oj.uz

Submission #57597

# Submission time Handle Problem Language Result Execution time Memory
57597 2018-07-15T11:54:34 Z vex Gondola (IOI14_gondola) C++14
100 / 100
 48 ms 4368 KB 
#include<bits/stdc++.h>
#include<gondola.h>
#define maxn 250005
#define MOD 1000000009
#define pii pair<int,int>
using namespace std;
 
 
int b[maxn];
int valid(int n, int a[])
{
    int minn=0;
    for(int i=1;i<n;i++)if(a[i]<a[minn])minn=i;
 
    for(int i=0;i<n;i++)b[i]=a[(i+minn)%n];
 
    sort(a,a+n);
    for(int i=0;i<n-1;i++)if(a[i]==a[i+1])return 0;
  	if(b[0]>n)return 1;
 
    int pre=0;
    for(int i=1;i<n;i++)
    {
        if(b[i]<=n)
        {
            if(b[i]-b[pre]!=i-pre)return 0;
            pre=i;
        }
    }
    return 1;
}
 
vector<pii>v;
int replacement(int n, int g[], int r[])
{
    if(!valid(n,g))return -1;
 
    int s=b[0];
    for(int i=0;i<n;i++)if(b[i]>n)
    {
        int br=(s+i)%n;if(br==0)br=n;
        v.push_back({b[i],br});
    }
    sort(v.begin(),v.end());
 
    int len=v.size();
    if(len==0)
    {
        return 0;
    }
 
  	int duz=0;
    for(int i=0;i<len;i++)
    {
        r[duz]=v[i].second;duz++;
        int pre=n;
        if(i!=0)pre=v[i-1].first;
 
        for(int j=pre+1;j<v[i].first;j++)
        {
          r[duz]=j;
          duz++;
        }
    }
  	return v[len-1].first-n;
}
 
long long ste(int x,int y)
{
    if(y==0)return 1;
    if(y%2==1)return (ste(x,y-1)*x)%MOD;
 
    long long res=ste(x,y/2);
    return (res*res)%MOD;
}
 
vector<int>br;
int countReplacement(int n, int a[])
{
    if(!valid(n,a))return 0;
 
    for(int i=0;i<n;i++)if(b[i]>n)br.push_back(b[i]);
    sort(br.begin(),br.end());
 
    long long sol=1;
    int len=br.size();
    for(int i=0;i<len;i++)
    {
        int pre=n;
        if(i!=0)pre=br[i-1];
        sol*=ste(len-i,br[i]-pre-1);
      	sol%=MOD;
    }
  	
  	if(len==n)
    {
        sol*=n;
        sol%=MOD;
    }
  
    return sol;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 544 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 544 KB Output is correct
2 Correct 2 ms 544 KB Output is correct
3 Correct 3 ms 544 KB Output is correct
4 Correct 3 ms 544 KB Output is correct
5 Correct 3 ms 544 KB Output is correct
6 Correct 16 ms 800 KB Output is correct
7 Correct 29 ms 1276 KB Output is correct
8 Correct 18 ms 1276 KB Output is correct
9 Correct 7 ms 1276 KB Output is correct
10 Correct 34 ms 1276 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1276 KB Output is correct
2 Correct 3 ms 1276 KB Output is correct
3 Correct 1 ms 1276 KB Output is correct
4 Correct 2 ms 1276 KB Output is correct
5 Correct 2 ms 1276 KB Output is correct
6 Correct 12 ms 1276 KB Output is correct
7 Correct 27 ms 1276 KB Output is correct
8 Correct 22 ms 1276 KB Output is correct
9 Correct 11 ms 1276 KB Output is correct
10 Correct 27 ms 1276 KB Output is correct
11 Correct 2 ms 1276 KB Output is correct
12 Correct 2 ms 1276 KB Output is correct
13 Correct 17 ms 1276 KB Output is correct
14 Correct 3 ms 1276 KB Output is correct
15 Correct 36 ms 1276 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1276 KB Output is correct
2 Correct 3 ms 1276 KB Output is correct
3 Correct 3 ms 1276 KB Output is correct
4 Correct 1 ms 1276 KB Output is correct
5 Correct 2 ms 1276 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1276 KB Output is correct
2 Correct 3 ms 1276 KB Output is correct
3 Correct 4 ms 1276 KB Output is correct
4 Correct 3 ms 1276 KB Output is correct
5 Correct 2 ms 1276 KB Output is correct
6 Correct 2 ms 1276 KB Output is correct
7 Correct 3 ms 1276 KB Output is correct
8 Correct 3 ms 1276 KB Output is correct
9 Correct 3 ms 1276 KB Output is correct
10 Correct 3 ms 1276 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1276 KB Output is correct
2 Correct 2 ms 1276 KB Output is correct
3 Correct 3 ms 1276 KB Output is correct
4 Correct 2 ms 1276 KB Output is correct
5 Correct 2 ms 1276 KB Output is correct
6 Correct 2 ms 1276 KB Output is correct
7 Correct 3 ms 1276 KB Output is correct
8 Correct 3 ms 1276 KB Output is correct
9 Correct 3 ms 1276 KB Output is correct
10 Correct 3 ms 1276 KB Output is correct
11 Correct 18 ms 1276 KB Output is correct
12 Correct 20 ms 1308 KB Output is correct
13 Correct 24 ms 1944 KB Output is correct
14 Correct 15 ms 1944 KB Output is correct
15 Correct 41 ms 2724 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2724 KB Output is correct
2 Correct 2 ms 2724 KB Output is correct
3 Correct 2 ms 2724 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2724 KB Output is correct
2 Correct 2 ms 2724 KB Output is correct
3 Correct 2 ms 2724 KB Output is correct
4 Correct 2 ms 2724 KB Output is correct
5 Correct 2 ms 2724 KB Output is correct
6 Correct 3 ms 2724 KB Output is correct
7 Correct 3 ms 2724 KB Output is correct
8 Correct 2 ms 2724 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2724 KB Output is correct
2 Correct 2 ms 2724 KB Output is correct
3 Correct 4 ms 2724 KB Output is correct
4 Correct 3 ms 2724 KB Output is correct
5 Correct 3 ms 2724 KB Output is correct
6 Correct 2 ms 2724 KB Output is correct
7 Correct 3 ms 2724 KB Output is correct
8 Correct 2 ms 2724 KB Output is correct
9 Correct 27 ms 2724 KB Output is correct
10 Correct 28 ms 2724 KB Output is correct
11 Correct 11 ms 2724 KB Output is correct
12 Correct 15 ms 2724 KB Output is correct
13 Correct 5 ms 2724 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2724 KB Output is correct
2 Correct 3 ms 2724 KB Output is correct
3 Correct 6 ms 2724 KB Output is correct
4 Correct 3 ms 2724 KB Output is correct
5 Correct 4 ms 2724 KB Output is correct
6 Correct 3 ms 2724 KB Output is correct
7 Correct 3 ms 2724 KB Output is correct
8 Correct 2 ms 2724 KB Output is correct
9 Correct 27 ms 2724 KB Output is correct
10 Correct 23 ms 2724 KB Output is correct
11 Correct 13 ms 2724 KB Output is correct
12 Correct 14 ms 2724 KB Output is correct
13 Correct 5 ms 2724 KB Output is correct
14 Correct 43 ms 2764 KB Output is correct
15 Correct 48 ms 3820 KB Output is correct
16 Correct 10 ms 3820 KB Output is correct
17 Correct 36 ms 4188 KB Output is correct
18 Correct 18 ms 4368 KB Output is correct