Submission #62289

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
62289	2018-07-28 02:54:13	kriii	Cats or Dogs (JOI18_catdog)	C++17	100 / 100	544 ms	89044 KiB

catdog

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#include "catdog.h"
#include <algorithm>
using namespace std;
int N;
vector<int> G[100100]; int P[100100];
const int inf = 1000000000;
struct mat{
  mat(long long a, long long b)
  {
    if (a > inf) a = inf;
    if (b > inf) b = inf;
    A[0][0] = a; A[0][1] = a+1;
    A[1][0] = b+1; A[1][1] = b;
  }
  mat()
  {
    A[0][0] = 0; A[0][1] = 1;
    A[1][0] = 1; A[1][1] = 0;
  }
  int A[2][2];
  mat operator *(const mat &t) const{
    mat r(0,0);
    for (int i=0;i<2;i++) for (int j=0;j<2;j++){
      r.A[i][j] = inf;
      for (int k=0;k<2;k++){
        r.A[i][j] = min(r.A[i][j],A[i][k]+t.A[k][j]);
      }
 
 
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

catdog.cpp: In function 'void initialize(int, std::vector<int>, std::vector<int>)':
catdog.cpp:67:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0;i<A.size();i++){
               ~^~~~~~~~~
catdog.cpp:79:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j=1;j<G[i].size();j++){
                ~^~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 30 / 30
• Subtask 3: 62 / 62