#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ll, int> li;
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define ROF(i, a, b) for(int i = a; i >= b; i--)
#define ms memset
#define pb push_back
#define fi first
#define se second
int main(){
ios::sync_with_stdio(false);
if (fopen("input.txt", "r")){
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
}
int L, Q; cin>>L>>Q;
string s; cin >> s;
int dp[1<<L]; FOR(i,0,(1<<L)) dp[i]=s[i]-'0';
int dp2[1<<L]; FOR(i,0,(1<<L)) dp2[i]=s[(1<<L)-1-i]-'0';
FOR(i,0,L){
FOR(mask,0,(1<<L)){
if (mask & (1<<i)) {dp[mask] += dp[mask-(1<<i)]; dp2[mask] += dp2[mask-(1<<i)];}
}
}
FOR(i,0,Q){
string t; cin >> t; reverse(t.begin(), t.end());
int cnt1=0, cnt2=0; FOR(j,0,L) {cnt1 += (t[j]=='?'); cnt2 += (t[j]=='1');}
if (cnt1 <= 6){
int ans = 0;
vi a; int cur = 0;
FOR(j,0,L){
if (t[j]=='?') a.pb(j);
else cur += (1<<j)*(t[j]-'0');
}
FOR(j,0,(1<<cnt1)){
int val=0; FOR(k,0,cnt1){
if (j & (1<<k)) val ^= (1<<a[k]);
}
//cout<<cur+val<<" ";
ans+=s[cur+val]-'0';
}
cout<<ans<<'\n'; continue;
}
if (cnt2 <= 6){
vi a; int cur=0;
FOR(j,0,L){
if (t[j]=='1') {a.pb(j); cur += (1<<j);}
if (t[j]=='?') cur += (1<<j);
}
int ans = 0;
FOR(j,0,(1<<cnt2)){
int val=0; int num=0; FOR(k,0,cnt2){
if (j & (1<<k)) {val ^= (1<<a[k]); num^=1;}
}
if (num) ans -= dp[cur-val];
else ans += dp[cur-val];
}
cout<<ans<<'\n'; continue;
}
int cnt3=L-cnt1-cnt2; vi a; int cur=0;
FOR(j,0,L){
if (t[j] != '1') cur+= (1<<j);
if (t[j] == '0') a.pb(j);
}
int ans=0;
FOR(j,0,(1<<cnt3)){
int val=0,num=0; FOR(k,0,cnt3){
if (j & (1<<k)) {val ^= (1<<a[k]); num^=1;}
}
if (num) ans-=dp2[cur-val];
else ans+=dp2[cur-val];
}
cout<<ans<<'\n';
}
}
Compilation message
snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:20:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
20 | freopen("input.txt", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
snake_escaping.cpp:21:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
21 | freopen("output.txt", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
212 KB |
Output is correct |
2 |
Correct |
2 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
212 KB |
Output is correct |
4 |
Correct |
2 ms |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
212 KB |
Output is correct |
6 |
Correct |
2 ms |
212 KB |
Output is correct |
7 |
Correct |
2 ms |
212 KB |
Output is correct |
8 |
Correct |
2 ms |
212 KB |
Output is correct |
9 |
Correct |
2 ms |
212 KB |
Output is correct |
10 |
Correct |
2 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
212 KB |
Output is correct |
2 |
Correct |
2 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
212 KB |
Output is correct |
4 |
Correct |
2 ms |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
212 KB |
Output is correct |
6 |
Correct |
2 ms |
212 KB |
Output is correct |
7 |
Correct |
2 ms |
212 KB |
Output is correct |
8 |
Correct |
2 ms |
212 KB |
Output is correct |
9 |
Correct |
2 ms |
212 KB |
Output is correct |
10 |
Correct |
2 ms |
212 KB |
