oj.uz

Submission #920254

# Submission time Handle Problem Language Result Execution time Memory
920254 2024-02-02T10:51:44 Z Unforgettablepl Snake Escaping (JOI18_snake_escaping) C++17
100 / 100
 1780 ms 33104 KB 
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
using namespace std;

#define int long long

int DP1[1048576];
int DP2[1048576];
int arr[1048576];
int idx[6];

inline int preprocess(const string &s,char c){
    int ans = 0;
    int cnt = 0;
    for(int bit=0;bit<min(20,(int32_t)s.size());bit++){
        if(s[bit]==c){
            idx[cnt++]=bit;
        } else if(s[bit]=='?'){
            if(c=='1')ans|=(1<<bit);
        } else {
            if(s[bit]=='1')ans|=(1<<bit);
        }
    }
    return ans;
}

inline int applymask(int qu,int mask,int cnt){
    for(int bit=0;bit<min(6ll,cnt);bit++){
        if(mask&(1<<bit))qu|=(1<<idx[bit]);
    }
    return qu;
}

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int l,q;
    cin >> l >> q;
    for(int mask=0;mask<(1<<l);mask++){
        char a;cin>>a;a-='0';
        DP1[mask]=DP2[mask]=arr[mask]=a;
    }
    for(int bit=0;bit<20;bit++){
        for(int mask=0;mask<(1<<20);mask++){
            if(mask&(1<<bit)){
                DP2[mask^(1<<bit)]+=DP2[mask];
            } else {
                DP1[mask|(1<<bit)]+=DP1[mask];
            }
        }
    }
    for(int i=1;i<=q;i++){
        string s;cin>>s;
        reverse(s.begin(),s.end());
        int c1=0,c0=0,cq=0;
        for(char&j:s) {
            if(j=='1')c1++;
            else if(j=='0')c0++;
            else if(j=='?')cq++;
        }
        if(cq<=6){
            int qu = preprocess(s,'?');
            int ans = 0;
            for(int mask=0;mask<(1<<cq);mask++){
                ans+=arr[applymask(qu,mask,cq)];
            }
            cout<<ans<<'\n';
            continue;
        }
        if(c1<=6){
            int qu = preprocess(s,'1');
            int ans = 0;
            for(int mask=0;mask<(1<<c1);mask++){
                if(__builtin_parity(mask)==(c1&1)){
                    ans+=DP1[applymask(qu,mask,c1)];
                } else {
                    ans-=DP1[applymask(qu,mask,c1)];
                }
            }
            cout<<ans<<'\n';
            continue;
        }
        if(c0<=6){
            int qu = preprocess(s,'0');
            int ans = 0;
            for(int mask=0;mask<(1<<c0);mask++){
                if(__builtin_parity(mask)){
                    ans-=DP2[applymask(qu,mask,c0)];
                } else {
                    ans+=DP2[applymask(qu,mask,c0)];
                }
            }
            cout<<ans<<'\n';
            continue;
        }
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 18520 KB Output is correct
2 Correct 27 ms 18520 KB Output is correct
3 Correct 27 ms 18520 KB Output is correct
4 Correct 29 ms 18520 KB Output is correct
5 Correct 30 ms 18520 KB Output is correct
6 Correct 26 ms 18524 KB Output is correct
7 Correct 29 ms 18524 KB Output is correct
8 Correct 28 ms 18520 KB Output is correct
9 Correct 29 ms 18520 KB Output is correct
10 Correct 30 ms 18520 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 18520 KB Output is correct
2 Correct 27 ms 18520 KB Output is correct
3 Correct 27 ms 18520 KB Output is correct
4 Correct 29 ms 18520 KB Output is correct
5 Correct 30 ms 18520 KB Output is correct
6 Correct 26 ms 18524 KB Output is correct
7 Correct 29 ms 18524 KB Output is correct
8 Correct 28 ms 18520 KB Output is correct
9 Correct 29 ms 18520 KB Output is correct
10 Correct 30 ms 18520 KB Output is correct
11 Correct 427 ms 22748 KB Output is correct
12 Correct 459 ms 22384 KB Output is correct
13 Correct 337 ms 21580 KB Output is correct
14 Correct 338 ms 21612 KB Output is correct
15 Correct 792 ms 22524 KB Output is correct
16 Correct 424 ms 21748 KB Output is correct
17 Correct 406 ms 21728 KB Output is correct
18 Correct 216 ms 23632 KB Output is correct
19 Correct 241 ms 20560 KB Output is correct
