Submission #1019849

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1019849	2024-07-11T09:48:16 Z	NValchanov	Gondola (IOI14_gondola)	C++17	100 / 100	48 ms	6612 KB

gondola

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

#define endl '\n'

using namespace std;

typedef long long ll;

const int MOD = 1e9 + 9;

int valid(int n, int a[])
{
    set < int > cnt;

    int min_idx = 0;

    for(int i = 1; i < n; i++)
    {
        if(a[i] < a[min_idx])
            min_idx = i;

        if(cnt.count(a[i]))
            return 0;
        
        cnt.insert(a[i]);
    }

    vector < int > order;

    for(int i = min_idx; i < n; i++)
    {
        order.push_back(a[i]);
    }
    for(int i = 0; i < min_idx; i++)
    {
        order.push_back(a[i]);
    }

    for(int i = 1; i < n; i++)
    {
        if(order[i] <= n && order[i] - order[0] != i)
            return 0;
    }

    return 1;
}

int replacement(int n, int a[], int ans[])
{
    int min_idx = 0;
    int maxel = 0;

    for(int i = 0; i < n; i++)
    {
        if(a[i] < a[min_idx])
            min_idx = i;
        
        maxel = max(maxel, a[i]);
    }

    vector < int > order;

    for(int i = min_idx; i < n; i++)
    {
        order.push_back(a[i]);
    }
    for(int i = 0; i < min_idx; i++)
    {
        order.push_back(a[i]);
    }

    vector < pair < int, int > > broken;

    for(int i = 0; i < n; i++)
    {
        if(order[i] > n)
            broken.push_back({order[i], i});
    }

    sort(broken.begin(), broken.end());

    if(order.front() > n)
        order.front() = 1;

    for(int i = 1; i < n; i++)
    {
        if(order[i - 1] == n)
        {
            order[i] = 1;
        }
        else
        {
            order[i] = order[i - 1] + 1;
        }
    }

    int last = n;
    int pos = 0;

    for(pair < int, int > p : broken)
    {
        int val = p.first;
        int idx = p.second;

        while(last < val)
        {
            ans[pos++] = order[idx];
            order[idx] = ++last;
        }
    }

    return maxel - n;
}

ll binpow(ll a, ll b)
{
    ll result = 1;

    while(b)
    {
        if(b & 1)
            result = (result * a) % MOD;

        a = (a * a) % MOD;
        b /= 2;
    }

    return result;
}

int countReplacement(int n, int a[])
{
    if(!valid(n, a))
        return 0;

    vector < ll > broken;

    for(int i = 0; i < n; i++)
    {
        if(a[i] > n)
            broken.push_back(a[i]);
    }

    sort(broken.begin(), broken.end());

    int sz = broken.size();
    int last = n;
    ll ans;

    if(sz == n) ans = n;
    else ans = 1;

    for(int i = 0; i < sz; i++)
    {
        ans = ans * binpow(sz - i, broken[i] - last - 1) % MOD;
        last = broken[i];
    }

    return ans;
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	10 ms	2648 KB	Output is correct
7	Correct	6 ms	600 KB	Output is correct
8	Correct	19 ms	4492 KB	Output is correct
9	Correct	6 ms	1624 KB	Output is correct
10	Correct	25 ms	5268 KB	Output is correct

Subtask #3
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	11 ms	2648 KB	Output is correct
7	Correct	6 ms	604 KB	Output is correct
8	Correct	19 ms	4512 KB	Output is correct
9	Correct	6 ms	1628 KB	Output is correct
10	Correct	25 ms	5080 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	13 ms	2452 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	31 ms	5332 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct

Subtask #5
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	596 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	344 KB	Output is correct
11	Correct	6 ms	1240 KB	Output is correct
12	Correct	6 ms	1240 KB	Output is correct
13	Correct	9 ms	1256 KB	Output is correct
14	Correct	6 ms	1360 KB	Output is correct
15	Correct	13 ms	2180 KB	Output is correct

Subtask #7
5.0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	344 KB	Output is correct

Subtask #8
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct

Subtask #9
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	600 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	33 ms	5080 KB	Output is correct
10	Correct	24 ms	4176 KB	Output is correct
11	Correct	9 ms	1884 KB	Output is correct
12	Correct	11 ms	2248 KB	Output is correct
13	Correct	2 ms	860 KB	Output is correct

Subtask #10
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	34 ms	5068 KB	Output is correct
10	Correct	27 ms	4188 KB	Output is correct
11	Correct	9 ms	2136 KB	Output is correct
12	Correct	12 ms	2140 KB	Output is correct
13	Correct	3 ms	856 KB	Output is correct
14	Correct	40 ms	5940 KB	Output is correct
15	Correct	48 ms	6612 KB	Output is correct
16	Correct	7 ms	1628 KB	Output is correct
17	Correct	29 ms	4660 KB	Output is correct
18	Correct	15 ms	2908 KB	Output is correct

Submission #1019849

Compilation message