제출 #160128

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
160128	2019-10-26 05:56:34	GioChkhaidze	Snake Escaping (JOI18_snake_escaping)	C++14	22 / 100	470 ms	49656 KiB

snake_escaping

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#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];
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

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 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 0 / 53
• Subtask 5: 0 / 25