C++ competitive programming template

template.cc

#include <bits/stdc++.h>
using namespace std;
#define s32 int32_t
#define s64 int64_t
#define u32 uint32_t
#define u64 uint64_t
#define f32 float
#define f64 double

#define vi vector<s32>
#define vpii vector<pair<s32, s32>>

#define mean(a, b) min(a, b) + (abs(b - a) / 2)
#define FASTIO()    \
  cin.tie(nullptr); \
  ios::sync_with_stdio(false);

template <typename T, typename U>
inline void amin(T &x, U y) {
  if (y < x) x = y;
}
template <typename T, typename U>
inline void amax(T &x, U y) {
  if (x < y) x = y;
}

int main() { FASTIO(); }