Output is correct |
11 |
Correct |
1565 ms |
4492 KB |
Output is correct |
12 |
Correct |
1506 ms |
3876 KB |
Output is correct |
13 |
Correct |
1304 ms |
3108 KB |
Output is correct |
14 |
Correct |
1406 ms |
3228 KB |
Output is correct |
15 |
Correct |
1929 ms |
4292 KB |
Output is correct |
16 |
Correct |
1416 ms |
3472 KB |
Output is correct |
17 |
Correct |
1387 ms |
3400 KB |
Output is correct |
18 |
Correct |
1144 ms |
5228 KB |
Output is correct |
19 |
Correct |
1137 ms |
2296 KB |
Output is correct |
20 |
Correct |
1517 ms |
3916 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
212 KB |
Output is correct |
2 |
Correct |
2 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
212 KB |
Output is correct |
4 |
Correct |
2 ms |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
212 KB |
Output is correct |
6 |
Correct |
2 ms |
212 KB |
Output is correct |
7 |
Correct |
2 ms |
212 KB |
Output is correct |
8 |
Correct |
2 ms |
212 KB |
Output is correct |
9 |
Correct |
2 ms |
212 KB |
Output is correct |
10 |
Correct |
2 ms |
212 KB |
Output is correct |
11 |
Correct |
1565 ms |
4492 KB |
Output is correct |
12 |
Correct |
1506 ms |
3876 KB |
Output is correct |
13 |
Correct |
1304 ms |
3108 KB |
Output is correct |
14 |
Correct |
1406 ms |
3228 KB |
Output is correct |
15 |
Correct |
1929 ms |
4292 KB |
Output is correct |
16 |
Correct |
1416 ms |
3472 KB |
Output is correct |
17 |
Correct |
1387 ms |
3400 KB |
Output is correct |
18 |
Correct |
1144 ms |
5228 KB |
Output is correct |
19 |
Correct |
1137 ms |
2296 KB |
Output is correct |
20 |
Correct |
1517 ms |
3916 KB |
Output is correct |
21 |
Correct |
1883 ms |
4308 KB |
Output is correct |
22 |
Correct |
1468 ms |
18212 KB |
Output is correct |
23 |
Correct |
1416 ms |
17148 KB |
Output is correct |
24 |
Correct |
1384 ms |
17076 KB |
Output is correct |
25 |
Correct |
1387 ms |
19148 KB |
Output is correct |
26 |
Correct |
1514 ms |
17644 KB |
Output is correct |
27 |
Correct |
1501 ms |
17484 KB |
Output is correct |
28 |
Correct |
1161 ms |
20132 KB |
Output is correct |
29 |
Correct |
1146 ms |
15968 KB |
Output is correct |
30 |
Correct |
1736 ms |
18224 KB |
Output is correct |
31 |
Correct |
1955 ms |
18188 KB |
Output is correct |
32 |
Correct |
1592 ms |
18108 KB |
Output is correct |
33 |
Correct |
1316 ms |
16952 KB |
Output is correct |
34 |
Correct |
1386 ms |
17056 KB |
Output is correct |
35 |
Correct |
1494 ms |
17540 KB |
Output is correct |
36 |
Correct |
1134 ms |
16048 KB |
Output is correct |
37 |
Correct |
1946 ms |
18132 KB |
Output is correct |
38 |
Correct |
1153 ms |
16124 KB |
Output is correct |
39 |
Correct |
1443 ms |
17248 KB |
Output is correct |
40 |
Correct |
1389 ms |
17068 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
212 KB |
Output is correct |
2 |
Correct |
2 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
212 KB |
Output is correct |
4 |
Correct |
2 ms |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
