Submission #66976

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
66976	2018-08-13 05:17:38	ekrem	Snake Escaping (JOI18_snake_escaping)	C++98	22 / 100	1139 ms	42012 KiB

snake_escaping

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#include <bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
#define pb push_back
#define N 1600005
using namespace std;
int n, m, a[(1<<20)+10], dp[N], prec[N], cvp[1000005], kaps[3000][200];
char c;
pair < int , int > q[1000005];
int main() {
  // freopen("in.txt", "r", stdin);
  // freopen("out.txt", "w", stdout);
  for(int i = 0; i < 1594323; i++){
    int x = i, crp = 1, ckr = -1, say = 0, bit = 0;
    while(x){
      if(x%3 == 2){
        ckr = crp;
        break;
      }
      bit += (1<<say)*(x%3);
      say++;
      crp *= 3;
      x /= 3;
    }
    if(ckr == -1)
      prec[i] = -bit;
 
 
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Compilation message (stderr)

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:43:16: warning: unused variable 'say' [-Wunused-variable]
   int bit = 0, say = 0, son = 0, crp = 1;
                ^~~
snake_escaping.cpp:35:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n ,&m);
  ~~~~~^~~~~~~~~~~~~~~~
snake_escaping.cpp:38:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %c",&c);
   ~~~~~^~~~~~~~~~
snake_escaping.cpp:45:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf(" %c" ,&c);
    ~~~~~^~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 0 / 53
• Subtask 5: 0 / 25