oj.uz

Submission #161423

# Submission time Handle Problem Language Result Execution time Memory
161423 2019-11-02T10:54:56 Z HungAnhGoldIBO2020 Snake Escaping (JOI18_snake_escaping) C++14
100 / 100
 1185 ms 43416 KB 
#include<bits/stdc++.h>
using namespace std;
const int N=1e6+1e5;
int f0[N],f1[N],val[N];
signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int q,n,m,i,j,k,l,m1,m2,m3,ans;
	cin>>n>>q;
	string s;
	cin>>s;
	k=(1<<n)-1;
	for(i=0;i<=k;i++){
		val[i]=f1[i]=f0[k^i]=s[i]-'0';
	}
	for(i=0;i<n;i++){
		for(j=0;j<=k;j++){
			if((j&(1<<i))){
				f1[j]+=f1[j^(1<<i)];
				f0[j]+=f0[j^(1<<i)];
			}
		}
	}
//	cout<<f0[4]<<' '<<f0[0]<<endl;
	for(i=1;i<=q;i++){
		m1=m2=m3=ans=0;
		cin>>s;
		for(j=0;j<n;j++){
			if(s[n-j-1]=='0'){
				m1|=(1<<j);
			}
			if(s[n-j-1]=='1'){
				m2|=(1<<j);
			}
			if(s[n-j-1]=='?'){
				m3|=(1<<j);
			}
		}
		if(__builtin_popcount(m1)<=n/3){
			for(j=m1;j;j=(j-1)&m1){
				if((__builtin_popcount(m1)&1)==(__builtin_popcount(j)&1)){
					ans+=f0[m3|j];
				}
				else{
					ans-=f0[m3|j];
				}
			}
//			cout<<m3<<'\n';
			if((__builtin_popcount(m1)&1)==(__builtin_popcount(j)&1)){
				ans+=f0[m3|j];
			}
			else{
				ans-=f0[m3|j];
			}
			cout<<ans<<'\n';
//			cout<<"cac"<<'\n';
			continue;
		}
		if(__builtin_popcount(m2)<=n/3){
			for(j=m2;j;j=(j-1)&m2){
				if((__builtin_popcount(m2)&1)==(__builtin_popcount(j)&1)){
					ans+=f1[m3|j];
				}
				else{
					ans-=f1[m3|j];
				}
			}
			if((__builtin_popcount(m2)&1)==(__builtin_popcount(j)&1)){
				ans+=f1[m3|j];
			}
			else{
				ans-=f1[m3|j];
			}
			cout<<ans<<'\n';
			continue;
		}
		if(__builtin_popcount(m3)<=n/3){
			ans=val[m2];
			for(j=m3;j;j=(j-1)&m3){
				ans+=val[m2|j];
			}
			cout<<ans<<'\n';
			continue;
		}
	}	
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:8:10: warning: unused variable 'm' [-Wunused-variable]
  int q,n,m,i,j,k,l,m1,m2,m3,ans;
          ^
snake_escaping.cpp:8:18: warning: unused variable 'l' [-Wunused-variable]
  int q,n,m,i,j,k,l,m1,m2,m3,ans;
                  ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 428 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 428 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 428 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 428 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 428 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 428 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 250 ms 15184 KB Output is correct
12 Correct 279 ms 14820 KB Output is correct
13 Correct 321 ms 14152 KB Output is correct
14 Correct 340 ms 14200 KB Output is correct
15 Correct 284 ms 15132 KB Output is correct
16 Correct 313 ms 14432 KB Output is correct
17 Correct 313 ms 14452 KB Output is correct
18 Correct 203 ms 16248 KB Output is correct
19 Correct 253 ms 13176 KB Output is correct
20 Correct 266 ms 14840 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 428 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 428 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 428 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 250 ms 15184 KB Output is correct
12 Correct 279 ms 14820 KB Output is correct
13 Correct 321 ms 14152 KB Output is correct
14 Correct 340 ms 14200 KB Output is correct
15 Correct 284 ms 15132 KB Output is correct
16 Correct 313 ms 14432 KB Output is correct
17 Correct 313 ms 14452 KB Output is correct
18 Correct 203 ms 16248 KB Output is correct
