Submission #70031

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
70031	2018-08-22 09:32:59	yogahmad	Asceticism (JOI18_asceticism)	C++14	100 / 100	29 ms	2328 KiB

asceticism

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define fbo find_by_order
#define ook order_of_key
#define f first
#define s second
#define pb push_back
#define reset(a,b) memset(a,b,sizeof a);
#define MOD 1000000007
#define MID (l+r)/2
#define ALL(x) x.begin(),x.end()
#define debug(x) cout<<#x<<" = "<<(x)<<endl
#define mx 100003
#define pc(x) putchar_unlocked(x);
typedef tree<long long, null_type, less<long long>, rb_tree_tag, tree_order_statistics_node_update> pbds;
long long fak[mx],inv[mx],n,k;
long long C(int n,int k){
  long long ret=fak[n]*inv[k]%MOD;
  ret=ret*inv[n-k]%MOD;
  return ret;
}
long long pow_(long long a,int b){
  if(b==0)return 1;
  long long sem=pow_(a,b/2);
 
 
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Compilation message (stderr)

asceticism.cpp: In function 'int main()':
asceticism.cpp:37:15: warning: operation on 'inv[1]' may be undefined [-Wsequence-point]
  fak[1]=inv[1]=inv[0]=inv[1]=1;
         ~~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 20 / 20
• Subtask 3: 25 / 25
• Subtask 4: 51 / 51