212 KB |
Output is correct |
6 |
Correct |
2 ms |
212 KB |
Output is correct |
7 |
Correct |
2 ms |
212 KB |
Output is correct |
8 |
Correct |
2 ms |
212 KB |
Output is correct |
9 |
Correct |
2 ms |
212 KB |
Output is correct |
10 |
Correct |
2 ms |
212 KB |
Output is correct |
11 |
Correct |
94 ms |
9908 KB |
Output is correct |
12 |
Correct |
100 ms |
9852 KB |
Output is correct |
13 |
Correct |
113 ms |
9812 KB |
Output is correct |
14 |
Correct |
130 ms |
9836 KB |
Output is correct |
15 |
Correct |
105 ms |
9884 KB |
Output is correct |
16 |
Correct |
124 ms |
9840 KB |
Output is correct |
17 |
Correct |
128 ms |
9968 KB |
Output is correct |
18 |
Correct |
89 ms |
10060 KB |
Output is correct |
19 |
Correct |
91 ms |
9720 KB |
Output is correct |
20 |
Correct |
98 ms |
9836 KB |
Output is correct |
21 |
Correct |
113 ms |
9872 KB |
Output is correct |
22 |
Correct |
139 ms |
9796 KB |
Output is correct |
23 |
Correct |
105 ms |
9720 KB |
Output is correct |
24 |
Correct |
130 ms |
9820 KB |
Output is correct |
25 |
Correct |
123 ms |
9760 KB |
Output is correct |
26 |
Correct |
88 ms |
9664 KB |
Output is correct |
27 |
Correct |
97 ms |
9880 KB |
Output is correct |
28 |
Correct |
89 ms |
9692 KB |
Output is correct |
29 |
Correct |
109 ms |
9804 KB |
Output is correct |
30 |
Correct |
130 ms |
9804 KB |
Output is correct |
31 |
Correct |
108 ms |
9828 KB |
Output is correct |
32 |
Correct |
127 ms |
9864 KB |
Output is correct |
33 |
Correct |
119 ms |
9824 KB |
Output is correct |
34 |
Correct |
89 ms |
9692 KB |
Output is correct |
35 |
Correct |
117 ms |
10196 KB |
Output is correct |
36 |
Correct |
114 ms |
9796 KB |
Output is correct |
37 |
Correct |
110 ms |
9852 KB |
Output is correct |
38 |
Correct |
133 ms |
9812 KB |
Output is correct |
39 |
Correct |
112 ms |
9804 KB |
Output is correct |
40 |
Correct |
130 ms |
9808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
212 KB |
Output is correct |
2 |
Correct |
2 ms |
212 KB |
Output is correct |
3 |
Correct |
2 ms |
212 KB |
Output is correct |
4 |
Correct |
2 ms |
212 KB |
Output is correct |
5 |
Correct |
2 ms |
212 KB |
Output is correct |
6 |
Correct |
2 ms |
212 KB |
Output is correct |
7 |
Correct |
2 ms |
212 KB |
Output is correct |
8 |
Correct |
2 ms |
212 KB |
Output is correct |
9 |
Correct |
2 ms |
212 KB |
Output is correct |
10 |
Correct |
2 ms |
212 KB |
Output is correct |
11 |
Correct |
1565 ms |
4492 KB |
Output is correct |
12 |
Correct |
1506 ms |
3876 KB |
Output is correct |
13 |
Correct |
1304 ms |
3108 KB |
Output is correct |
14 |
Correct |
1406 ms |
3228 KB |
Output is correct |
15 |
Correct |
1929 ms |
4292 KB |
Output is correct |
16 |
Correct |
1416 ms |
3472 KB |
Output is correct |
17 |
Correct |
1387 ms |
3400 KB |
Output is correct |
18 |
Correct |
1144 ms |
5228 KB |
Output is correct |
19 |
Correct |
1137 ms |
2296 KB |
Output is correct |
20 |
Correct |
1517 ms |
3916 KB |
Output is correct |
21 |
Correct |
1883 ms |
