Submission #270513

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
270513	2020-08-17 17:05:07	eohomegrownapps	Lucky Numbers (RMI19_lucky)	C++14	46 / 100	214 ms	58744 KiB

lucky

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<vector<ll>> Data;
int arr[100000];
ll m = 1000000007;
Data init(int ind){
  Data ans = vector<vector<ll>>(4,vector<ll>(4,0));
  for (int x = 0; x<4; x++){
    bool isEq = x/2;
    bool was1 = x%2;
    for (int i = 0; i<=(isEq?arr[ind]:9); i++){
      if (was1 && i==3){continue;}
      ans[x][(i==arr[ind]&&isEq)*2+(i==1)]++;
    }
  }
  return ans;
}
Data combine(const Data &a, const Data &b){
  Data ans = vector<vector<ll>>(4,vector<ll>(4,0));
  for (int r = 0; r<4; r++){
    for (int c = 0; c<4; c++){
      ans[r][c]+=a[r][0]*b[0][c];ans[r][c]%=m;
      ans[r][c]+=a[r][1]*b[1][c];ans[r][c]%=m;
      ans[r][c]+=a[r][2]*b[2][c];ans[r][c]%=m;
      ans[r][c]+=a[r][3]*b[3][c];ans[r][c]%=m;
    }
 
 
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• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 9 / 9
• Subtask 4: 0 / 27
• Subtask 5: 9 / 9
• Subtask 6: 0 / 27