oj.uz

Submission #52284

# Submission time Handle Problem Language Result Execution time Memory
52284 2018-06-25T07:49:11 Z 김세빈(#1347) Space Pirate (JOI14_space_pirate) C++11
10 / 100
 2000 ms 71808 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 main()
{
	scanf("%d%lld",&n,&k);
	
	if(n > 3000){
		return 0;
	}
	
	int i,j,t,a,b;
	
	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++){
			a = i, b = j;
			
			if(a == b) ans[a] ++;
			
			else if(a == 1){
				if(K[b][1]){
					ll r = k % (K[b][1] + 1);
					if(r == 0) ans[a] ++;
					else if(r == 1) ans[b] ++;
					else ans[run(b, r-1)] ++;
				}
				else ans[run(b, k-1)] ++;
			}
			
			else{
				if(K[b][a]){
					ll r = (k - K[1][a]) % (K[b][a] + 1);
					if(r == 0) ans[a] ++;
					else if(r == 1) ans[b] ++;
					else ans[run(b, r-1)] ++;
				}
				else ans[run(b, k-1-K[1][a])] ++;
			}
		}
		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:22:7: 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:31:8: 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 1144 KB Output is correct
2 Correct 3 ms 1256 KB Output is correct
3 Correct 3 ms 1256 KB Output is correct
4 Correct 4 ms 1308 KB Output is correct
5 Correct 4 ms 1356 KB Output is correct
6 Correct 3 ms 1388 KB Output is correct
7 Correct 4 ms 1388 KB Output is correct
8 Correct 4 ms 1388 KB Output is correct
9 Correct 3 ms 1388 KB Output is correct
10 Correct 3 ms 1388 KB Output is correct
11 Correct 3 ms 1388 KB Output is correct
12 Correct 3 ms 1420 KB Output is correct
13 Correct 3 ms 1420 KB Output is correct
14 Correct 3 ms 1420 KB Output is correct

Subtask #2
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1144 KB Output is correct
2 Correct 3 ms 1256 KB Output is correct
3 Correct 3 ms 1256 KB Output is correct
4 Correct 4 ms 1308 KB Output is correct
5 Correct 4 ms 1356 KB Output is correct
6 Correct 3 ms 1388 KB Output is correct
7 Correct 4 ms 1388 KB Output is correct
8 Correct 4 ms 1388 KB Output is correct
9 Correct 3 ms 1388 KB Output is correct
10 Correct 3 ms 1388 KB Output is correct
11 Correct 3 ms 1388 KB Output is correct
12 Correct 3 ms 1420 KB Output is correct
13 Correct 3 ms 1420 KB Output is correct
14 Correct 3 ms 1420 KB Output is correct
15 Correct 95 ms 49068 KB Output is correct
16 Correct 49 ms 49068 KB Output is correct
17 Correct 121 ms 49356 KB Output is correct
18 Execution timed out 2073 ms 71808 KB Time limit exceeded
19 Halted 0 ms 0 KB -

Subtask #3
0 / 33.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 71808 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 1144 KB Output is correct
2 Correct 3 ms 1256 KB Output is correct
3 Correct 3 ms 1256 KB Output is correct
4 Correct 4 ms 1308 KB Output is correct
5 Correct 4 ms 1356 KB Output is correct
6 Correct 3 ms 1388 KB Output is correct
7 Correct 4 ms 1388 KB Output is correct
8 Correct 4 ms 1388 KB Output is correct
9 Correct 3 ms 1388 KB Output is correct
10 Correct 3 ms 1388 KB Output is correct
11 Correct 3 ms 1388 KB Output is correct
12 Correct 3 ms 1420 KB Output is correct
13 Correct 3 ms 1420 KB Output is correct
14 Correct 3 ms 1420 KB Output is correct
15 Correct 95 ms 49068 KB Output is correct
16 Correct 49 ms 49068 KB Output is correct
17 Correct 121 ms 49356 KB Output is correct
18 Execution timed out 2073 ms 71808 KB Time limit exceeded
19 Halted 0 ms 0 KB -