oj.uz

Submission #52283

# Submission time Handle Problem Language Result Execution time Memory
52283 2018-06-25T07:46:52 Z 김세빈(#1347) Space Pirate (JOI14_space_pirate) C++11
10 / 100
 2000 ms 71692 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int K[3030][3030], B[3030][3030];
int R[3030], F[3030], P[101010];
int ans[101010];
int n;
ll k;

int run(int p,ll d)
{
	if(d <= F[p]) return B[p][d];
	if(d == 0) return p;
	return B[p][(d - F[p]) % R[p] + F[p]];
}

int f(int a,int b)
{
	if(a == b) return a;
	
	if(a == 1){
		if(K[b][1]){
			ll r = k % (K[b][1] + 1);
			if(r == 0) return a;
			else if(r == 1) return b;
			else return run(b, r-1);
		}
		else return run(b, k-1);
	}
	
	if(K[b][a]){
		ll r = (k - K[1][a]) % (K[b][a] + 1);
		if(r == 0) return a;
		else if(r == 1) return b;
		else return run(b, r-1);
	}
	else return run(b, k-1-K[1][a]);
}	

int main()
{
	scanf("%d%lld",&n,&k);
	
	if(n > 3000){
		return 0;
	}
	
	int i,j,t;
	
	for(i=1;i<=n;i++){
		scanf("%d",P+i);
	}
	
	for(i=1;i<=n;i++){
		for(j=i,t=0;;j=P[j],t++){
			if(K[i][j]) break;
			K[i][j] = t;
			B[i][t] = j;
		}
		R[i] = t-K[i][j];
		F[i] = K[i][j];
	}
	
	ll cnt = 0;
	
	for(i=1;i<=n;i++) if(i == 1 || K[1][i]){
		for(j=1;j<=n;j++){
			ans[f(i,j)] ++;
		}
		cnt ++;
	}
	
	ans[run(1,k)] += n * (n - cnt);
	
	for(i=1;i<=n;i++) printf("%d\n",ans[i]);
	
	return 0;
}

Compilation message

space_pirate.cpp: In function 'int main()':
space_pirate.cpp:45:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%lld",&n,&k);
  ~~~~~^~~~~~~~~~~~~~~~
space_pirate.cpp:54:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",P+i);
   ~~~~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1272 KB Output is correct
2 Correct 3 ms 1348 KB Output is correct
3 Correct 3 ms 1348 KB Output is correct
4 Correct 3 ms 1348 KB Output is correct
5 Correct 3 ms 1348 KB Output is correct
6 Correct 3 ms 1348 KB Output is correct
7 Correct 4 ms 1388 KB Output is correct
8 Correct 3 ms 1388 KB Output is correct
9 Correct 4 ms 1388 KB Output is correct
10 Correct 3 ms 1444 KB Output is correct
11 Correct 3 ms 1444 KB Output is correct
12 Correct 3 ms 1556 KB Output is correct
13 Correct 3 ms 1556 KB Output is correct
14 Correct 3 ms 1556 KB Output is correct

Subtask #2
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1272 KB Output is correct
2 Correct 3 ms 1348 KB Output is correct
3 Correct 3 ms 1348 KB Output is correct
4 Correct 3 ms 1348 KB Output is correct
5 Correct 3 ms 1348 KB Output is correct
6 Correct 3 ms 1348 KB Output is correct
7 Correct 4 ms 1388 KB Output is correct
8 Correct 3 ms 1388 KB Output is correct
9 Correct 4 ms 1388 KB Output is correct
10 Correct 3 ms 1444 KB Output is correct
11 Correct 3 ms 1444 KB Output is correct
12 Correct 3 ms 1556 KB Output is correct
13 Correct 3 ms 1556 KB Output is correct
14 Correct 3 ms 1556 KB Output is correct
15 Correct 105 ms 48996 KB Output is correct
16 Correct 47 ms 48996 KB Output is correct
17 Correct 118 ms 49256 KB Output is correct
18 Execution timed out 2070 ms 71692 KB Time limit exceeded
19 Halted 0 ms 0 KB -

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 71692 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1272 KB Output is correct
2 Correct 3 ms 1348 KB Output is correct
3 Correct 3 ms 1348 KB Output is correct
4 Correct 3 ms 1348 KB Output is correct
5 Correct 3 ms 1348 KB Output is correct
6 Correct 3 ms 1348 KB Output is correct
7 Correct 4 ms 1388 KB Output is correct
8 Correct 3 ms 1388 KB Output is correct
9 Correct 4 ms 1388 KB Output is correct
10 Correct 3 ms 1444 KB Output is correct
11 Correct 3 ms 1444 KB Output is correct
12 Correct 3 ms 1556 KB Output is correct
13 Correct 3 ms 1556 KB Output is correct
14 Correct 3 ms 1556 KB Output is correct
15 Correct 105 ms 48996 KB Output is correct
16 Correct 47 ms 48996 KB Output is correct
17 Correct 118 ms 49256 KB Output is correct
18 Execution timed out 2070 ms 71692 KB Time limit exceeded
19 Halted 0 ms 0 KB -