#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int valid(int n, int inputSeq[])
{
set<int> s;
set<int> t;
for(int i=0;i<n;i++){
if(inputSeq[i]<=n){
s.insert((i-inputSeq[i]+n)%n);
}
t.insert(inputSeq[i]);
}
return s.size()<=1 && t.size()==n;
}
//----------------------
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
set<int> s;
vector<int> loc(250001,-1);
for(int i=0;i<n;i++){
if(gondolaSeq[i]<=n){
s.insert((i-gondolaSeq[i]+n)%n);
}
loc[gondolaSeq[i]]=i;
}
int l=0;
int cur=n+1;
if(s.size()==0){
for(int i=1;i<=250000;i++){
if(loc[i]==-1)continue;
replacementSeq[l]=loc[i]+1;
l++;
cur++;
while(cur<=i){
replacementSeq[l]=cur-1;
l++;
cur++;
}
}
}
else{
int dif=*s.begin();
for(int i=n+1;i<=250000;i++){
if(loc[i]==-1)continue;
int tmp=(loc[i]-dif+n)%n;
if(tmp==0)tmp=n;
replacementSeq[l]=tmp;
l++;
cur++;
while(cur<=i){
replacementSeq[l]=cur-1;
l++;
cur++;
}
}
}
return l;
}
//----------------------
int fpow(int a,int b,int mod){
if(b==0) return 1;
if(b&1) return 1ll*fpow(a,b-1,mod)*a%mod;
int tmp=fpow(a,b>>1,mod);
return 1ll*tmp*tmp%mod;
}
int countReplacement(int n, int inputSeq[])
{
int MOD=1e9+9;
if(!valid(n,inputSeq)) return 0;
set<int> s;
for(int i=0;i<n;i++){
if(inputSeq[i]>n){
s.insert(inputSeq[i]);
}
}
int x=s.size();
int cur=n;
long long ans=1;
for(int val:s){
ans*=fpow(x,val-cur-1,MOD);
ans%=MOD;
cur=val;
x--;
}
return ans;
}
Compilation message
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:15:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
return s.size()<=1 && t.size()==n;
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3384 KB |
Output is correct |
2 |
Correct |
0 ms |
3384 KB |
Output is correct |
3 |
Correct |
0 ms |
3384 KB |
Output is correct |
4 |
Correct |
0 ms |
3384 KB |
Output is correct |
5 |
Correct |
0 ms |
3384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3384 KB |
Output is correct |
2 |
Correct |
0 ms |
3384 KB |
Output is correct |
3 |
Correct |
0 ms |
3384 KB |
Output is correct |
4 |
Correct |
0 ms |
3384 KB |
Output is correct |
5 |
Correct |
0 ms |
3384 KB |
Output is correct |
6 |
Correct |
13 ms |
5100 KB |
Output is correct |
7 |
Correct |
73 ms |
7740 KB |
Output is correct |
8 |
Correct |
23 ms |
6684 KB |
Output is correct |
9 |
Correct |
13 ms |
4440 KB |
Output is correct |
10 |
Correct |
29 ms |
7344 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3384 KB |
Output is correct |
2 |
Correct |
0 ms |
3384 KB |
Output is correct |
3 |
Correct |
0 ms |
3384 KB |
Output is correct |
4 |
Correct |
0 ms |
3384 KB |
Output is correct |
5 |
Correct |
0 ms |
3384 KB |
Output is correct |
6 |
Correct |
13 ms |
5100 KB |
Output is correct |
7 |
Correct |
66 ms |
7740 KB |
Output is correct |
8 |
Correct |
23 ms |
6684 KB |
Output is correct |
9 |
Correct |
9 ms |
4440 KB |
Output is correct |
10 |
Correct |
36 ms |
7344 KB |
Output is correct |
11 |
Correct |
0 ms |
3384 KB |
Output is correct |
12 |
Correct |
0 ms |
3384 KB |
Output is correct |
13 |
Correct |
26 ms |
5100 KB |
Output is correct |
14 |
Correct |
0 ms |
3384 KB |
Output is correct |
15 |
Correct |
96 ms |
8928 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
4364 KB |
Output is correct |
2 |
Correct |
0 ms |
4364 KB |
Output is correct |
3 |
Correct |
0 ms |
4364 KB |
Output is correct |
4 |
Correct |
0 ms |
4364 KB |
Output is correct |
