답안 #161423

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
161423	2019-11-02T10:54:56 Z	HungAnhGoldIBO2020	Snake Escaping (JOI18_snake_escaping)	C++14	100 / 100	1185 ms	43416 KB

snake_escaping

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

답안 #161423

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 10.0 / 10.0

Subtask #4 53.0 / 53.0

Subtask #5 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
10.0 / 10.0

Subtask #4
53.0 / 53.0

Subtask #5
25.0 / 25.0