Submission #1251795

#	Time	Username	Problem	Language	Result	Execution time	Memory
1251795		tranvinhhuy2010	Souvenirs (IOI25_souvenirs)	C++20	Compilation error	0 ms	0 KiB

souvenirs

#include "souvenirs.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n, known, cnt[105] = {};
ll p[105] = {};

int adu_build(ll money) {
    auto [v, remain] = transaction(money);
    ll sum = money - remain;

    for (int i : v)
        cnt[i]++;

    while (v[0]<known) {
        while (known[v.back()]) {
            sum -= p[v.back()];
            v.pop_back();
        }

        if (v[0]+1==known) break;
        adu_build((sum-1)/v.size());
    }

    p[v[0]] = sum;
    return v[0];
}

void adu_complete() {
    for (int i=1; i<n; i++) {
        while (cnt[i]<i) {
            transaction(p[i]);
            cnt[i]++;
        }
    }
}

void buy_souvenirs(int N, ll P0) {
    n = known = N;
    p[0] = P0;
    adu_build(P0-1);
    adu_complete();
}

Compilation message (stderr)

souvenirs.cpp: In function 'int adu_build(ll)':
souvenirs.cpp:19:21: error: invalid types 'int[__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}]' for array subscript
   19 |         while (known[v.back()]) {
      |                     ^