Submission #8929

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
8929	2014-09-26 08:25:15	ekzm0204	Phibonacci (kriii2_P)	C++98	4 / 4	0 ms	1088 KiB

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#include <stdio.h>
#include <algorithm>
#include <vector>
using namespace std;
#define pr pair
#define mp make_pair
typedef long long LL;
const LL MOD = 1000000007ll;
class MAT2x2 {
public:
  LL dat[2][2];
};
MAT2x2 mult(MAT2x2 a, MAT2x2 b) {
  MAT2x2 r;
  for (int i=0;i<2;i++) for (int j=0;j<2;j++) r.dat[i][j] = 0;
  for (int i=0;i<2;i++) {
    for (int j=0;j<2;j++) {
      for (int k=0;k<2;k++) {
        r.dat[i][j] = (r.dat[i][j] + a.dat[i][k] * b.dat[k][j]) % MOD;
      }
    }
  }
  return r;
}
MAT2x2 A, I;
void init() {
  A.dat[0][0] = 1;
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 3 / 3