#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e6+5, mod = 1e9+7;
int mark[N], mep[N];
int valid(int n, int inputSeq[])
{
for(int i=0; i<n; i++)
{
if(mark[inputSeq[i]]) return 0;
else mark[inputSeq[i]] = 1;
}
int j = -1;
for(int i=0; i<n; i++) if(inputSeq[i] > 0 && inputSeq[i] <= n) j = i;
if(j == -1) return 1;
for(int i=0; i<n; i++)
{
int id = (i+j)%n, jd = (i+j+1)%n;
if(inputSeq[jd] > n) inputSeq[jd] = inputSeq[id]%n + 1;
if(inputSeq[jd] != inputSeq[id]%n + 1) return 0;
}
return 1;
}
//----------------------
int replacement(int n, int inputSeq[], int replacementSeq[])
{
memset(mep, 0, sizeof mep);
int j = -1, c = n;
for(int i=0; i<n; i++) if(inputSeq[i] <= n) j = i;
if(j == -1)
{
for(int i=0; i<n; i++) replacementSeq[inputSeq[i]-n-1] = i+1;
return n;
}
for(int i=0; i<n; i++)
{
int id = (i+j) % n, jd = (i+j+1) % n;
if(inputSeq[jd] > n) c = max(c, inputSeq[jd]), mep[inputSeq[jd]] = inputSeq[id]%n + 1, inputSeq[jd] = inputSeq[id]%n + 1;
}
int last = -1;
for(int i=c; i>n; i--)
{
if(mep[i] && last == -1) last = i;
if(!mep[i])
replacementSeq[i-n-1] = replacementSeq[last-n-1], replacementSeq[last-n-1] = i;
else replacementSeq[i-n-1] = mep[i];
}
return c-n;
}
//----------------------
int countReplacement(int n, int inputSeq[])
{
int tmp[n];
for(int i=0; i<n; i++) tmp[i] = inputSeq[i];
if(!valid(n, inputSeq)) return 0;
for(int i=0; i<n; i++) inputSeq[i] = tmp[i];
memset(mep, 0, sizeof mep);
ll j = -1, c = n;
for(int i=0; i<n; i++) if(inputSeq[i] <= n) j = i;
if(j == -1)
{
for(int i=0; i<n; i++)
{
c = max(c, (ll)inputSeq[i]);
mep[inputSeq[i]] = 1;
}
ll cnt = 1, cmt=0;
for(ll i=c; i>n; i--)
{
if(!mep[i]) cnt *= (cmt), cnt %= mod;
else cmt++;
}
return (cnt*n)%mod;
}
for(int i=0; i<n; i++)
{
ll id = (i+j) % n, jd = (i+j+1) % n;
if(inputSeq[jd] > n) c = max(c, (ll)inputSeq[jd]),
mep[inputSeq[jd]] = inputSeq[id]%n + 1, inputSeq[jd] = inputSeq[id]%n + 1;
}
ll cnt = 1, cmt=0;
for(ll i=c; i>n; i--)
{
if(!mep[i]) cnt = (cnt%mod * cmt%mod)%mod;
else cmt++;
}
return cnt;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
248 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
380 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
380 KB |
Output is correct |
6 |
Correct |
7 ms |
632 KB |
Output is correct |
7 |
Correct |
14 ms |
1016 KB |
Output is correct |
8 |
Correct |
12 ms |
888 KB |
Output is correct |
9 |
Correct |
5 ms |
504 KB |
Output is correct |
10 |
Correct |
15 ms |
1016 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
7 ms |
632 KB |
Output is correct |
7 |
Correct |
13 ms |
1016 KB |
Output is correct |
8 |
Correct |
12 ms |
964 KB |
Output is correct |
9 |
Correct |
5 ms |
504 KB |
Output is correct |
10 |
Correct |
14 ms |
1016 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
8 ms |
1272 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
14 ms |
1144 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
4216 KB |
Output is correct |
2 |
Correct |
6 ms |
4216 KB |
Output is correct |
3 |
Correct |
5 ms |
4216 KB |
Output is correct |
4 |
Correct |
5 ms |
4216 KB |
Output is correct |
5 |
Correct |
5 ms |
4220 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
4216 KB |
Output is correct |
2 |
Correct |
6 ms |
4216 KB |
Output is correct |
3 |
Correct |
5 ms |
4216 KB |
Output is correct |
4 |
Correct |
6 ms |
4216 KB |
Output is correct |
5 |
Correct |
6 ms |
4216 KB |
Output is correct |
6 |
Incorrect |
5 ms |
4216 KB |
Integer 7 violates the range [1, 5] |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
4216 KB |
Output is correct |
2 |
Correct |
5 ms |
4188 KB |
Output is correct |
3 |
Correct |
5 ms |
4220 KB |
Output is correct |
4 |
Correct |
5 ms |
4216 KB |
Output is correct |
5 |
Correct |
5 ms |
4216 KB |
Output is correct |
6 |
Incorrect |
5 ms |
4216 KB |
Integer 7 violates the range [1, 5] |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
4216 KB |
Output is correct |
2 |
Correct |
5 ms |
4216 KB |
Output is correct |
3 |
Correct |
5 ms |
4216 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
4216 KB |
Output is correct |
2 |
Correct |
5 ms |
4216 KB |
Output is correct |
3 |
Correct |
5 ms |
4216 KB |
Output is correct |
4 |
Correct |
5 ms |
4216 KB |
Output is correct |
5 |
Correct |
5 ms |
4216 KB |
Output is correct |
6 |
Correct |
5 ms |
4216 KB |
Output is correct |
7 |
Incorrect |
5 ms |
4216 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
4188 KB |
Output is correct |
2 |
Correct |
6 ms |
4216 KB |
Output is correct |
3 |
Correct |
5 ms |
4216 KB |
Output is correct |
4 |
Correct |
5 ms |
4216 KB |
Output is correct |
5 |
Correct |
5 ms |
4216 KB |
Output is correct |
6 |
Correct |
14 ms |
4216 KB |
Output is correct |
7 |
Incorrect |
5 ms |
4216 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
4216 KB |
Output is correct |
2 |
Correct |
5 ms |
4216 KB |
Output is correct |
3 |
Correct |
5 ms |
4216 KB |
Output is correct |
4 |
Correct |
5 ms |
4216 KB |
Output is correct |
5 |
Correct |
5 ms |
4216 KB |
Output is correct |
6 |
Correct |
5 ms |
4216 KB |
Output is correct |
7 |
Incorrect |
6 ms |
4216 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |