Submission #1019837

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1019837	2024-07-11T09:34:49 Z	NValchanov	Gondola (IOI14_gondola)	C++17	60 / 100	33 ms	5436 KB

gondola

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

#define endl '\n'

using namespace std;

typedef long long ll;

const int MOD = 1e9 + 7;

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;
}

int binpow(int a, int b)
{
    int 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 < int > broken;

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

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

    int last = n;
    int ans = 1;
    int sz = broken.size();

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

    if(sz == n)
        ans = ans * sz % MOD;

    return ans;
}

Subtask #1
5.0 / 5.0

#	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	1 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	1 ms	348 KB	Output is correct
3	Correct	1 ms	344 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	2620 KB	Output is correct
7	Correct	8 ms	604 KB	Output is correct
8	Correct	19 ms	4568 KB	Output is correct
9	Correct	6 ms	1628 KB	Output is correct
10	Correct	26 ms	5132 KB	Output is correct

Subtask #3
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	10 ms	2652 KB	Output is correct
7	Correct	6 ms	604 KB	Output is correct
8	Correct	19 ms	4568 KB	Output is correct
9	Correct	10 ms	1628 KB	Output is correct
10	Correct	24 ms	5124 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	13 ms	2500 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	33 ms	5436 KB	Output is correct

Subtask #4
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	1 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	1 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	428 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	484 KB	Output is correct

Subtask #6
20.0 / 20.0

#	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	0 ms	348 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	6 ms	1396 KB	Output is correct
12	Correct	7 ms	1280 KB	Output is correct
13	Correct	10 ms	1372 KB	Output is correct
14	Correct	7 ms	1236 KB	Output is correct
15	Correct	14 ms	2320 KB	Output is correct

Subtask #7
5.0 / 5.0

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

Subtask #8
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	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Incorrect	0 ms	348 KB	Integer -130349317 violates the range [0, 1000000008]
8	Halted	0 ms	0 KB	-

Subtask #9
0 / 15.0

#	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	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
6	Correct	0 ms	348 KB	Output is correct
7	Incorrect	0 ms	348 KB	Integer -130349317 violates the range [0, 1000000008]
8	Halted	0 ms	0 KB	-

Subtask #10
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 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	Incorrect	0 ms	348 KB	Integer -130349317 violates the range [0, 1000000008]
8	Halted	0 ms	0 KB	-

Submission #1019837

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