Submission #160128

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
160128	2019-10-26T05:56:34 Z	GioChkhaidze	Snake Escaping (JOI18_snake_escaping)	C++14	22 / 100	470 ms	49656 KB

snake_escaping

#include <bits/stdc++.h>
using namespace std;
int n,q,C[(1<<21)],M[20],dp[2594323],ANS[1000006],Y[1000006],vs;
main () { 
	ios::sync_with_stdio(false);
	cin>>n>>q;
	
	M[0]=1;
	for (int i=1; i<=13; i++) 
		M[i]=M[i-1]*3;
	
	if (n<=13) {	
		
		for (int i=0; i<(1<<n); i++) {
			char c;
			cin>>c;
			C[i]=c-'0';
			
			int x=0;
			for (int j=0; j<n; j++) 
				if (i&(1<<j)) x+=M[j];
			dp[x]+=C[i];
		}
		
		for (int i=0; i<M[n]; i++) {
			int x=i;
			for (int j=n-1; j>=0; j--) 
				if (x-2*M[j]>=0) x-=2*M[j],dp[i]=(dp[i-2*M[j]]+dp[i-M[j]]);	
					else
				if (x-M[j]>=0) x-=M[j];
		}
		
		for (int i=1; i<=q; i++) {
			string s;
			int x=0;
			cin>>s;	
					
			for (int j=0; j<s.size(); j++) 
				if (s[s.size()-j-1]=='?') x+=2*M[j];	
					else
				if (s[s.size()-j-1]=='1') x+=M[j];
			
			printf("%d\n",dp[x]);
		}
	}
		else {
		for (int i=0; i<(1<<n); i++) {
			char c;
			cin>>c;
			C[i]=c-'0';
		}

		int K=(n-13);
		
		bool Bo[q][(1<<7)+5];
		
		for (int i=1; i<=q; i++) {
			string S;
			cin>>S;	
			
			for (int k=S.size()-1; k>=K; k--) {
				if (S[k]=='?') Y[i]+=2*M[k-S.size()+1];	
					else
				if (S[k]=='1') Y[i]+=M[k-S.size()+1];
			}
			
			int Bit=0;
			for (int k=0; k<K; k++) 
				if (S[k]=='1') Bit+=(1<<k);

			for (int j=0; j<(1<<K); j++) 
				if (j&Bit==Bit) Bo[i][j]=1;
		}
		
		int Last2[M[13]+5];
		
		for (int i=0; i<M[13]; i++) {
			int x=i;
			Last2[i]=-1;
			for (int j=12; j>=0; j--) 
				if (x>=2*M[j]) { Last2[i]=j; break; }
						else
				if (x>=M[j]) x-=M[j];
		}
		
		for (int i=0; i<(1<<K); i++) {
			for (int j=0; j<M[13]; j++)
				dp[j]=0;
			
			for (int j=0; j<(1<<13); j++) {
				int x=0;
				for (int k=0; k<13; k++) 
					if (i&(1<<k)) x+=M[k];
				dp[x]=C[i*(1<<13)+j];
			}
			
			for (int j=0; j<M[13]; j++) {
				int x=j;
				if (Last2[j]==-1) continue;
				dp[j]=(dp[j-2*M[Last2[j]]]+dp[j-M[Last2[j]]]);	
			}
			
			for (int j=1; j<=q; j++) {
				if (!Bo[j][i]) continue;
				ANS[j]+=dp[Y[j]];
			}
		}
		
		for (int i=1; i<=q; i++) 
			printf("%d\n",ANS[i]);		
	}
}

Compilation message

snake_escaping.cpp:4:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () { 
       ^
snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:38:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int j=0; j<s.size(); j++) 
                  ~^~~~~~~~~
snake_escaping.cpp:72:14: warning: self-comparison always evaluates to true [-Wtautological-compare]
     if (j&Bit==Bit) Bo[i][j]=1;
           ~~~^~~~~
snake_escaping.cpp:72:14: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
snake_escaping.cpp:98:9: warning: unused variable 'x' [-Wunused-variable]
     int x=j;
         ^

