Submission #762122

#	Time	Username	Problem	Language	Result	Execution time	Memory
762122		Nelt	Distributing Candies (IOI21_candies)	C++17	8 / 100	79 ms	12884 KiB

candies

#include "candies.h"

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,avx2,fma")

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

/* DEFINES */
#define S second
#define F first
#define ll long long
#define ull unsigned long long
#define ld long double
#define npos ULLONG_MAX
#define INF LLONG_MAX
#define vv(a) vector<a>
#define pp(a, b) pair<a, b>
#define pq(a) priority_queue<a>
#define qq(a) queue<a>
#define ss(a) set<a>
#define mm(a, b) map<a, b>
#define ump(a, b) unordered_map<a, b>
#define ANDROID                   \
    ios_base::sync_with_stdio(0); \
    cin.tie(0);                   \
    cout.tie(0);
#define elif else if
#define endl "\n"
#define allc(a) begin(a), end(a)
#define all(a) a, a + sizeof(a) / sizeof(a[0])
#define pb push_back
#define logi(a) __lg(a)
#define sqrt(a) sqrtl(a)
#define mpr make_pair
#define ins insert
using namespace std;
using namespace __gnu_pbds;
using namespace __cxx11;
typedef char chr;
typedef basic_string<chr> str;
template <typename T, typename key = less<T>>
using ordered_set = tree<T, null_type, key, rb_tree_tag, tree_order_statistics_node_update>;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

std::vector<int> distribute_candies(std::vector<int> c, std::vector<int> l,
                                    std::vector<int> r, std::vector<int> v)
{
    ll n = c.size(), q = l.size();
    std::vector<ll> ans(n, 0);
    for (ll i = 0; i < q; i++)
    {
        ans[l[i]] += v[i];
        if (r[i] + 1 < n) ans[r[i] + 1] -= v[i];
    }
    for (ll i = 1; i < n; i++)
        ans[i] += ans[i - 1];
    for (ll i = 0; i < n; i++)
        ans[i] = min(ans[i], (ll)c[i]);
    vv(int) a(n);
    for (ll i = 0; i < n; i++)
        a[i] = ans[i];
    return a;
}

• Subtask 1: 0 / 3
• Subtask 2: 8 / 8
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 33