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Submission #568562

# Submission time Handle Problem Language Result Execution time Memory
568562 2022-05-25T17:04:33 Z FEDIKUS Snake Escaping (JOI18_snake_escaping) C++17
22 / 100
 661 ms 39928 KB 
#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define xx first
#define yy second
#define ff(i,s,f) for(ll (i)=s;(i)<(f);(i)++)
#define fb(i,s,f) for(ll (i)=s-1;(i)>=f;(i)--)
#define ffi(i,s,f) for(ll (i)=s;(i)<=(f);(i)++)
#define fbi(i,s,f) for(ll (i)=s;(i)>=(f);(i)--)
#define srt(a) sort(a.begin(),a.end());
#define srtg(a,ll) sort(a.begin(),a.end(),greater<ll>())
#define lb(a,x) lower_bound(a.begin(),a.end(),x)
#define ub(a,x) upper_bound(a.begin(),a.end(),x)
#define fnd(a,x) find(a.begin(),a.end(),x)
#define ios ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)

using namespace std;

typedef long long ll;
typedef pair<ll,ll> pii;
typedef pair<ll,ll> pll;
typedef string str;

const ll logg=21;

ll sub[1LL<<logg],sup[1LL<<logg];

ll com(ll a){
    return a^((1LL<<logg)-1);
}

void solve(){
    ll l,q;
    cin>>l>>q;
    str s;
    cin>>s;
    ff(mask,0,(1LL<<l)) sub[mask]=s[mask]-'0';
    ff(i,0,logg) ff(mask,0,(1LL<<logg)) if((1LL<<i)&mask) sub[mask]+=sub[mask^(1LL<<i)];
    ff(mask,0,(1LL<<l)) sup[mask]=s[mask]-'0';
    ff(i,0,logg) ff(mask,0,(1LL<<logg)) if((1LL<<i)&com(mask)) sup[mask]+=sup[mask^(1LL<<i)];
    while(q--){
        str t;
        cin>>t;
        ll one=0,zero=0;
        for(char i:t) if(i=='0') zero++; else if(i=='1') one++;
        ll res=0;
        if(one<=6){
            ll mask=0;
            ll nfixed=0;
            ff(i,0,l){
                if(t[i]=='1') mask+=(1LL<<(l-i-1));
                if(t[i]=='?') nfixed+=(1LL<<(l-i-1));
            }
            for(ll submask=mask;;submask=(submask-1)&mask){
                if((one-__builtin_popcount(submask|nfixed))&1) res-=sub[submask|nfixed];
                else res+=sub[submask|nfixed];
                if(submask==0) break;
            }
        }else if(zero<=6){
            ll mask=0;
            ll ones=0;
            ff(i,0,l){
                if(t[i]=='0') mask+=(1LL<<(l-i-1));
                if(t[i]=='1') ones+=(1LL<<(l-i-1));
            }
            for(ll submask=mask;;submask=(submask-1)&mask){
                if(__builtin_popcount(submask)&1) res-=sup[submask|ones];
                else res+=sup[submask|ones];
                if(submask==0) break;
            }
        }else{
            ll mask=0;
            ff(i,0,l){
                if(t[i]=='?') mask+=(1LL<<(l-i-1));
            }
            for(ll submask=mask;;submask=(submask-1)&mask){
                res+=s[submask]-'0';
                if(submask==0) break;
            }
        }
        cout<<abs(res)<<"\n";
    }
}

int main(){
    ios;
    ll t=1;
    //cin>>t;
    while(t--) solve();
    return 0;
}