20 Correct 463 ms 22444 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 18520 KB Output is correct
2 Correct 27 ms 18520 KB Output is correct
3 Correct 27 ms 18520 KB Output is correct
4 Correct 29 ms 18520 KB Output is correct
5 Correct 30 ms 18520 KB Output is correct
6 Correct 26 ms 18524 KB Output is correct
7 Correct 29 ms 18524 KB Output is correct
8 Correct 28 ms 18520 KB Output is correct
9 Correct 29 ms 18520 KB Output is correct
10 Correct 30 ms 18520 KB Output is correct
11 Correct 427 ms 22748 KB Output is correct
12 Correct 459 ms 22384 KB Output is correct
13 Correct 337 ms 21580 KB Output is correct
14 Correct 338 ms 21612 KB Output is correct
15 Correct 792 ms 22524 KB Output is correct
16 Correct 424 ms 21748 KB Output is correct
17 Correct 406 ms 21728 KB Output is correct
18 Correct 216 ms 23632 KB Output is correct
19 Correct 241 ms 20560 KB Output is correct
20 Correct 463 ms 22444 KB Output is correct
21 Correct 919 ms 22608 KB Output is correct
22 Correct 479 ms 22864 KB Output is correct
23 Correct 442 ms 21940 KB Output is correct
24 Correct 424 ms 21584 KB Output is correct
25 Correct 359 ms 23632 KB Output is correct
26 Correct 529 ms 22100 KB Output is correct
27 Correct 521 ms 22096 KB Output is correct
28 Correct 236 ms 24616 KB Output is correct
29 Correct 293 ms 20904 KB Output is correct
30 Correct 676 ms 22932 KB Output is correct
31 Correct 859 ms 22628 KB Output is correct
32 Correct 542 ms 22628 KB Output is correct
33 Correct 358 ms 21840 KB Output is correct
34 Correct 431 ms 21784 KB Output is correct
35 Correct 529 ms 22252 KB Output is correct
36 Correct 213 ms 20640 KB Output is correct
37 Correct 806 ms 22732 KB Output is correct
38 Correct 321 ms 20724 KB Output is correct
39 Correct 466 ms 21840 KB Output is correct
40 Correct 424 ms 21584 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 18520 KB Output is correct
2 Correct 27 ms 18520 KB Output is correct
3 Correct 27 ms 18520 KB Output is correct
4 Correct 29 ms 18520 KB Output is correct
5 Correct 30 ms 18520 KB Output is correct
6 Correct 26 ms 18524 KB Output is correct
7 Correct 29 ms 18524 KB Output is correct
8 Correct 28 ms 18520 KB Output is correct
9 Correct 29 ms 18520 KB Output is correct
10 Correct 30 ms 18520 KB Output is correct
11 Correct 53 ms 25176 KB Output is correct
12 Correct 62 ms 25320 KB Output is correct
13 Correct 66 ms 25196 KB Output is correct
14 Correct 86 ms 25228 KB Output is correct
15 Correct 56 ms 25308 KB Output is correct
16 Correct 120 ms 25404 KB Output is correct
17 Correct 105 ms 25244 KB Output is correct
18 Correct 50 ms 25428 KB Output is correct
19 Correct 73 ms 25476 KB Output is correct
20 Correct 57 ms 25128 KB Output is correct
21 Correct 69 ms 25060 KB Output is correct
22 Correct 86 ms 25112 KB Output is correct
23 Correct 60 ms 25168 KB Output is correct
24 Correct 88 ms 25168 KB Output is correct
25 Correct 113 ms 25200 KB Output is correct
26 Correct 50 ms 24924 KB Output is correct
27 Correct 60 ms 25168 KB Output is correct
28 Correct 59 ms 25156 KB Output is correct
29 Correct 72 ms 25056 KB Output is correct
30 Correct 82 ms 25128 KB Output is correct
31 Correct 66 ms 25224 KB Output is correct
32 Correct 93 ms 25172 KB Output is correct
33 Correct 114 ms 25052 KB Output is correct
34 Correct 52 ms 25072 KB Output is correct
35 Correct 97 ms 25172 KB Output is correct
36 Correct 104 ms 25220 KB Output is correct
37 Correct 98 ms 25264 KB Output is correct
38 Correct 105 ms 25156 KB Output is correct
39 Correct 99 ms 25068 KB Output is correct
40 Correct 101 ms 25156 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 18520 KB Output is correct
2 Correct 27 ms 18520 KB Output is correct
3 Correct 27 ms 18520 KB Output is correct
4 Correct 29 ms 18520 KB Output is correct
5 Correct 30 ms 18520 KB Output is correct
6 Correct 26 ms 18524 KB Output is correct
7 Correct 29 ms 18524 KB Output is correct
8 Correct 28 ms 18520 KB Output is correct
9 Correct 29 ms 18520 KB Output is correct
10 Correct 30 ms 18520 KB Output is correct
