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답안 #964783

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
964783 2024-04-17T14:24:43 Z Baytoro Snake Escaping (JOI18_snake_escaping) C++17
75 / 100
 2000 ms 52420 KB 
#include <bits/stdc++.h>
using namespace std;
#define ios ios::sync_with_stdio(false); cin.tie(NULL);
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define fr first
#define sc second
//#define mp make_pair
#define ll long long
#define int ll
//#define double long double
//const ll INF=1e18,N=1e6+5;
int dp[(1<<20)+5][2];
void solve(){
	int n,q;cin>>n>>q;
	string s;cin>>s;
	vector<int> a((1<<n)+5);
	for(int i=0;i<(1<<n);i++) a[i]=(s[i]-'0');
	for(int i=0;i<(1<<n);i++) dp[i][0]=dp[i][1]=a[i];
	for(int i=0;i<n;i++){
		for(int mask=0;mask<(1<<n);mask++){
			if(mask&(1<<i)) dp[mask][0]+=dp[mask^(1<<i)][0];
			else dp[mask][1]+=dp[mask^(1<<i)][1];
		}
	}
	while(q--){
		string st;cin>>st;reverse(all(st));
		int z=0,o=0,u=0;
		for(int i=0;i<st.size();i++){
			if(st[i]=='?') u++;
			else if(st[i]=='0') z++;
			else o++;
		}
		int sum=0,ans=0;
		vector<int> tmp;
		if(u<=z && u<=o){
			for(int i=0;i<n;i++){
				if(st[i]=='1') sum+=(1<<i);
				if(st[i]=='?') tmp.pb(1<<i);
			}
			for(int i=0;i<(1<<tmp.size());i++){
				int tmpsum=sum;
				for(int j=0;j<tmp.size();j++){
					if(i&(1<<j)) tmpsum+=tmp[j];
				}
				ans+=a[tmpsum];
			}
		}
		else if(o<=z && o<=u){
			for(int i=0;i<n;i++){
				if(st[i]=='1' || st[i]=='?') sum+=(1<<i);
				if(st[i]=='1') tmp.pb(1<<i);
			}
			for(int i=0;i<(1<<tmp.size());i++){
				int tmpsum=sum,c=0;
				for(int j=0;j<tmp.size();j++){
					if(i&(1<<j)){
						tmpsum^=(tmp[j]);
						c++;
					}
				}
				if(c%2) c=-1;
				else c=1;
				ans+=c*dp[tmpsum][0];
			}
		}
		else{
			for(int i=0;i<n;i++){
				if(st[i]=='1') sum+=(1<<i);
				if(st[i]=='0') tmp.pb(1<<i);
			}
			for(int i=0;i<(1<<tmp.size());i++){
				int tmpsum=sum,c=0;
				for(int j=0;j<tmp.size();j++){
					if(!(i&(1<<j))){
						tmpsum^=(tmp[j]);
						c++;
					}
				}
				if(c%2) c=-1;
				else c=1;
				ans+=c*dp[tmpsum][1];
			}
		}
		cout<<ans<<endl;
	}
}
signed main(){
	int t=1;//cin>>t;
	while(t--)
	solve();
}

Compilation message

snake_escaping.cpp: In function 'void solve()':
snake_escaping.cpp:30:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |   for(int i=0;i<st.size();i++){
      |               ~^~~~~~~~~~
snake_escaping.cpp:44:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |     for(int j=0;j<tmp.size();j++){
      |                 ~^~~~~~~~~~~
snake_escaping.cpp:57:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |     for(int j=0;j<tmp.size();j++){
      |                 ~^~~~~~~~~~~
snake_escaping.cpp:75:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |     for(int j=0;j<tmp.size();j++){
      |                 ~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 1541 ms 5496 KB Output is correct
12 Correct 1602 ms 14816 KB Output is correct
13 Correct 1753 ms 13928 KB Output is correct
14 Correct 1785 ms 14056 KB Output is correct
15 Correct 1679 ms 15180 KB Output is correct
16 Correct 1733 ms 14324 KB Output is correct
17 Correct 1746 ms 14288 KB Output is correct
18 Correct 1568 ms 16172 KB Output is correct
19 Correct 1635 ms 12956 KB Output is correct
20 Correct 1532 ms 14644 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 1541 ms 5496 KB Output is correct
12 Correct 1602 ms 14816 KB Output is correct
13 Correct 1753 ms 13928 KB Output is correct
14 Correct 1785 ms 14056 KB Output is correct
15 Correct 1679 ms 15180 KB Output is correct
16 Correct 1733 ms 14324 KB Output is correct
17 Correct 1746 ms 14288 KB Output is correct
18 Correct 1568 ms 16172 KB Output is correct
19 Correct 1635 ms 12956 KB Output is correct
20 Correct 1532 ms 14644 KB Output is correct
21 Correct 1694 ms 18148 KB Output is correct
22 Correct 1676 ms 18456 KB Output is correct
23 Correct 1864 ms 17756 KB Output is correct
24 Correct 1986 ms 17200 KB Output is correct
25 Correct 1773 ms 19180 KB Output is correct
26 Correct 1897 ms 17676 KB Output is correct
27 Correct 1863 ms 17572 KB Output is correct
28 Correct 1565 ms 20304 KB Output is correct
29 Correct 1695 ms 16096 KB Output is correct
30 Correct 1686 ms 18260 KB Output is correct
31 Correct 1844 ms 18168 KB Output is correct
32 Correct 1922 ms 18284 KB Output is correct
33 Correct 1742 ms 17048 KB Output is correct
34 Correct 1973 ms 17164 KB Output is correct
35 Correct 1871 ms 17560 KB Output is correct
36 Correct 1532 ms 16104 KB Output is correct
37 Correct 1701 ms 18192 KB Output is correct
38 Correct 1642 ms 16288 KB Output is correct
39 Correct 1837 ms 17268 KB Output is correct
40 Correct 1895 ms 17208 KB Output is correct

