ACM比赛前打的板子

#include
using namespace std;

#define endl '\n'
using ll = long long;

const int N=1e5+5;

const int M=1e9+7;
int a[N],b[N];

bool cmp(int a,int b)
{
return a>b;
}

int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);cout.tie(0);

return 0;
}