11 Correct 427 ms 22748 KB Output is correct
12 Correct 459 ms 22384 KB Output is correct
13 Correct 337 ms 21580 KB Output is correct
14 Correct 338 ms 21612 KB Output is correct
15 Correct 792 ms 22524 KB Output is correct
16 Correct 424 ms 21748 KB Output is correct
17 Correct 406 ms 21728 KB Output is correct
18 Correct 216 ms 23632 KB Output is correct
19 Correct 241 ms 20560 KB Output is correct
20 Correct 463 ms 22444 KB Output is correct
21 Correct 919 ms 22608 KB Output is correct
22 Correct 479 ms 22864 KB Output is correct
23 Correct 442 ms 21940 KB Output is correct
24 Correct 424 ms 21584 KB Output is correct
25 Correct 359 ms 23632 KB Output is correct
26 Correct 529 ms 22100 KB Output is correct
27 Correct 521 ms 22096 KB Output is correct
28 Correct 236 ms 24616 KB Output is correct
29 Correct 293 ms 20904 KB Output is correct
30 Correct 676 ms 22932 KB Output is correct
31 Correct 859 ms 22628 KB Output is correct
32 Correct 542 ms 22628 KB Output is correct
33 Correct 358 ms 21840 KB Output is correct
34 Correct 431 ms 21784 KB Output is correct
35 Correct 529 ms 22252 KB Output is correct
36 Correct 213 ms 20640 KB Output is correct
37 Correct 806 ms 22732 KB Output is correct
38 Correct 321 ms 20724 KB Output is correct
39 Correct 466 ms 21840 KB Output is correct
40 Correct 424 ms 21584 KB Output is correct
41 Correct 53 ms 25176 KB Output is correct
42 Correct 62 ms 25320 KB Output is correct
43 Correct 66 ms 25196 KB Output is correct
44 Correct 86 ms 25228 KB Output is correct
45 Correct 56 ms 25308 KB Output is correct
46 Correct 120 ms 25404 KB Output is correct
47 Correct 105 ms 25244 KB Output is correct
48 Correct 50 ms 25428 KB Output is correct
49 Correct 73 ms 25476 KB Output is correct
50 Correct 57 ms 25128 KB Output is correct
51 Correct 69 ms 25060 KB Output is correct
52 Correct 86 ms 25112 KB Output is correct
53 Correct 60 ms 25168 KB Output is correct
54 Correct 88 ms 25168 KB Output is correct
55 Correct 113 ms 25200 KB Output is correct
56 Correct 50 ms 24924 KB Output is correct
57 Correct 60 ms 25168 KB Output is correct
58 Correct 59 ms 25156 KB Output is correct
59 Correct 72 ms 25056 KB Output is correct
60 Correct 82 ms 25128 KB Output is correct
61 Correct 66 ms 25224 KB Output is correct
62 Correct 93 ms 25172 KB Output is correct
63 Correct 114 ms 25052 KB Output is correct
64 Correct 52 ms 25072 KB Output is correct
65 Correct 97 ms 25172 KB Output is correct
66 Correct 104 ms 25220 KB Output is correct
67 Correct 98 ms 25264 KB Output is correct
68 Correct 105 ms 25156 KB Output is correct
69 Correct 99 ms 25068 KB Output is correct
70 Correct 101 ms 25156 KB Output is correct
71 Correct 437 ms 30168 KB Output is correct
72 Correct 436 ms 30032 KB Output is correct
73 Correct 655 ms 28940 KB Output is correct
74 Correct 1042 ms 29088 KB Output is correct
75 Correct 518 ms 30896 KB Output is correct
76 Correct 1780 ms 29180 KB Output is correct
77 Correct 1412 ms 29380 KB Output is correct
78 Correct 315 ms 33104 KB Output is correct
79 Correct 396 ms 26988 KB Output is correct
80 Correct 481 ms 30308 KB Output is correct
81 Correct 709 ms 29984 KB Output is correct
82 Correct 1022 ms 29144 KB Output is correct
83 Correct 494 ms 28240 KB Output is correct
84 Correct 966 ms 29008 KB Output is correct
85 Correct 1564 ms 29500 KB Output is correct
86 Correct 308 ms 26960 KB Output is correct
87 Correct 415 ms 30240 KB Output is correct
88 Correct 392 ms 26960 KB Output is correct
89 Correct 665 ms 28612 KB Output is correct
90 Correct 971 ms 29020 KB Output is correct
91 Correct 497 ms 28112 KB Output is correct
92 Correct 1270 ms 29164 KB Output is correct
93 Correct 1515 ms 29648 KB Output is correct
94 Correct 277 ms 26980 KB Output is correct
95 Correct 1160 ms 29172 KB Output is correct
96 Correct 1166 ms 29100 KB Output is correct
97 Correct 1179 ms 29072 KB Output is correct
98 Correct 1170 ms 29248 KB Output is correct
99 Correct 1092 ms 29160 KB Output is correct
100 Correct 1155 ms 29008 KB Output is correct