oj.uz

Submission #160151

# Submission time Handle Problem Language Result Execution time Memory
160151 2019-10-26T07:25:08 Z GioChkhaidze Snake Escaping (JOI18_snake_escaping) C++14
22 / 100
 726 ms 17908 KB 
#pragma GCC optimize ("O3")
#pragma GCC optimize ("Ofast")
#include <bits/stdc++.h>
using namespace std;
const int Q=1e6+5;
const int M20=1048576;
const int M13=1594323;
int n,q,C[M20+5],M[15],dp[M13+5],ANS[Q],Y[Q],Last2[M13+5],Boz[Q],Boz2[Q],x,ko,K,i,j,k,Mid;	
string S,s;
char c;
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;
	
	Mid=13;
	
	if (n<=Mid) {	
		for (i=0; i<(1<<n); i++) {
			cin>>c;
			C[i]=c-'0';
			
			x=0;
			for (j=0; j<n; j++) 
				if (i&(1<<j)) x+=M[j];
			dp[x]+=C[i];
		}
		
		for (i=0; i<M[n]; i++) {
			x=i;
			for (j=n-1; j>=0; j--) 
				if (x>=2*M[j]) x-=2*M[j],dp[i]=(dp[i-2*M[j]]+dp[i-M[j]]);	
					else
				if (x>=M[j]) x-=M[j];
		}
		
		for (i=1; i<=q; i++) {
			x=0;
			cin>>s;			
			for (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 {
		getline(cin,s);	
		for (i=0; i<(1<<n); i++) {
			c=getchar();
			C[i]=c-'0';	
		}

		K=(n-Mid);
		for (i=1; i<=q; i++) {
			S="";
			getchar();
			for (j=0; j<n; j++) {
				c=getchar();
				S+=c;
			}
			
			for (k=S.size()-1; k>=K; k--) {
				if (S[k]=='?') Y[i]+=2*M[S.size()-1-k];	
					else
				if (S[k]=='1') Y[i]+=M[S.size()-1-k];
			}
			
			for (k=0; k<K; k++)
				if (S[K-k-1]=='?') Boz2[i]+=(1<<(k));
					else
				if (S[K-k-1]=='1') Boz[i]+=(1<<(k));
		}
		
		for (i=0; i<M[Mid]; i++) {
			x=i;
			Last2[i]=-1;
			for (j=Mid-1; j>=0; j--) 
				if (x>=2*M[j]) { Last2[i]=j; break; }
						else
				if (x>=M[j]) x-=M[j];
		}
		
		for (i=0; i<(1<<K); i++) {
			for (int j=0; j<M[Mid]; j++)
				dp[j]=0;

			for (j=0; j<(1<<Mid); j++) {
				x=0;
				for (k=0; k<Mid; k++) 
					if (j&(1<<k)) x+=M[k];
				dp[x]=C[i*(1<<Mid)+j];
			}
			
			for (j=0; j<M[Mid]; j++) 
				if (Last2[j]!=-1) dp[j]=(dp[j-2*M[Last2[j]]]+dp[j-M[Last2[j]]]);	
			
			for (j=1; j<=q; j++) {
				ko=0;
				for (k=0; k<K; k++) {
					if (Boz2[j]&(1<<k)) continue;
					if (!((Boz[j]^i)&(1<<k))) continue;
					ko=1; 
					break;
				}
				