19 Correct 253 ms 13176 KB Output is correct
20 Correct 266 ms 14840 KB Output is correct
21 Correct 284 ms 18280 KB Output is correct
22 Correct 312 ms 18432 KB Output is correct
23 Correct 367 ms 17528 KB Output is correct
24 Correct 422 ms 17268 KB Output is correct
25 Correct 341 ms 19184 KB Output is correct
26 Correct 405 ms 17796 KB Output is correct
27 Correct 374 ms 17656 KB Output is correct
28 Correct 233 ms 20348 KB Output is correct
29 Correct 283 ms 16232 KB Output is correct
30 Correct 314 ms 18420 KB Output is correct
31 Correct 356 ms 18164 KB Output is correct
32 Correct 401 ms 18296 KB Output is correct
33 Correct 317 ms 17116 KB Output is correct
34 Correct 379 ms 17272 KB Output is correct
35 Correct 392 ms 17756 KB Output is correct
36 Correct 199 ms 16372 KB Output is correct
37 Correct 300 ms 18372 KB Output is correct
38 Correct 316 ms 16372 KB Output is correct
39 Correct 370 ms 17444 KB Output is correct
40 Correct 392 ms 17272 KB Output is correct

Subtask #4
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 428 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 428 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 428 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 73 ms 16152 KB Output is correct
12 Correct 71 ms 16172 KB Output is correct
13 Correct 83 ms 16156 KB Output is correct
14 Correct 95 ms 16228 KB Output is correct
15 Correct 166 ms 16152 KB Output is correct
16 Correct 95 ms 16140 KB Output is correct
17 Correct 90 ms 16152 KB Output is correct
18 Correct 60 ms 16276 KB Output is correct
19 Correct 67 ms 16032 KB Output is correct
20 Correct 69 ms 16280 KB Output is correct
21 Correct 80 ms 16280 KB Output is correct
22 Correct 89 ms 16024 KB Output is correct
23 Correct 68 ms 16020 KB Output is correct
24 Correct 98 ms 16044 KB Output is correct
25 Correct 95 ms 16028 KB Output is correct
26 Correct 61 ms 16020 KB Output is correct
27 Correct 68 ms 16152 KB Output is correct
28 Correct 71 ms 15940 KB Output is correct
29 Correct 78 ms 16028 KB Output is correct
30 Correct 79 ms 16284 KB Output is correct
31 Correct 130 ms 16064 KB Output is correct
32 Correct 109 ms 16228 KB Output is correct
33 Correct 100 ms 16252 KB Output is correct
34 Correct 59 ms 16024 KB Output is correct
35 Correct 88 ms 16152 KB Output is correct
36 Correct 87 ms 16152 KB Output is correct
37 Correct 88 ms 16024 KB Output is correct
38 Correct 85 ms 16028 KB Output is correct
39 Correct 90 ms 16120 KB Output is correct
40 Correct 100 ms 16156 KB Output is correct

Subtask #5
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 428 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 428 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 428 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 250 ms 15184 KB Output is correct
12 Correct 279 ms 14820 KB Output is correct
13 Correct 321 ms 14152 KB Output is correct
14 Correct 340 ms 14200 KB Output is correct
15 Correct 284 ms 15132 KB Output is correct
16 Correct 313 ms 14432 KB Output is correct
17 Correct 313 ms 14452 KB Output is correct
18 Correct 203 ms 16248 KB Output is correct
19 Correct 253 ms 13176 KB Output is correct
20 Correct 266 ms 14840 KB Output is correct
21 Correct 284 ms 18280 KB Output is correct
22 Correct 312 ms 18432 KB Output is correct
23 Correct 367 ms 17528 KB Output is correct
24 Correct 422 ms 17268 KB Output is correct
