Submission #20046

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
20046	2016-02-25 08:51:44	xdoju	로봇 (kriii4_F)	C++14	0 / 100	1000 ms	1720 KiB

F

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#include <iostream>
#include <cstdio>
using namespace std;
typedef long long ll;
const int MOD = 1000000007ll;
inline int modpow(int r, int n) {
  int ret = 1;
  while (n > 0) {
    if (n % 2 > 0) {
      ret = ((long long)ret * r) % MOD;
    }
    r = ((long long)r * r) % MOD;
    n /= 2;
  }
  return ret;
}
inline int modinv(int n) {
  return modpow(n, MOD - 2);
}
inline int modprod(int a, int b) {
  a = a % MOD;
  b = b % MOD;
  return ((long long)a * b) % MOD;
}
 
 
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• Subtask 1: 0 / 4
• Subtask 2: 0 / 96