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	632 KB	Output is correct
2	Correct	4 ms	632 KB	Output is correct
3	Correct	4 ms	632 KB	Output is correct
4	Correct	4 ms	636 KB	Output is correct
5	Correct	4 ms	632 KB	Output is correct
6	Correct	4 ms	632 KB	Output is correct
7	Correct	4 ms	632 KB	Output is correct
8	Correct	4 ms	632 KB	Output is correct
9	Correct	12 ms	632 KB	Output is correct
10	Correct	4 ms	632 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	632 KB	Output is correct
2	Correct	4 ms	632 KB	Output is correct
3	Correct	4 ms	632 KB	Output is correct
4	Correct	4 ms	636 KB	Output is correct
5	Correct	4 ms	632 KB	Output is correct
6	Correct	4 ms	632 KB	Output is correct
7	Correct	4 ms	632 KB	Output is correct
8	Correct	4 ms	632 KB	Output is correct
9	Correct	12 ms	632 KB	Output is correct
10	Correct	4 ms	632 KB	Output is correct
11	Correct	254 ms	4824 KB	Output is correct
12	Correct	270 ms	4280 KB	Output is correct
13	Correct	278 ms	3528 KB	Output is correct
14	Correct	289 ms	3576 KB	Output is correct
15	Correct	283 ms	4728 KB	Output is correct
16	Correct	290 ms	3960 KB	Output is correct
17	Correct	295 ms	3708 KB	Output is correct
18	Correct	206 ms	5624 KB	Output is correct
19	Correct	249 ms	2776 KB	Output is correct
20	Correct	269 ms	4344 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	632 KB	Output is correct
2	Correct	4 ms	632 KB	Output is correct
3	Correct	4 ms	632 KB	Output is correct
4	Correct	4 ms	636 KB	Output is correct
5	Correct	4 ms	632 KB	Output is correct
6	Correct	4 ms	632 KB	Output is correct
7	Correct	4 ms	632 KB	Output is correct
8	Correct	4 ms	632 KB	Output is correct
9	Correct	12 ms	632 KB	Output is correct
10	Correct	4 ms	632 KB	Output is correct
11	Correct	254 ms	4824 KB	Output is correct
12	Correct	270 ms	4280 KB	Output is correct
13	Correct	278 ms	3528 KB	Output is correct
14	Correct	289 ms	3576 KB	Output is correct
15	Correct	283 ms	4728 KB	Output is correct
16	Correct	290 ms	3960 KB	Output is correct
17	Correct	295 ms	3708 KB	Output is correct
18	Correct	206 ms	5624 KB	Output is correct
19	Correct	249 ms	2776 KB	Output is correct
20	Correct	269 ms	4344 KB	Output is correct
21	Correct	341 ms	10736 KB	Output is correct
22	Correct	370 ms	10740 KB	Output is correct
23	Correct	415 ms	9892 KB	Output is correct
24	Correct	406 ms	9696 KB	Output is correct
25	Correct	379 ms	11732 KB	Output is correct
26	Correct	444 ms	10168 KB	Output is correct
27	Correct	459 ms	10188 KB	Output is correct
28	Correct	266 ms	12664 KB	Output is correct
29	Correct	338 ms	8696 KB	Output is correct
30	Correct	352 ms	10840 KB	Output is correct
31	Correct	419 ms	10628 KB	Output is correct
32	Correct	432 ms	10744 KB	Output is correct
33	Correct	374 ms	9624 KB	Output is correct
34	Correct	429 ms	9924 KB	Output is correct
35	Correct	470 ms	10232 KB	Output is correct
36	Correct	255 ms	8828 KB	Output is correct
37	Correct	360 ms	10872 KB	Output is correct
38	Correct	339 ms	8712 KB	Output is correct
39	Correct	429 ms	9952 KB	Output is correct
40	Correct	413 ms	9688 KB	Output is correct

Subtask #4
0 / 53.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	632 KB	Output is correct
2	Correct	4 ms	632 KB	Output is correct
3	Correct	4 ms	632 KB	Output is correct
4	Correct	4 ms	636 KB	Output is correct
5	Correct	4 ms	632 KB	Output is correct
6	Correct	4 ms	632 KB	Output is correct
7	Correct	4 ms	632 KB	Output is correct
8	Correct	4 ms	632 KB	Output is correct
9	Correct	12 ms	632 KB	Output is correct
10	Correct	4 ms	632 KB	Output is correct
11	Runtime error	101 ms	49656 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
12	Halted	0 ms	0 KB	-

Subtask #5
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	632 KB	Output is correct
2	Correct	4 ms	632 KB	Output is correct
3	Correct	4 ms	632 KB	Output is correct
4	Correct	4 ms	636 KB	Output is correct
5	Correct	4 ms	632 KB	Output is correct
6	Correct	4 ms	632 KB	Output is correct
7	Correct	4 ms	632 KB	Output is correct
8	Correct	4 ms	632 KB	Output is correct
9	Correct	12 ms	632 KB	Output is correct
10	Correct	4 ms	632 KB	Output is correct
11	Correct	254 ms	4824 KB	Output is correct
12	Correct	270 ms	4280 KB	Output is correct
13	Correct	278 ms	3528 KB	Output is correct
14	Correct	289 ms	3576 KB	Output is correct
15	Correct	283 ms	4728 KB	Output is correct
16	Correct	290 ms	3960 KB	Output is correct
17	Correct	295 ms	3708 KB	Output is correct
18	Correct	206 ms	5624 KB	Output is correct
19	Correct	249 ms	2776 KB	Output is correct
20	Correct	269 ms	4344 KB	Output is correct
21	Correct	341 ms	10736 KB	Output is correct
22	Correct	370 ms	10740 KB	Output is correct
23	Correct	415 ms	9892 KB	Output is correct
24	Correct	406 ms	9696 KB	Output is correct
25	Correct	379 ms	11732 KB	Output is correct
26	Correct	444 ms	10168 KB	Output is correct
27	Correct	459 ms	10188 KB	Output is correct
28	Correct	266 ms	12664 KB	Output is correct
29	Correct	338 ms	8696 KB	Output is correct
30	Correct	352 ms	10840 KB	Output is correct
31	Correct	419 ms	10628 KB	Output is correct
32	Correct	432 ms	10744 KB	Output is correct
33	Correct	374 ms	9624 KB	Output is correct
34	Correct	429 ms	9924 KB	Output is correct
35	Correct	470 ms	10232 KB	Output is correct
36	Correct	255 ms	8828 KB	Output is correct
37	Correct	360 ms	10872 KB	Output is correct
38	Correct	339 ms	8712 KB	Output is correct
39	Correct	429 ms	9952 KB	Output is correct
40	Correct	413 ms	9688 KB	Output is correct
41	Runtime error	101 ms	49656 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
42	Halted	0 ms	0 KB	-

Submission #160128

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 10.0 / 10.0

Subtask #4 0 / 53.0

Subtask #5 0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
10.0 / 10.0

Subtask #4
0 / 53.0

Subtask #5
0 / 25.0