Submission #1079344

#	Time	Username	Problem	Language	Result	Execution time	Memory
1079344		boris_mihov	JOIRIS (JOI16_joiris)	C++17	0 / 100	5 ms	532 KiB

joiris

#include <unordered_map>
#include <algorithm>
#include <iostream>
#include <numeric>
#include <cassert>
#include <vector>
#include <ctime>
#include <map>
 
typedef long long llong;
const int MAXN = 100000 + 10;
const int INF = 1e9;
 
int n, k;
int a[MAXN];
int cnt[MAXN];
std::vector <std::pair <char,short>> ops;
 
double begTime;
void solve()
{
    while ((clock() - begTime) / CLOCKS_PER_SEC < 0.98)
    {
        int min = INF, max = 0;
        for (int i = 1 ; i <= n ; ++i)
        {
            min = std::min(min, a[i]);
        }
 
        for (int i = 1 ; i <= n ; ++i)
        {
            a[i] -= min;
            max = std::max(max, a[i]);
        }
 
        if (max == 0 || ops.size() > 1e4)
        {
            break;
        }
 
        for (int i = n ; i >= 1 ; --i)
        {
            if (a[i] > 0)
            {
                cnt[i] = 0;
            } else
            {
                cnt[i] = 1 + cnt[i + 1];
            }
        }
 
        bool done = false;
        for (int i = 1 ; i <= n ; ++i)
        {
            if (cnt[i] >= k)
            {
                for (int j = i ; j < i + k ; ++j)
                {
                    a[j]++;
                }
 
                ops.push_back({2, i});
                done = true;
                break;
            }
        }
 
        if (done)
        {
            continue;
        }
 
        for (int i = 1 ; i <= n ; ++i)
        {
            if (a[i] == 0)
            {
                ops.push_back({1, i});
                a[i] += k;
            }
        }
    }
}
 
void input()
{
    std::cin >> n >> k;
    for (int i = 1 ; i <= n ; ++i)
    {
        std::cin >> a[i];
    }
}
 
void print()
{
    for (int i = 1 ; i <= n ; ++i)
    {
        if (a[i] > 0)
        {
            std::cout << -1 << '\n';
            return;
        }
    }
 
    std::cout << ops.size() << '\n';
    for (const auto &[x, y] : ops)
    {
        std::cout << (short)x << ' ' << y << '\n';
    }
}
 
void fastIOI()
{
    std::ios_base :: sync_with_stdio(0);
    std::cout.tie(nullptr);
    std::cin.tie(nullptr);
}
 
int main()
{
    begTime = clock();
    fastIOI();
    input();
    solve();
    print();
 
    return 0;
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 55