Compilation message

snake_escaping.cpp: In function 'void solve()':
snake_escaping.cpp:9:26: warning: unnecessary parentheses in declaration of 'mask' [-Wparentheses]
    9 | #define ff(i,s,f) for(ll (i)=s;(i)<(f);(i)++)
      |                          ^
snake_escaping.cpp:40:5: note: in expansion of macro 'ff'
   40 |     ff(mask,0,(1LL<<l)) sub[mask]=s[mask]-'0';
      |     ^~
snake_escaping.cpp:9:26: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 | #define ff(i,s,f) for(ll (i)=s;(i)<(f);(i)++)
      |                          ^
snake_escaping.cpp:41:5: note: in expansion of macro 'ff'
   41 |     ff(i,0,logg) ff(mask,0,(1LL<<logg)) if((1LL<<i)&mask) sub[mask]+=sub[mask^(1LL<<i)];
      |     ^~
snake_escaping.cpp:9:26: warning: unnecessary parentheses in declaration of 'mask' [-Wparentheses]
    9 | #define ff(i,s,f) for(ll (i)=s;(i)<(f);(i)++)
      |                          ^
snake_escaping.cpp:41:18: note: in expansion of macro 'ff'
   41 |     ff(i,0,logg) ff(mask,0,(1LL<<logg)) if((1LL<<i)&mask) sub[mask]+=sub[mask^(1LL<<i)];
      |                  ^~
snake_escaping.cpp:9:26: warning: unnecessary parentheses in declaration of 'mask' [-Wparentheses]
    9 | #define ff(i,s,f) for(ll (i)=s;(i)<(f);(i)++)
      |                          ^
snake_escaping.cpp:42:5: note: in expansion of macro 'ff'
   42 |     ff(mask,0,(1LL<<l)) sup[mask]=s[mask]-'0';
      |     ^~
snake_escaping.cpp:9:26: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 | #define ff(i,s,f) for(ll (i)=s;(i)<(f);(i)++)
      |                          ^
snake_escaping.cpp:43:5: note: in expansion of macro 'ff'
   43 |     ff(i,0,logg) ff(mask,0,(1LL<<logg)) if((1LL<<i)&com(mask)) sup[mask]+=sup[mask^(1LL<<i)];
      |     ^~
snake_escaping.cpp:9:26: warning: unnecessary parentheses in declaration of 'mask' [-Wparentheses]
    9 | #define ff(i,s,f) for(ll (i)=s;(i)<(f);(i)++)
      |                          ^
snake_escaping.cpp:43:18: note: in expansion of macro 'ff'
   43 |     ff(i,0,logg) ff(mask,0,(1LL<<logg)) if((1LL<<i)&com(mask)) sup[mask]+=sup[mask^(1LL<<i)];
      |                  ^~
snake_escaping.cpp:9:26: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 | #define ff(i,s,f) for(ll (i)=s;(i)<(f);(i)++)
      |                          ^
snake_escaping.cpp:53:13: note: in expansion of macro 'ff'
   53 |             ff(i,0,l){
      |             ^~
snake_escaping.cpp:9:26: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 | #define ff(i,s,f) for(ll (i)=s;(i)<(f);(i)++)
      |                          ^
snake_escaping.cpp:65:13: note: in expansion of macro 'ff'
   65 |             ff(i,0,l){
      |             ^~
snake_escaping.cpp:9:26: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 | #define ff(i,s,f) for(ll (i)=s;(i)<(f);(i)++)
      |                          ^
snake_escaping.cpp:76:13: note: in expansion of macro 'ff'
   76 |             ff(i,0,l){
      |             ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 33208 KB Output is correct
2 Correct 124 ms 33260 KB Output is correct
3 Correct 129 ms 33140 KB Output is correct
4 Correct 113 ms 33100 KB Output is correct
5 Correct 114 ms 33120 KB Output is correct
6 Correct 128 ms 33116 KB Output is correct
7 Correct 128 ms 33144 KB Output is correct
8 Correct 111 ms 33132 KB Output is correct
9 Correct 111 ms 33136 KB Output is correct
10 Correct 128 ms 33140 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 33208 KB Output is correct
2 Correct 124 ms 33260 KB Output is correct
3 Correct 129 ms 33140 KB Output is correct
4 Correct 113 ms 33100 KB Output is correct
5 Correct 114 ms 33120 KB Output is correct
6 Correct 128 ms 33116 KB Output is correct
7 Correct 128 ms 33144 KB Output is correct
8 Correct 111 ms 33132 KB Output is correct
9 Correct 111 ms 33136 KB Output is correct
10 Correct 128 ms 33140 KB Output is correct
11 Correct 463 ms 37860 KB Output is correct
12 Correct 332 ms 37608 KB Output is correct
13 Correct 389 ms 36856 KB Output is correct
14 Correct 405 ms 36832 KB Output is correct
15 Correct 339 ms 37828 KB Output is correct
16 Correct 399 ms 37196 KB Output is correct
17 Correct 423 ms 37052 KB Output is correct
18 Correct 295 ms 38920 KB Output is correct
19 Correct 438 ms 35876 KB Output is correct
20 Correct 397 ms 37544 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 33208 KB Output is correct
2 Correct 124 ms 33260 KB Output is correct
3 Correct 129 ms 33140 KB Output is correct
4 Correct 113 ms 33100 KB Output is correct
5 Correct 114 ms 33120 KB Output is correct
6 Correct 128 ms 33116 KB Output is correct
7 Correct 128 ms 33144 KB Output is correct
8 Correct 111 ms 33132 KB Output is correct
9 Correct 111 ms 33136 KB Output is correct
10 Correct 128 ms 33140 KB Output is correct
11 Correct 463 ms 37860 KB Output is correct
12 Correct 332 ms 37608 KB Output is correct
13 Correct 389 ms 36856 KB Output is correct
14 Correct 405 ms 36832 KB Output is correct
15 Correct 339 ms 37828 KB Output is correct
16 Correct 399 ms 37196 KB Output is correct
17 Correct 423 ms 37052 KB Output is correct
18 Correct 295 ms 38920 KB Output is correct
19 Correct 438 ms 35876 KB Output is correct
20 Correct 397 ms 37544 KB Output is correct
21 Correct 631 ms 38596 KB Output is correct
22 Correct 361 ms 38344 KB Output is correct
23 Correct 478 ms 37332 KB Output is correct
24 Correct 430 ms 37160 KB Output is correct
25 Correct 391 ms 39192 KB Output is correct
26 Correct 513 ms 37400 KB Output is correct
27 Correct 484 ms 37380 KB Output is correct
28 Correct 346 ms 39928 KB Output is correct
29 Correct 570 ms 35600 KB Output is correct
30 Correct 469 ms 37796 KB Output is correct
31 Correct 440 ms 37652 KB Output is correct
32 Correct 446 ms 37624 KB Output is correct
33 Correct 411 ms 36508 KB Output is correct
34 Correct 464 ms 36668 KB Output is correct
35 Correct 466 ms 36820 KB Output is correct
36 Correct 289 ms 35332 KB Output is correct
37 Correct 342 ms 37380 KB Output is correct
38 Correct 552 ms 35384 KB Output is correct
39 Correct 661 ms 36596 KB Output is correct
40 Correct 516 ms 36368 KB Output is correct