25 Correct 341 ms 19184 KB Output is correct
26 Correct 405 ms 17796 KB Output is correct
27 Correct 374 ms 17656 KB Output is correct
28 Correct 233 ms 20348 KB Output is correct
29 Correct 283 ms 16232 KB Output is correct
30 Correct 314 ms 18420 KB Output is correct
31 Correct 356 ms 18164 KB Output is correct
32 Correct 401 ms 18296 KB Output is correct
33 Correct 317 ms 17116 KB Output is correct
34 Correct 379 ms 17272 KB Output is correct
35 Correct 392 ms 17756 KB Output is correct
36 Correct 199 ms 16372 KB Output is correct
37 Correct 300 ms 18372 KB Output is correct
38 Correct 316 ms 16372 KB Output is correct
39 Correct 370 ms 17444 KB Output is correct
40 Correct 392 ms 17272 KB Output is correct
41 Correct 73 ms 16152 KB Output is correct
42 Correct 71 ms 16172 KB Output is correct
43 Correct 83 ms 16156 KB Output is correct
44 Correct 95 ms 16228 KB Output is correct
45 Correct 166 ms 16152 KB Output is correct
46 Correct 95 ms 16140 KB Output is correct
47 Correct 90 ms 16152 KB Output is correct
48 Correct 60 ms 16276 KB Output is correct
49 Correct 67 ms 16032 KB Output is correct
50 Correct 69 ms 16280 KB Output is correct
51 Correct 80 ms 16280 KB Output is correct
52 Correct 89 ms 16024 KB Output is correct
53 Correct 68 ms 16020 KB Output is correct
54 Correct 98 ms 16044 KB Output is correct
55 Correct 95 ms 16028 KB Output is correct
56 Correct 61 ms 16020 KB Output is correct
57 Correct 68 ms 16152 KB Output is correct
58 Correct 71 ms 15940 KB Output is correct
59 Correct 78 ms 16028 KB Output is correct
60 Correct 79 ms 16284 KB Output is correct
61 Correct 130 ms 16064 KB Output is correct
62 Correct 109 ms 16228 KB Output is correct
63 Correct 100 ms 16252 KB Output is correct
64 Correct 59 ms 16024 KB Output is correct
65 Correct 88 ms 16152 KB Output is correct
66 Correct 87 ms 16152 KB Output is correct
67 Correct 88 ms 16024 KB Output is correct
68 Correct 85 ms 16028 KB Output is correct
69 Correct 90 ms 16120 KB Output is correct
70 Correct 100 ms 16156 KB Output is correct
71 Correct 460 ms 40656 KB Output is correct
72 Correct 504 ms 40724 KB Output is correct
73 Correct 697 ms 39128 KB Output is correct
74 Correct 942 ms 39504 KB Output is correct
75 Correct 513 ms 41608 KB Output is correct
76 Correct 1026 ms 39828 KB Output is correct
77 Correct 1059 ms 39752 KB Output is correct
78 Correct 310 ms 43416 KB Output is correct
79 Correct 440 ms 37544 KB Output is correct
80 Correct 497 ms 40600 KB Output is correct
81 Correct 681 ms 40600 KB Output is correct
82 Correct 837 ms 39608 KB Output is correct
83 Correct 487 ms 38680 KB Output is correct
84 Correct 1185 ms 39596 KB Output is correct
85 Correct 969 ms 39824 KB Output is correct
86 Correct 266 ms 37528 KB Output is correct
87 Correct 474 ms 40468 KB Output is correct
88 Correct 518 ms 37388 KB Output is correct
89 Correct 658 ms 39212 KB Output is correct
90 Correct 585 ms 39664 KB Output is correct
91 Correct 519 ms 38660 KB Output is correct
92 Correct 1028 ms 39796 KB Output is correct
93 Correct 1049 ms 39852 KB Output is correct
94 Correct 267 ms 37508 KB Output is correct
95 Correct 845 ms 39636 KB Output is correct
96 Correct 892 ms 39840 KB Output is correct
97 Correct 880 ms 39608 KB Output is correct
98 Correct 847 ms 39460 KB Output is correct
99 Correct 891 ms 39664 KB Output is correct
100 Correct 828 ms 39440 KB Output is correct