CSES - Leirikisa 4

CSES - Leirikisa 4 - Results

Submission details
Task:	paleta
Sender:	eXeP
Submission time:	2016-08-01 17:57:07 +0300
Language:	C++
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0

Test results
test	verdict	time
#1	ACCEPTED	0.05 s	details
#2	ACCEPTED	0.06 s	details
#3	ACCEPTED	0.06 s	details
#4	WRONG ANSWER	0.05 s	details
#5	ACCEPTED	0.05 s	details
#6	WRONG ANSWER	0.06 s	details
#7	WRONG ANSWER	0.06 s	details
#8	WRONG ANSWER	0.06 s	details
#9	WRONG ANSWER	0.07 s	details
#10	WRONG ANSWER	0.05 s	details
#11	ACCEPTED	0.06 s	details
#12	WRONG ANSWER	0.06 s	details
#13	ACCEPTED	0.06 s	details
#14	WRONG ANSWER	0.06 s	details
#15	WRONG ANSWER	0.05 s	details
#16	WRONG ANSWER	0.06 s	details
#17	WRONG ANSWER	0.06 s	details
#18	WRONG ANSWER	0.07 s	details
#19	ACCEPTED	0.06 s	details
#20	WRONG ANSWER	0.20 s	details
#21	ACCEPTED	0.06 s	details
#22	WRONG ANSWER	0.20 s	details
#23	WRONG ANSWER	0.06 s	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:25:7: warning: unused variable 'tn' [-Wunused-variable]
   int tn = 4, tk = 3;
       ^
input/code.cpp:25:15: warning: unused variable 'tk' [-Wunused-variable]
   int tn = 4, tk = 3;
               ^

Code

#include <bits/stdc++.h>

#define i64 long long
#define u64 unsigned long long
#define i32 int
#define u32 unsigned int

#define pii pair<int, int>
#define pll pair<long long, long long>

#define ld long double
#define defmod 1000000007

#define mati64(a,b) vector<vector<i64>>(a, vector<i64>(b, 0));
using namespace std;

i64 n, k;
int f[1010101];
int c[1010101];
int d1[1010101];
int t1[1010101];
int main(){
  cin.sync_with_stdio(0);
  cin.tie(0);
  int tn = 4, tk = 3;
  
  
  cin >> n >> k;
  for(int i = 0; i < n; ++i){
    cin >> f[i+1];
    c[f[i+1]]++;
  }
  i64 ans = 1;
  int cn = 0;
  for(int i = 1; i <= n; ++i){
    if(c[i] || d1[i])
      continue;
    cn++;
    int cur = i;
    int time = 1;
    while(d1[cur] == 0){
      d1[cur] = cn;
      t1[cur] = time;
      cur = f[cur];
      time++;
    }
    if(d1[cur] != cn){
      if(time > 1){
	ans = (ans*(k-1))%defmod;
	time--;
      }
      if(time > 1){
	ans = (ans*(k-1))%defmod;
	time--;
      }
      while(time > 1){
	ans = (ans*(k-2))%defmod;
	time--;
      }
    }
    else{
      int ek = t1[cur]-1, cyc = time-t1[cur];
      if(ek > 0){
	ans = (ans*(k-1))%defmod;
	ek--;
      }
      if(ek > 0){
	ans = (ans*(k-1))%defmod;
	ek--;
      }
      while(ek > 0){
	ans = (ans*(k-2))%defmod;
	ek--;
      }
      ans = (ans*(k))%defmod;
      cyc--;
      if(cyc > 0)
	ans = (ans*(k-1))%defmod;
      cyc--;
      while(cyc > 0){
	ans = (ans*(k-2))%defmod;
	cyc--;
      }
    }
  }
  
  for(int i = 1; i <= n; ++i){
    if(d1[i])
      continue;
    cn++;
    int cur = i;
    int time = 1;
    while(d1[cur] == 0){
      d1[cur] = cn;
      t1[cur] = time;
      cur = f[cur];
      time++;
    }
    if(d1[cur] != cn){
      while(time > 1){
	ans = (ans*(k-1))%defmod;
	time--;
      }
    }
    else{
      int ek = t1[cur]-1, cyc = time-t1[cur];
      if(ek > 0){
	ans = (ans*(k-1))%defmod;
	ek--;
      }
      if(ek > 0){
	ans = (ans*(k-1))%defmod;
	ek--;
      }
      while(ek > 0){
	ans = (ans*(k-2))%defmod;
	ek--;
      }
      ans = (ans*(k))%defmod;
      cyc--;
      if(cyc > 0)
	ans = (ans*(k-1))%defmod;
      cyc--;
      while(cyc > 0){
	ans = (ans*(k-2))%defmod;
	cyc--;
      }
    }
  }
  cout << ans << endl;
  return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
`2 3 2 1` view save