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 33208 KB Output is correct
2 Correct 124 ms 33260 KB Output is correct
3 Correct 129 ms 33140 KB Output is correct
4 Correct 113 ms 33100 KB Output is correct
5 Correct 114 ms 33120 KB Output is correct
6 Correct 128 ms 33116 KB Output is correct
7 Correct 128 ms 33144 KB Output is correct
8 Correct 111 ms 33132 KB Output is correct
9 Correct 111 ms 33136 KB Output is correct
10 Correct 128 ms 33140 KB Output is correct
11 Correct 144 ms 34780 KB Output is correct
12 Correct 138 ms 34840 KB Output is correct
13 Incorrect 145 ms 34676 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 33208 KB Output is correct
2 Correct 124 ms 33260 KB Output is correct
3 Correct 129 ms 33140 KB Output is correct
4 Correct 113 ms 33100 KB Output is correct
5 Correct 114 ms 33120 KB Output is correct
6 Correct 128 ms 33116 KB Output is correct
7 Correct 128 ms 33144 KB Output is correct
8 Correct 111 ms 33132 KB Output is correct
9 Correct 111 ms 33136 KB Output is correct
10 Correct 128 ms 33140 KB Output is correct
11 Correct 463 ms 37860 KB Output is correct
12 Correct 332 ms 37608 KB Output is correct
13 Correct 389 ms 36856 KB Output is correct
14 Correct 405 ms 36832 KB Output is correct
15 Correct 339 ms 37828 KB Output is correct
16 Correct 399 ms 37196 KB Output is correct
17 Correct 423 ms 37052 KB Output is correct
18 Correct 295 ms 38920 KB Output is correct
19 Correct 438 ms 35876 KB Output is correct
20 Correct 397 ms 37544 KB Output is correct
21 Correct 631 ms 38596 KB Output is correct
22 Correct 361 ms 38344 KB Output is correct
23 Correct 478 ms 37332 KB Output is correct
24 Correct 430 ms 37160 KB Output is correct
25 Correct 391 ms 39192 KB Output is correct
26 Correct 513 ms 37400 KB Output is correct
27 Correct 484 ms 37380 KB Output is correct
28 Correct 346 ms 39928 KB Output is correct
29 Correct 570 ms 35600 KB Output is correct
30 Correct 469 ms 37796 KB Output is correct
31 Correct 440 ms 37652 KB Output is correct
32 Correct 446 ms 37624 KB Output is correct
33 Correct 411 ms 36508 KB Output is correct
34 Correct 464 ms 36668 KB Output is correct
35 Correct 466 ms 36820 KB Output is correct
36 Correct 289 ms 35332 KB Output is correct
37 Correct 342 ms 37380 KB Output is correct
38 Correct 552 ms 35384 KB Output is correct
39 Correct 661 ms 36596 KB Output is correct
40 Correct 516 ms 36368 KB Output is correct
41 Correct 144 ms 34780 KB Output is correct
42 Correct 138 ms 34840 KB Output is correct
43 Incorrect 145 ms 34676 KB Output isn't correct
44 Halted 0 ms 0 KB -