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Submission #563234

# Submission time Handle Problem Language Result Execution time Memory
563234 2022-05-16T14:36:55 Z shahriarkhan Gondola (IOI14_gondola) C++14
100 / 100
 61 ms 6716 KB 
#include "gondola.h"
#include<bits/stdc++.h>
using namespace std ;
 
const long long mod = 1e9 + 9 ;
 
long long power(long long a , long long p)
{
    long long ret = 1 ;
    while(p)
    {
        if(p&1) ret = (ret*a)%mod ;
        a = (a*a)%mod ;
        p >>= 1 ;
    }
    return ret ;
}
 
int valid(int n, int inputSeq[])
{
    int idx = -1 , cur = 0 ;
    map<int,int> vis ;
    for(int i = 0 ; i < n ; ++i)
    {
        if(vis.find(inputSeq[i])!=vis.end()) return 0 ;
        vis[inputSeq[i]] = 1 ;
    }
    for(int i = 0 ; i < n ; ++i)
    {
        if(inputSeq[i]<=n)
        {
            idx = i ;
            cur = inputSeq[i] - 1 ;
            break ;
        }
    }
    if(idx<0) return 1 ;
    for(int i = idx ; i < n ; ++i)
    {
        if((inputSeq[i]<=n) && (inputSeq[i]!=(cur+1))) return 0 ;
        cur = (cur+1)%n ;
    }
    return 1 ;
}
 
 
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
    vector<pair<int,int> > v ;
    vector<int> ans ;
    int cur = 0 , idx = 0 ;
    for(int i = 0 ; i < n ; ++i)
    {
        if(gondolaSeq[i]<=n)
        {
            idx = i ;
            cur = gondolaSeq[i] - 1 ;
            break ;
        }
    }
    for(int i = idx ; i < n ; ++i)
    {
        if(gondolaSeq[i]>n)
        {
            v.push_back({gondolaSeq[i],cur+1}) ;
        }
        cur = (cur+1)%n ;
    }
    for(int i = 0 ; i < idx ; ++i)
    {
        if(gondolaSeq[i]>n)
        {
            v.push_back({gondolaSeq[i],cur+1}) ;
        }
        cur = (cur+1)%n ;
    }
    sort(v.begin(),v.end()) ;
    cur = n ;
    for(pair<int,int> p : v)
    {
        ans.push_back(p.second) , ++cur ;
        while(cur<p.first)
        {
            ans.push_back(cur) ;
            ++cur ;
        }
    }
    int siz = ans.size() ;
    for(int i = 0 ; i < siz ; ++i)
    {
        replacementSeq[i] = ans[i] ;
    }
    return siz ;
}
 
int countReplacement(int n, int inputSeq[])
{
    long long ans = 1 , mul = n ;
    if(!valid(n,inputSeq)) return 0 ;
    long long a[n+2] = {0} , siz = 0 ;
    for(int i = 0 ; i < n ; ++i)
    {
        if(inputSeq[i]<=n)
        {
            mul = 1 ;
            continue ;
        }
        a[++siz] = inputSeq[i] ;
    }
    sort(a+1,a+siz+1) ;
    a[0] = n ;
    for(int i = 1 ; i <= siz ; ++i)
    {
        long long cur = power(siz-i+1,a[i]-a[i-1]-1) ;
        ans = (ans*cur)%mod ;
    }
    return (ans*mul)%mod ;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 13 ms 2132 KB Output is correct
7 Correct 9 ms 568 KB Output is correct
8 Correct 25 ms 3848 KB Output is correct
9 Correct 7 ms 1364 KB Output is correct
10 Correct 33 ms 4556 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 12 ms 2132 KB Output is correct
7 Correct 8 ms 636 KB Output is correct
8 Correct 24 ms 3924 KB Output is correct
9 Correct 9 ms 1340 KB Output is correct
10 Correct 31 ms 4428 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 22 ms 2036 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 48 ms 4596 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 228 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 7 ms 596 KB Output is correct
12 Correct 8 ms 596 KB Output is correct
13 Correct 14 ms 1360 KB Output is correct
14 Correct 10 ms 596 KB Output is correct
15 Correct 20 ms 2256 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 40 ms 4992 KB Output is correct
10 Correct 32 ms 4252 KB Output is correct
11 Correct 13 ms 1712 KB Output is correct
12 Correct 14 ms 2016 KB Output is correct
13 Correct 3 ms 724 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 43 ms 4976 KB Output is correct
10 Correct 33 ms 4132 KB Output is correct
11 Correct 12 ms 1768 KB Output is correct
12 Correct 15 ms 1964 KB Output is correct
13 Correct 3 ms 624 KB Output is correct
14 Correct 50 ms 6000 KB Output is correct
15 Correct 61 ms 6716 KB Output is correct
16 Correct 11 ms 1508 KB Output is correct
17 Correct 52 ms 4628 KB Output is correct
18 Correct 21 ms 2644 KB Output is correct