Submission #57780

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
57780	2018-07-16 05:48:20	gnoor	Linear Garden (IOI08_linear_garden)	C++17	100 / 100	156 ms	36340 KiB

linear_garden

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#include <cstdio>
#include <algorithm>
using namespace std;
int dp[1000100][3][3];
int main () {
  int n,m;
  scanf("%d%d",&n,&m);
  dp[0][0][0]=1;
  dp[0][1][1]=1;
  dp[0][2][2]=1;
  for (int i=1;i<n;i++) {
    for (int j=0;j<3;j++) {
      dp[i][j][0]=dp[i-1][j][1];
      dp[i][j][1]=dp[i-1][j][0]+dp[i-1][j][2];
      dp[i][j][1]%=m;
      dp[i][j][2]=dp[i-1][j][1];
    }
  }
  for (int i=0;i<n;i++) {
    for (int j=0;j<3;j++) {
      dp[i][j][0]+=dp[i][j][1]+dp[i][j][2];
      dp[i][j][0]%=m; 
    }
  }
  char x;
  int mn=0;
  int mx=0;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

linear_garden.cpp: In function 'int main()':
linear_garden.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~
linear_garden.cpp:35:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %c",&x);
   ~~~~~^~~~~~~~~~

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