Submission #1220060

#	Time	Username	Problem	Language	Result	Execution time	Memory
1220060		12345678	JOIRIS (JOI16_joiris)	C++20	15 / 100	1 ms	328 KiB

joiris

#include <bits/stdc++.h>

using namespace std;

const int nx=51;

int n, k, a[nx], mx, h[nx], sm;
vector<pair<int, int>> res;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>k;
    for (int i=1; i<=n; i++) cin>>a[i], mx=max(mx, a[i]), sm+=a[i];
    for (int i=1; i<=n; i++) while (a[i]<mx) res.push_back({1, i}), a[i]+=2;
    for (int i=1; i<=n; i++) h[i]=a[i]>mx;
    for (int i=1; i<n; i++) if (!h[i]&&!h[i+1]) h[i]++, h[i+1]++, res.push_back({2, i});
    for (int i=1; i<=n; i+=2)
    {
        if (!h[i])
        {
            res.push_back({1, i});
            for (int j=1; j<i; j+=2) res.push_back({2, j});
            for (int j=i+1; j<=n; j+=2) res.push_back({2, j});
            h[i]=1;
        }
    }
    for (int i=1; i<=n; i++)
    {
        if (h[i]) h[i]=0;
        else h[i]=1, res.push_back({1, i});
    }
    for (int i=1; i<n; i++) if (!h[i]&&!h[i+1]) h[i]++, h[i+1]++, res.push_back({2, i});
    for (int i=1; i<=n; i+=2)
    {
        if (!h[i])
        {
            res.push_back({1, i});
            for (int j=1; j<i; j+=2) res.push_back({2, j});
            for (int j=i+1; j<=n; j+=2) res.push_back({2, j});
            h[i]=1;
        }
    }
    cout<<res.size()<<'\n';
    for (auto [x, y]:res) cout<<x<<' '<<y<<'\n';
}

/*
6 1
0 0 0 2 2 0

8 2
0 1 0 1 0 1 0 1
*/

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