				if (!ko) ANS[j]+=dp[Y[j]];
			}
		}
		
		for (i=1; i<=q; i++) 
			printf("%d\n",ANS[i]);		
	}
}

Compilation message

snake_escaping.cpp:11:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () { 
       ^
snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:43:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (j=0; j<s.size(); 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 632 KB Output is correct
5 Correct 4 ms 632 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 4 ms 632 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 4 ms 632 KB Output is correct
10 Correct 4 ms 636 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 632 KB Output is correct
5 Correct 4 ms 632 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 4 ms 632 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 4 ms 632 KB Output is correct
10 Correct 4 ms 636 KB Output is correct
11 Correct 258 ms 4596 KB Output is correct
12 Correct 332 ms 4348 KB Output is correct
13 Correct 291 ms 3576 KB Output is correct
14 Correct 324 ms 3704 KB Output is correct
15 Correct 295 ms 4600 KB Output is correct
16 Correct 311 ms 3932 KB Output is correct
17 Correct 309 ms 3704 KB Output is correct
18 Correct 210 ms 5656 KB Output is correct
19 Correct 262 ms 2804 KB Output is correct
20 Correct 283 ms 4216 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 632 KB Output is correct
5 Correct 4 ms 632 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 4 ms 632 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 4 ms 632 KB Output is correct
10 Correct 4 ms 636 KB Output is correct
11 Correct 258 ms 4596 KB Output is correct
12 Correct 332 ms 4348 KB Output is correct
13 Correct 291 ms 3576 KB Output is correct
14 Correct 324 ms 3704 KB Output is correct
15 Correct 295 ms 4600 KB Output is correct
16 Correct 311 ms 3932 KB Output is correct
17 Correct 309 ms 3704 KB Output is correct
18 Correct 210 ms 5656 KB Output is correct
19 Correct 262 ms 2804 KB Output is correct
20 Correct 283 ms 4216 KB Output is correct
21 Correct 383 ms 10616 KB Output is correct
22 Correct 386 ms 10872 KB Output is correct
23 Correct 450 ms 9848 KB Output is correct
24 Correct 448 ms 9720 KB Output is correct
25 Correct 408 ms 11768 KB Output is correct
26 Correct 491 ms 10232 KB Output is correct
27 Correct 502 ms 10228 KB Output is correct
28 Correct 299 ms 12680 KB Output is correct
29 Correct 353 ms 8704 KB Output is correct
30 Correct 401 ms 10744 KB Output is correct
31 Correct 536 ms 10780 KB Output is correct
32 Correct 545 ms 10744 KB Output is correct
33 Correct 378 ms 9720 KB Output is correct
34 Correct 452 ms 9692 KB Output is correct
35 Correct 494 ms 10360 KB Output is correct
36 Correct 274 ms 8696 KB Output is correct
37 Correct 369 ms 10684 KB Output is correct
38 Correct 359 ms 8696 KB Output is correct
39 Correct 443 ms 9848 KB Output is correct
40 Correct 440 ms 9852 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 632 KB Output is correct
5 Correct 4 ms 632 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 4 ms 632 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 4 ms 632 KB Output is correct
10 Correct 4 ms 636 KB Output is correct
11 Incorrect 726 ms 17908 KB Output isn't correct
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 632 KB Output is correct
5 Correct 4 ms 632 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 4 ms 632 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 4 ms 632 KB Output is correct
10 Correct 4 ms 636 KB Output is correct
11 Correct 258 ms 4596 KB Output is correct
12 Correct 332 ms 4348 KB Output is correct
13 Correct 291 ms 3576 KB Output is correct
14 Correct 324 ms 3704 KB Output is correct
15 Correct 295 ms 4600 KB Output is correct
16 Correct 311 ms 3932 KB Output is correct
17 Correct 309 ms 3704 KB Output is correct
18 Correct 210 ms 5656 KB Output is correct
19 Correct 262 ms 2804 KB Output is correct
20 Correct 283 ms 4216 KB Output is correct
21 Correct 383 ms 10616 KB Output is correct
22 Correct 386 ms 10872 KB Output is correct
23 Correct 450 ms 9848 KB Output is correct
24 Correct 448 ms 9720 KB Output is correct
25 Correct 408 ms 11768 KB Output is correct
26 Correct 491 ms 10232 KB Output is correct
27 Correct 502 ms 10228 KB Output is correct
28 Correct 299 ms 12680 KB Output is correct
29 Correct 353 ms 8704 KB Output is correct
30 Correct 401 ms 10744 KB Output is correct
31 Correct 536 ms 10780 KB Output is correct
32 Correct 545 ms 10744 KB Output is correct
33 Correct 378 ms 9720 KB Output is correct
34 Correct 452 ms 9692 KB Output is correct
35 Correct 494 ms 10360 KB Output is correct
36 Correct 274 ms 8696 KB Output is correct
37 Correct 369 ms 10684 KB Output is correct
38 Correct 359 ms 8696 KB Output is correct
39 Correct 443 ms 9848 KB Output is correct
40 Correct 440 ms 9852 KB Output is correct
41 Incorrect 726 ms 17908 KB Output isn't correct
42 Halted 0 ms 0 KB -