Submission #1249530

#	Time	Username	Problem	Language	Result	Execution time	Memory
1249530		tfgs	Souvenirs (IOI25_souvenirs)	C++17	18 / 100	0 ms	412 KiB

souvenirs

#include "souvenirs.h"

#ifdef LOCAL
#include "algo/debug.h"
#else
template <typename... Args>
void dummy(Args&&... args){}
#define ps dummy
#endif

#include <bits/stdc++.h>
using namespace std;

#define int int64_t
const int inf=1e18;

#define fi first
#define se second
template<class T> using V = vector<T>; 
using vi = V<int>;
using vb = V<bool>;
using vs = V<string>;

#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x) 
#define len(x) (int)((x).size())
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pb push_back
#define eb emplace_back
#define pf push_front
#define lb lower_bound
#define ub upper_bound
#define ai2 array<int,2>
#define ai3 array<int,3>
#define ai4 array<int,4>
#define ai5 array<int,5>
template<class T> int lwb(const V<T>& a, const T& b) { return lb(all(a),b)-begin(a); }
template<class T> int upb(const V<T>& a, const T& b) { return ub(all(a),b)-begin(a); }
template<class T> bool ckmin(T& a, const T& b) { return a > b ? a=b, true : false; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a=b, true : false; }
#define pct __builtin_popcountll
#define ctz __builtin_ctzll
#define clz __builtin_clzll
constexpr int p2(int x) { return (int)1 << x; }
constexpr int msk2(int x) { return (int)(1 << x) - 1; }
constexpr int bits(int x) { return x == 0 ? 0 : 63-clz(x); } // floor(log2(x)) 
template<class T>void UNIQUE(V<T>& v) { sort(all(v)); v.erase(unique(all(v)),end(v)); }
template<class T, class Cmp>void UNIQUE(V<T>& v, Cmp cmp) { sort(all(v), cmp); v.erase(unique(all(v)),end(v)); }
template<class T,class U>void erase(T& t, const U& u) { auto it = t.find(u); assert(it != end(t)); t.erase(it); }
template<class F> struct y_combinator_result {
    F f;
    template<class T> explicit y_combinator_result(T &&f): f(std::forward<T>(f)) {}
    template<class ...Args> decltype(auto) operator()(Args &&...args) { return f(std::ref(*this), std::forward<Args>(args)...); }
};
template<class Fun> decltype(auto) yy(Fun &&fun) { return y_combinator_result<std::decay_t<Fun>>(std::forward<Fun>(fun)); }
template<class T> using pqg = priority_queue<T,vector<T>,greater<T>>;

void buy_souvenirs(int32_t n, long long p_0) {
    auto [ss, r] = transaction(p_0 - 1);
    if (len(ss) == 1) {
        auto p_1 = p_0 - 1 - r;
        transaction(p_1 - 1);
        transaction(p_1 - 1);
    } else {
        auto p_1_plus_p_2 = p_0 - 1 - r;
        transaction(p_1_plus_p_2 / 2);
    }
}

• Subtask 0: 0 / 0
• Subtask 1: 0 / 4
• Subtask 2: 0 / 3
• Subtask 3: 0 / 14
• Subtask 4: 18 / 18
• Subtask 5: 0 / 28
• Subtask 6: 0 / 33