제출 #898425

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
898425	2024-01-04 16:13:45	LCJLY	Fancy Fence (CEOI20_fancyfence)	C++14	100 / 100	27 ms	6104 KiB

fancyfence

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#include <bits/stdc++.h>
using namespace std;
 
#define int long long
#define ld long double
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << "  " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << "  " << j << " " << #i << "  " << q << " " << #p << endl; 
#define show4(x,y) for(auto it:x) cout << it << " "; cout << #y << endl;
typedef pair<int,int>pii;
typedef pair<pii,pii>pi2;
int mod=1e9+7;
int f(int a, int b){
  a%=mod;
  b%=mod;
  return (a*b)%mod;
}
int calc(int n){
  int hold=f(f(n,n+1),500000004);
  return hold;
}
int len(int a, int b){
  return b-a;
}
void solve(){ 
  int n;
 
 
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