 Correct 282 ms 37436 KB Output is correct
80 Correct 421 ms 40440 KB Output is correct
81 Correct 664 ms 40392 KB Output is correct
82 Correct 930 ms 39400 KB Output is correct
83 Correct 445 ms 38472 KB Output is correct
84 Correct 745 ms 39492 KB Output is correct
85 Correct 695 ms 39496 KB Output is correct
86 Correct 199 ms 37384 KB Output is correct
87 Correct 355 ms 40580 KB Output is correct
88 Correct 302 ms 37396 KB Output is correct
89 Correct 605 ms 38948 KB Output is correct
90 Correct 861 ms 39432 KB Output is correct
91 Correct 508 ms 38460 KB Output is correct
92 Correct 964 ms 39740 KB Output is correct
93 Correct 782 ms 39648 KB Output is correct
94 Correct 221 ms 37612 KB Output is correct
95 Correct 624 ms 39488 KB Output is correct
96 Correct 663 ms 39488 KB Output is correct
97 Correct 665 ms 39452 KB Output is correct
98 Correct 670 ms 39484 KB Output is correct
99 Correct 686 ms 39488 KB Output is correct
100 Correct 663 ms 39492 KB Output is correct