Subtask #4
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 152 ms 28060 KB Output is correct
12 Correct 160 ms 28484 KB Output is correct
13 Correct 161 ms 28256 KB Output is correct
14 Correct 206 ms 28256 KB Output is correct
15 Correct 149 ms 28476 KB Output is correct
16 Correct 206 ms 28228 KB Output is correct
17 Correct 199 ms 28716 KB Output is correct
18 Correct 130 ms 28496 KB Output is correct
19 Correct 145 ms 28228 KB Output is correct
20 Correct 145 ms 28480 KB Output is correct
21 Correct 176 ms 28324 KB Output is correct
22 Correct 215 ms 28456 KB Output is correct
23 Correct 163 ms 28228 KB Output is correct
24 Correct 215 ms 28488 KB Output is correct
25 Correct 194 ms 28224 KB Output is correct
26 Correct 141 ms 28268 KB Output is correct
27 Correct 156 ms 28496 KB Output is correct
28 Correct 144 ms 28244 KB Output is correct
29 Correct 173 ms 28376 KB Output is correct
30 Correct 198 ms 28492 KB Output is correct
31 Correct 142 ms 28224 KB Output is correct
32 Correct 247 ms 28252 KB Output is correct
33 Correct 194 ms 28424 KB Output is correct
34 Correct 135 ms 28260 KB Output is correct
35 Correct 176 ms 28280 KB Output is correct
36 Correct 183 ms 28232 KB Output is correct
37 Correct 184 ms 28448 KB Output is correct
38 Correct 177 ms 28224 KB Output is correct
39 Correct 189 ms 28256 KB Output is correct
40 Correct 191 ms 28416 KB Output is correct

Subtask #5
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 348 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 1541 ms 5496 KB Output is correct
12 Correct 1602 ms 14816 KB Output is correct
13 Correct 1753 ms 13928 KB Output is correct
14 Correct 1785 ms 14056 KB Output is correct
15 Correct 1679 ms 15180 KB Output is correct
16 Correct 1733 ms 14324 KB Output is correct
17 Correct 1746 ms 14288 KB Output is correct
18 Correct 1568 ms 16172 KB Output is correct
19 Correct 1635 ms 12956 KB Output is correct
20 Correct 1532 ms 14644 KB Output is correct
21 Correct 1694 ms 18148 KB Output is correct
22 Correct 1676 ms 18456 KB Output is correct
23 Correct 1864 ms 17756 KB Output is correct
24 Correct 1986 ms 17200 KB Output is correct
25 Correct 1773 ms 19180 KB Output is correct
26 Correct 1897 ms 17676 KB Output is correct
27 Correct 1863 ms 17572 KB Output is correct
28 Correct 1565 ms 20304 KB Output is correct
29 Correct 1695 ms 16096 KB Output is correct
30 Correct 1686 ms 18260 KB Output is correct
31 Correct 1844 ms 18168 KB Output is correct
32 Correct 1922 ms 18284 KB Output is correct
33 Correct 1742 ms 17048 KB Output is correct
34 Correct 1973 ms 17164 KB Output is correct
35 Correct 1871 ms 17560 KB Output is correct
36 Correct 1532 ms 16104 KB Output is correct
37 Correct 1701 ms 18192 KB Output is correct
38 Correct 1642 ms 16288 KB Output is correct
39 Correct 1837 ms 17268 KB Output is correct
40 Correct 1895 ms 17208 KB Output is correct
41 Correct 152 ms 28060 KB Output is correct
42 Correct 160 ms 28484 KB Output is correct
43 Correct 161 ms 28256 KB Output is correct
44 Correct 206 ms 28256 KB Output is correct
45 Correct 149 ms 28476 KB Output is correct
46 Correct 206 ms 28228 KB Output is correct
47 Correct 199 ms 28716 KB Output is correct
48 Correct 130 ms 28496 KB Output is correct
49 Correct 145 ms 28228 KB Output is correct
50 Correct 145 ms 28480 KB Output is correct
51 Correct 176 ms 28324 KB Output is correct
52 Correct 215 ms 28456 KB Output is correct
53 Correct 163 ms 28228 KB Output is correct
54 Correct 215 ms 28488 KB Output is correct
55 Correct 194 ms 28224 KB Output is correct
56 Correct 141 ms 28268 KB Output is correct
57 Correct 156 ms 28496 KB Output is correct
58 Correct 144 ms 28244 KB Output is correct
59 Correct 173 ms 28376 KB Output is correct
60 Correct 198 ms 28492 KB Output is correct
61 Correct 142 ms 28224 KB Output is correct
62 Correct 247 ms 28252 KB Output is correct
63 Correct 194 ms 28424 KB Output is correct
64 Correct 135 ms 28260 KB Output is correct
65 Correct 176 ms 28280 KB Output is correct
66 Correct 183 ms 28232 KB Output is correct
67 Correct 184 ms 28448 KB Output is correct
68 Correct 177 ms 28224 KB Output is correct
69 Correct 189 ms 28256 KB Output is correct
70 Correct 191 ms 28416 KB Output is correct
71 Execution timed out 2019 ms 52420 KB Time limit exceeded
72 Halted 0 ms 0 KB -