Submission #12720

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
12720	2015-01-02 05:32:07	ainu7	The last wizard (kriii2_T)	C++98	4 / 4	644 ms	1676 KiB

T

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#include <math.h>
#include <stdio.h>
#include <string.h>
#include <vector>
#include <string>
#include <queue>
#include <map>
#include <algorithm>
#include <cmath>
#include <iostream>
#include <sstream>
#include <set>
using namespace std;
const int mmod = 1000000007;
int pw(int a, long long b) {
  if (b == 0) return 1;
  int c = pw(a, b/2);
  c = (1LL * c * c) % mmod;
  if (b%2) c = (1LL * c * a) % mmod;
  return c;
}
int inv_mod(int a, int b) {
  if (a == 1) return b;
  int div = mmod / a + 1;
  return inv_mod((a * (long long)div) % mmod, (b * (long long)div) % mmod);
}
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 3 / 3