Submission #1277786

#	Time	Username	Problem	Language	Result	Execution time	Memory
1277786		nguyenhuuhongquan	Souvenirs (IOI25_souvenirs)	C++20	4 / 100	1 ms	400 KiB

souvenirs

#include <bits/stdc++.h>
#include "souvenirs.h"
using namespace std;
#define double long double
#define ull unsigned long long
#define BIG __int128
#define fi first
#define se second
#define MASK(i) (1ll << i)
#define BIT(x, i) (((x) >> (i)) & 1)
#define sz(x) (int)(x).size()
#define debug cout << "NO ERROR", exit(0);
#define TASK "txt"
#define IOS ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
const int MOD = 1e9 + 7;
const long long INF = 1000000000000000000ll;
const int LimN = 100 + 5;
void maximize(int &x, int y){
    x = max(x, y);
}
void minimize(int &x, int y){
    x = min(x, y);
}
void add(int &x, int y){
    x = (x % MOD + y % MOD) % MOD;
}
long long cnt[LimN], p[LimN], pw[65];
void buy_souvenirs(int n, long long P0){
    pw[0] = 1;
    for (int i = 1; i < 63; i ++) pw[i] = pw[i - 1] * 2;
    p[0] = P0;
    for (int i = n - 1; i > 0; i --){
        auto [v, r] = transaction((P0 - 1) / pw[i - 1]);
        int cost = (P0 - 1) / pw[i - 1] - r;
        for (auto x : v){
            cnt[x] ++;
            if (x != i) cost -= p[x];
        }
        p[i] = cost;
    }
    // for (int i = 1; i < n; i ++) cout << cnt[i] << " ";
    // cout << "\n";
    // for (int i = 0; i < n; i ++) cout << p[i] << " ";
    // cout << "\n";
    for (int i = 1; i < n; i ++){
        for (int j = cnt[i] + 1; j <= i; j ++) transaction(p[i]);
    }
    
}

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