correct output
`6` view save

user output
`6` view save

Test 2

Verdict: ACCEPTED

input
`3 4 2 3 1` view save

correct output
`24` view save

user output
`24` view save

Test 3

Verdict: ACCEPTED

input
`3 4 2 1 1` view save

correct output
`36` view save

user output
`36` view save

Test 4

Verdict: WRONG ANSWER

input
`10 4 3 10 7 9 1 4 8 5 6 2` view save

correct output
`69120` view save

user output
`27648` view save

Test 5

Verdict: ACCEPTED

input
`10 2 9 4 2 5 8 10 6 3 1 7` view save

correct output
`0` view save

user output
`0` view save

Test 6

Verdict: WRONG ANSWER

input
`20 6 15 16 6 12 8 2 11 4 14 17 8 11...` view save

correct output
`749062329` view save

user output
`999455687` view save

Test 7

Verdict: WRONG ANSWER

input
`10 3 10 7 6 5 9 2 3 6 4 1` view save

correct output
`1296` view save

user output
`432` view save

Test 8

Verdict: WRONG ANSWER

input
`100 6 70 62 57 34 87 73 81 45 11 25 ...` view save

correct output
`170647921` view save

user output
`864810153` view save

Test 9

Verdict: WRONG ANSWER

input
`5 7 2 3 4 5 5` view save

correct output
`9072` view save

user output
`6300` view save

Test 10

Verdict: WRONG ANSWER

input
`200 13 88 97 79 1 184 104 127 159 157...` view save

correct output
`798243726` view save

user output
`412211138` view save

Test 11

Verdict: ACCEPTED

input
`5 2 1 2 3 4 5` view save

correct output
`32` view save

user output
`32` view save

Test 12

Verdict: WRONG ANSWER

input
`1000 17 321 466 231 684 53 480 95 61 5...` view save

correct output
`799039396` view save

user output
`353295486` view save

Test 13

Verdict: ACCEPTED

input
`5 1 1 2 3 4 5` view save

correct output
`1` view save

user output
`1` view save

Test 14

Verdict: WRONG ANSWER

input
`2000 27 545 945 734 555 1974 1119 694 ...` view save

correct output
`87259530` view save

user output
`166697887` view save

Test 15

Verdict: WRONG ANSWER

input
`5 4 2 3 4 5 1` view save

correct output
`240` view save

user output
`96` view save

Test 16

Verdict: WRONG ANSWER

input
`20000 207 4712 13482 9751 10677 2744 326...` view save

correct output
`920405949` view save

user output
`275373823` view save

Test 17

Verdict: WRONG ANSWER

input
`10 9 2 3 4 5 6 7 8 9 10 1` view save

correct output
`73741825` view save

user output
`415065672` view save

Test 18

Verdict: WRONG ANSWER

input
`100000 137 35216 66352 76631 39149 68563 ...` view save

correct output
`873619169` view save

user output
`784582198` view save

Test 19

Verdict: ACCEPTED

input
`5 2 2 1 3 4 5` view save

correct output
`16` view save

user output
`16` view save

Test 20

Verdict: WRONG ANSWER

input
`1000000 1337 157667 207184 572776 559466 52...` view save

correct output
`815275681` view save

user output
`546842777` view save

Test 21

Verdict: ACCEPTED

input
`5 2 2 3 4 5 1` view save

correct output
`0` view save

user output
`0` view save

Test 22

Verdict: WRONG ANSWER

input
`1000000 137037 302969 577811 4130 64 558319 7...` view save

correct output
`387136640` view save

user output
`235016235` view save

Test 23

Verdict: WRONG ANSWER

input
`6 2 2 3 4 5 6 1` view save

correct output
`2` view save

user output
`0` view save

Leirikisa 4

paleta

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Tasks

Submissions (eXeP)