5 |
Correct |
0 ms |
4364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
4364 KB |
Output is correct |
2 |
Correct |
0 ms |
4364 KB |
Output is correct |
3 |
Correct |
0 ms |
4364 KB |
Output is correct |
4 |
Correct |
0 ms |
4364 KB |
Output is correct |
5 |
Correct |
0 ms |
4364 KB |
Output is correct |
6 |
Correct |
0 ms |
4364 KB |
Output is correct |
7 |
Correct |
0 ms |
4364 KB |
Output is correct |
8 |
Correct |
0 ms |
4364 KB |
Output is correct |
9 |
Correct |
0 ms |
4364 KB |
Output is correct |
10 |
Correct |
0 ms |
4364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
4364 KB |
Output is correct |
2 |
Correct |
0 ms |
4364 KB |
Output is correct |
3 |
Correct |
0 ms |
4364 KB |
Output is correct |
4 |
Correct |
0 ms |
4364 KB |
Output is correct |
5 |
Correct |
0 ms |
4364 KB |
Output is correct |
6 |
Correct |
0 ms |
4364 KB |
Output is correct |
7 |
Correct |
0 ms |
4364 KB |
Output is correct |
8 |
Correct |
0 ms |
4364 KB |
Output is correct |
9 |
Correct |
0 ms |
4364 KB |
Output is correct |
10 |
Correct |
0 ms |
4364 KB |
Output is correct |
11 |
Correct |
6 ms |
4364 KB |
Output is correct |
12 |
Correct |
13 ms |
4364 KB |
Output is correct |
13 |
Correct |
9 ms |
4364 KB |
Output is correct |
14 |
Correct |
9 ms |
4364 KB |
Output is correct |
15 |
Correct |
36 ms |
4364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3384 KB |
Output is correct |
2 |
Correct |
0 ms |
3384 KB |
Output is correct |
3 |
Correct |
0 ms |
3384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3384 KB |
Output is correct |
2 |
Correct |
0 ms |
3384 KB |
Output is correct |
3 |
Correct |
0 ms |
3384 KB |
Output is correct |
4 |
Correct |
0 ms |
3384 KB |
Output is correct |
5 |
Correct |
0 ms |
3384 KB |
Output is correct |
6 |
Correct |
0 ms |
3384 KB |
Output is correct |
7 |
Correct |
0 ms |
3384 KB |
Output is correct |
8 |
Correct |
0 ms |
3384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3384 KB |
Output is correct |
2 |
Correct |
0 ms |
3384 KB |
Output is correct |
3 |
Correct |
0 ms |
3384 KB |
Output is correct |
4 |
Correct |
0 ms |
3384 KB |
Output is correct |
5 |
Correct |
0 ms |
3384 KB |
Output is correct |
6 |
Correct |
0 ms |
3384 KB |
Output is correct |
7 |
Correct |
0 ms |
3384 KB |
Output is correct |
8 |
Correct |
0 ms |
3384 KB |
Output is correct |
9 |
Correct |
83 ms |
6816 KB |
Output is correct |
10 |
Correct |
59 ms |
6288 KB |
Output is correct |
11 |
Correct |
26 ms |
4440 KB |
Output is correct |
12 |
Correct |
29 ms |
4704 KB |
Output is correct |
13 |
Incorrect |
6 ms |
3648 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
3384 KB |
Output is correct |
2 |
Correct |
0 ms |
3384 KB |
Output is correct |
3 |
Correct |
0 ms |
3384 KB |
Output is correct |
4 |
Correct |
0 ms |
3384 KB |
Output is correct |
5 |
Correct |
0 ms |
3384 KB |
Output is correct |
6 |
Correct |
0 ms |
3384 KB |
Output is correct |
7 |
Correct |
0 ms |
3384 KB |
Output is correct |
8 |
Correct |
0 ms |
3384 KB |
Output is correct |
9 |
Correct |
89 ms |
6816 KB |
Output is correct |
10 |
Correct |
49 ms |
6288 KB |
Output is correct |
11 |
Correct |
23 ms |
4440 KB |
Output is correct |
12 |
Correct |
26 ms |
4704 KB |
Output is correct |
13 |
Incorrect |
3 ms |
3648 KB |
Output isn't correct |
14 |
Halted |
0 ms |
0 KB |
- |