// __builtin_popcount(x) broj bitova
// __builtin_popcountll(x)
// __builtin_clz(x) vodece nule
// __builtin_clzll(x)
// __builtin_ctz(x) nule na pocetku
// __builtin_ctzll(x)
// 2000000011
// 2000000033
#include "bits/stdc++.h"
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
#define ld double
#define ll long long
#define ull unsigned long long
#define llinf 100000000000000000LL // 10^17
#define iinf 2000000000 // 2*10^9
#define pb push_back
#define popb pop_back
#define fi first
#define sc second
#define endl '\n'
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pld pair<ld,ld>
#define sz(a) ((ll)(a.size()))
#define all(a) a.begin(),a.end()
#define rall(a) a.begin(),a.end(),greater<int>()
#define getunique(v) {sort(all(v)); v.erase(unique(all(v)), v.end());}
#define pi 3.14159265358979323846
#define here cerr<<"=============================================================================\n"
#define ceri(a,l,r) {for(ll i_ = l;i_<=r;i_++) cerr<<a[i_]<< " ";cerr<<endl;}
#define ceri2(a,l,r,n,m) {for(ll i = l;i<=r;i++){for(ll j = n;j<=m;j++) cerr<<a[i][j]<< " ";cerr<<endl;}}
#define yes cout<<"YES"<<endl
#define no cout<<"NO"<<endl
#define daj_mi_malo_vremena ios_base::sync_with_stdio(false);cerr.tie(0);cout.tie(0);cin.tie(0);
using namespace std;
using namespace __gnu_pbds;
template<typename T> using vc = vector<T>;
template<typename T> using vvc = vc<vc<T>>;
typedef tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
typedef tree<ll,null_type,less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_multiset;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll rnd(ll l,ll r){
return uniform_int_distribution<ll>(l,r)(rng);
}
void setIO(string inoutname)
{
freopen((inoutname+".in").c_str(),"r",stdin);
freopen((inoutname+".out").c_str(),"w",stdout);
}
#define mod 1
ll gcd(ll a, ll b)
{
if(b==0) return a;
if(a==0) return b;
if(a>=b) return gcd(a%b,b);
return gcd(a,b%a);
}
ll lcm(ll a,ll b){
return (a/gcd(a,b))*b;
}
ll add(ll x,ll y){
x+=y;
if(x<0){
x%=mod;
x+=mod;
if(x==mod) x = 0;
}else{
if(x>=mod) x%=mod;
}
return x;
}
ll mul(ll a,ll b){
ll ans = (a*b)%mod;
if(ans<0) ans+=mod;
return ans;
}
ll po(ll x,ll y){
if(y==0) return 1LL;
ll ans = po(x,y/2);
ans = mul(ans,ans);
if(y&1) ans = mul(ans,x);
return ans;
}
ll inv(ll x){return po(x,mod-2);}
#define maxn 2000005
ll n,q;
ll l;
ll sub[maxn],sup[maxn],btc[maxn];
ll s[maxn];
void tc(){
daj_mi_malo_vremena
cin >> l >> q;
n = (1<<l)-1;
string ss; cin >> ss;
for(ll i = 0;i<=n;i++) s[i] = (ss[i]-'0');
for(ll i = 0;i<=n;i++){
btc[i] = __builtin_popcountll(i);
sub[i] = sup[i] = s[i];
}
for(ll j = 0;j<l;j++){
for(ll i = 0;i<=n;i++){
if((1<<j)&i==0){
sup[i]+=sup[i^(1<<j)];
}else{
sub[i]+=sub[i^(1<<j)]
}
}
}
while(q--){
string ss; cin >> ss;
ll a = 0,b = 0,c = 0;
ll ca = 0,cb = 0,cc = 0;
for(ll i = 0;i<l;i++){
if(ss[i]=='0'){
a+=(1<<(l-i-1)); ca++;
}else if(ss[i]=='1'){
b+=(1<<(l-i-1)); cb++;
}else{
c+=(1<<(l-i-1)); cc++;
}
}
ll mc = min({ca,cb,cc});
ll ans = 0;
if(ca == mc){
for(ll mask = a;mask>0;mask=a&(mask-1)){
ans+=(1-2*(btc[mask]&1))*sup[b|mask];
}
ans+=sup[b];
}else if(cb==mc){
for(ll mask = b;mask>0;mask=b&(mask-1)){
ans+=(1-2*(btc[mask]&1))*sub[c|(b^mask)];
}
ans = sub[c|b];
}else{
for(ll mask = c;mask>0;mask=c&(mask-1)){
ans+=s[b|mask];
}
ans+=s[b];
}
cout<<ans<<endl;
}
}
int main(){
daj_mi_malo_vremena
//setIO("lol");
int t; t = 1;
while(t--){
tc();
}
return 0;
}
Compilation message
snake_escaping.cpp: In function 'void tc()':
snake_escaping.cpp:105:24: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
105 | if((1<<j)&i==0){
| ~^~~
snake_escaping.cpp:108:38: error: expected ';' before '}' token
108 | sub[i]+=sub[i^(1<<j)]
| ^
| ;
109 | }
| ~
snake_escaping.cpp: In function 'void setIO(std::string)':
snake_escaping.cpp:50:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
50 | freopen((inoutname+".in").c_str(),"r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
snake_escaping.cpp:51:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
51 | freopen((inoutname+".out").c_str(),"w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
