Submission #25,412

2026-02-19 21:47:23

cpp17

Wrong answer 10/50

6ms

960 KiB

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int, int>
#define F first
#define S second
#define pb push_back
#define srt(x) x.begin(),x.end()
const int INF = 1e9 + 7;

signed main(){
    ios::sync_with_stdio(false);cin.tie(nullptr);
    int n, m, k; cin >> n >> m >> k;
    vector<pii>a(m);
    for(int i = 0; i < m; i++)
    {
        cin >> a[i].F;
        a[i].S = i+1;
    }
    sort(srt(a));
    int d = 1;
    int i = 0;
    bool t = 1;
    vector<pii>ans;
    while(t)
    {
        for(int j = i; j < min(i+k, m); j++)
        {
            if(a[j].F >= d) ans.pb({a[j].S, d});
            else t = 0;
        }
        i += k;
        if(i >= m) t = 0;
        d++;
    }
    cout << ans.size() << "\n";
    for(auto[x, y] : ans) cout << x << " " << y << "\n";
}

	Sum	Test	Verdict	Time	Memory
subtask1	0/0
		1	Accepted	1ms	316 KiB
		2	Accepted	4ms	948 KiB
subtask2	0/5
		3	Accepted	1ms	316 KiB
		4	Wrong answer	1ms	316 KiB
		5	Accepted	1ms	316 KiB
		6	Accepted	1ms	316 KiB
		7	Accepted	1ms	316 KiB
subtask3	5/5
		8	Accepted	1ms	508 KiB
		9	Accepted	1ms	508 KiB
		10	Accepted	1ms	316 KiB
		11	Accepted	2ms	316 KiB
		12	Accepted	1ms	500 KiB
subtask4	5/5
		13	Accepted	1ms	316 KiB
		14	Accepted	3ms	820 KiB
		15	Accepted	2ms	564 KiB
		16	Accepted	3ms	564 KiB
		17	Accepted	2ms	500 KiB
subtask5	0/10
		18	Accepted	1ms	500 KiB
		19	Wrong answer	1ms	316 KiB
		20	Wrong answer	2ms	316 KiB
		21	Accepted	2ms	316 KiB
		22	Accepted	1ms	316 KiB
		23	Wrong answer	1ms	412 KiB
		24	Wrong answer	1ms	368 KiB
		25	Wrong answer	3ms	536 KiB
		26	Wrong answer	3ms	564 KiB
		27	Wrong answer	3ms	564 KiB
subtask6	0/25
		28	Wrong answer	1ms	512 KiB
		29	Accepted	1ms	316 KiB
		30	Accepted	1ms	508 KiB
		31	Accepted	3ms	568 KiB
		32	Accepted	4ms	948 KiB
		33	Accepted	3ms	564 KiB
		34	Accepted	4ms	948 KiB
		35	Accepted	4ms	948 KiB
		36	Accepted	6ms	948 KiB
		37	Accepted	4ms	944 KiB
		38	Accepted	3ms	564 KiB
		39	Accepted	2ms	332 KiB
		40	Accepted	2ms	316 KiB
		41	Accepted	4ms	820 KiB
		42	Accepted	1ms	396 KiB
		43	Accepted	4ms	564 KiB
		44	Accepted	4ms	892 KiB
		45	Accepted	2ms	316 KiB
		46	Accepted	2ms	568 KiB
		47	Accepted	3ms	572 KiB
		48	Accepted	4ms	932 KiB
		49	Accepted	4ms	940 KiB
		50	Accepted	4ms	916 KiB
		51	Accepted	4ms	948 KiB
		52	Accepted	4ms	960 KiB