#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include "gondola.h"
using namespace std;
int mod=1e9+9;
long long power(long long x,long long y)
{
long long res=1;
while (y>0)
{
if (y%2)
res=(res*x)%mod;
x=(x*x)%mod;
y/=2;
}
return res;
}
int valid(int n, int inputSeq[])
{
vector<pair<int,int>>s={};
map<int,int>d;
for (int i=0;i<n;i++)
{
d[inputSeq[i]]++;
if (inputSeq[i]<=n)
s.push_back({inputSeq[i],i});
}
for (auto i:d)
{
if (i.second>1)
return 0;
}
for (int i=0;i+1<s.size();i++)
{
int z=s[i+1].second-s[i].second;
if (((s[i+1].first-z+n-1)%n)+1==s[i].first)
continue;
return 0;
}
return 1;
}
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
int z=0;
map<int,int>d;
for (int i=0;i<n;i++)
{
d[gondolaSeq[i]]++;
z=max(z,gondolaSeq[i]);
}
vector<int>f;
for (int i=n+1;i<z;i++)
{
if (d.find(i)==d.end())
f.push_back(i);
else
if (d[i]>1)
return 0;
}
int ind=0,val=1;
for (int i=0;i<n;i++)
{
if (gondolaSeq[i]<=n)
{
ind=i;
val=gondolaSeq[i];
}
}
int req=(ind+n+1-val)%n;
vector<pair<int,int>>w;
for (int i=0;i<n;i++)
w.push_back({gondolaSeq[i],i});
sort(begin(w),end(w));
map<int,int>in;
for (int i=1;i<=n;i++)
{
in[req++]=i;
req%=n;
}
int g=0;
reverse(begin(f),end(f));
for (int i=0;i<n;i++)
{
if (d[in[w[i].second]]==0)
{
replacementSeq[g++]=in[w[i].second];
}
while (f.size()&&f.back()<w[i].first)
{
replacementSeq[g++]=f.back();
f.pop_back();
}
}
return g;
}
int countReplacement(int n, int inputSeq[])
{
if (!valid(n,inputSeq))
return 0;
vector<int>s;
for (int i=0;i<n;i++)
{
if (inputSeq[i]>n)
s.push_back(inputSeq[i]);
}
s.push_back(n);
sort(begin(s),end(s));
long long ans=power(n,(s.size()==n+1));
for (int i=1;i<s.size();i++)
ans=(ans*power(s.size()-i,s[i]-s[i-1]-1))%mod;
return (int)(ans);
}
Compilation message
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:36:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
36 | for (int i=0;i+1<s.size();i++)
| ~~~^~~~~~~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:111:33: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
111 | long long ans=power(n,(s.size()==n+1));
| ~~~~~~~~^~~~~
gondola.cpp:112:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
112 | for (int i=1;i<s.size();i++)
| ~^~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
8 ms |
2728 KB |
Output is correct |
7 |
Correct |
21 ms |
4828 KB |
Output is correct |
8 |
Correct |
15 ms |
5360 KB |
Output is correct |
9 |
Correct |
5 ms |
1752 KB |
Output is correct |
10 |
Correct |
18 ms |
5584 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
444 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
12 ms |
2772 KB |
Output is correct |
7 |
Correct |
32 ms |
4772 KB |
Output is correct |
8 |
Correct |
16 ms |
5072 KB |
Output is correct |
9 |
Correct |
5 ms |
1752 KB |
Output is correct |
10 |
Correct |
17 ms |
5584 KB |
Output is correct |
11 |
Correct |
0 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
17 ms |
2392 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
41 ms |
5820 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
596 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 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 |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
600 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 |
# |
결과 |
실행 시간 |
메모리 |
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 |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
352 KB |
Output is correct |
8 |
Correct |
1 ms |
360 KB |
Output is correct |
9 |
Correct |
1 ms |
360 KB |
Output is correct |
10 |
Correct |
1 ms |
360 KB |
Output is correct |
11 |
Correct |
41 ms |
9172 KB |
Output is correct |
12 |
Correct |
58 ms |
10588 KB |
Output is correct |
13 |
Correct |
44 ms |
6148 KB |
Output is correct |
14 |
Correct |
42 ms |
8924 KB |
Output is correct |
15 |
Correct |
36 ms |
4716 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 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 |
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 |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
28 ms |
4764 KB |
Output is correct |
10 |
Correct |
22 ms |
4052 KB |
Output is correct |
11 |
Correct |
9 ms |
1732 KB |
Output is correct |
12 |
Correct |
15 ms |
2020 KB |
Output is correct |
13 |
Correct |
3 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
600 KB |
Output is correct |
3 |
Correct |
0 ms |
344 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 |
604 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
30 ms |
4616 KB |
Output is correct |
10 |
Correct |
23 ms |
4052 KB |
Output is correct |
11 |
Correct |
9 ms |
1624 KB |
Output is correct |
12 |
Correct |
11 ms |
1900 KB |
Output is correct |
13 |
Correct |
2 ms |
600 KB |
Output is correct |
14 |
Correct |
36 ms |
5460 KB |
Output is correct |
15 |
Correct |
46 ms |
5972 KB |
Output is correct |
16 |
Correct |
10 ms |
1372 KB |
Output is correct |
17 |
Correct |
32 ms |
4188 KB |
Output is correct |
18 |
Correct |
19 ms |
2396 KB |
Output is correct |