算法竞赛初始化模板

模板代码

#include <bits/stdc++.h>
#define debug(a) cout<<#a<<"="<<a<<"\n"
#define EPS 1e-8
#define IOS ios::sync_with_stdio(0),cin.tie(0)
#define all(v) v.begin(),v.end()
using namespace std;
using i64 = long long;
using ull = unsigned long long;
using pi = pair<int,int>;
using pl = pair<long long,long long>;
static constexpr int ALPHABET_SIZE = 26;
static constexpr int N = 1000000 + 5;
static constexpr int MOD = 998244353;
void solve() {
    int n;
}

int main()
{
    IOS;
    int t = 1;
    // cin >> t;
    while(t--) {
        solve();
    }
    return 0;     
}