Submission #1256361

#	Time	Username	Problem	Language	Result	Execution time	Memory
1256361		Canuc80k	Souvenirs (IOI25_souvenirs)	C++20	21 / 100	12 ms	412 KiB

souvenirs

#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;

std::pair<std::vector<int>, long long> transaction(long long m);

void buy_souvenirs(int n, long long p) {
    bool have1 = 0;
    ll cnt1 = 0;

    ll val = p - 1;
    for (int i = 1; i <= n - 1; i ++) {
        if (i == n - 1 && have1) break;
        auto [v, r] = transaction(val);
        if (v.size() == 1) {
            if (r == 1) val --;
            for (int j = 1; j < i; j ++) auto [a, b] = transaction(val);
            val = val - 1;
        } else {
            have1 = 1; cnt1 ++;
            for (int j = 1; j < i; j ++) auto [a, b] = transaction(val - 1);
            val = val - 2;
        }
    }

    if (have1)
        for (int i = cnt1 + 1; i < n; i ++) auto [a, b] = transaction(1);
}

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