4308 KB |
Output is correct |
22 |
Correct |
1468 ms |
18212 KB |
Output is correct |
23 |
Correct |
1416 ms |
17148 KB |
Output is correct |
24 |
Correct |
1384 ms |
17076 KB |
Output is correct |
25 |
Correct |
1387 ms |
19148 KB |
Output is correct |
26 |
Correct |
1514 ms |
17644 KB |
Output is correct |
27 |
Correct |
1501 ms |
17484 KB |
Output is correct |
28 |
Correct |
1161 ms |
20132 KB |
Output is correct |
29 |
Correct |
1146 ms |
15968 KB |
Output is correct |
30 |
Correct |
1736 ms |
18224 KB |
Output is correct |
31 |
Correct |
1955 ms |
18188 KB |
Output is correct |
32 |
Correct |
1592 ms |
18108 KB |
Output is correct |
33 |
Correct |
1316 ms |
16952 KB |
Output is correct |
34 |
Correct |
1386 ms |
17056 KB |
Output is correct |
35 |
Correct |
1494 ms |
17540 KB |
Output is correct |
36 |
Correct |
1134 ms |
16048 KB |
Output is correct |
37 |
Correct |
1946 ms |
18132 KB |
Output is correct |
38 |
Correct |
1153 ms |
16124 KB |
Output is correct |
39 |
Correct |
1443 ms |
17248 KB |
Output is correct |
40 |
Correct |
1389 ms |
17068 KB |
Output is correct |
41 |
Correct |
94 ms |
9908 KB |
Output is correct |
42 |
Correct |
100 ms |
9852 KB |
Output is correct |
43 |
Correct |
113 ms |
9812 KB |
Output is correct |
44 |
Correct |
130 ms |
9836 KB |
Output is correct |
45 |
Correct |
105 ms |
9884 KB |
Output is correct |
46 |
Correct |
124 ms |
9840 KB |
Output is correct |
47 |
Correct |
128 ms |
9968 KB |
Output is correct |
48 |
Correct |
89 ms |
10060 KB |
Output is correct |
49 |
Correct |
91 ms |
9720 KB |
Output is correct |
50 |
Correct |
98 ms |
9836 KB |
Output is correct |
51 |
Correct |
113 ms |
9872 KB |
Output is correct |
52 |
Correct |
139 ms |
9796 KB |
Output is correct |
53 |
Correct |
105 ms |
9720 KB |
Output is correct |
54 |
Correct |
130 ms |
9820 KB |
Output is correct |
55 |
Correct |
123 ms |
9760 KB |
Output is correct |
56 |
Correct |
88 ms |
9664 KB |
Output is correct |
57 |
Correct |
97 ms |
9880 KB |
Output is correct |
58 |
Correct |
89 ms |
9692 KB |
Output is correct |
59 |
Correct |
109 ms |
9804 KB |
Output is correct |
60 |
Correct |
130 ms |
9804 KB |
Output is correct |
61 |
Correct |
108 ms |
9828 KB |
Output is correct |
62 |
Correct |
127 ms |
9864 KB |
Output is correct |
63 |
Correct |
119 ms |
9824 KB |
Output is correct |
64 |
Correct |
89 ms |
9692 KB |
Output is correct |
65 |
Correct |
117 ms |
10196 KB |
Output is correct |
66 |
Correct |
114 ms |
9796 KB |
Output is correct |
67 |
Correct |
110 ms |
9852 KB |
Output is correct |
68 |
Correct |
133 ms |
9812 KB |
Output is correct |
69 |
Correct |
112 ms |
9804 KB |
Output is correct |
70 |
Correct |
130 ms |
9808 KB |
Output is correct |
71 |
Correct |
1382 ms |
36220 KB |
Output is correct |
72 |
Correct |
1488 ms |
36312 KB |
Output is correct |
73 |
Correct |
1688 ms |
34928 KB |
Output is correct |
74 |
Execution timed out |
2061 ms |
34768 KB |
Time limit exceeded |
75 |
Halted |
0 ms |
0 KB |
- |