oj.uz

Submission #52265

# Submission time Handle Problem Language Result Execution time Memory
52265 2018-06-25T07:23:04 Z 김세빈(#1347) Space Pirate (JOI14_space_pirate) C++11
10 / 100
 2000 ms 143008 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

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

ll run(ll 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]];
}

ll f(ll a,ll 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("%lld%lld",&n,&k);
	
	if(n > 3000) return 0;
	
	ll i,j,t;
	
	for(i=1;i<=n;i++){
		scanf("%lld",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)] ++;
//			printf("%d %d %d\n",i,j,f(i,j));
		}
		cnt ++;
	}
	
	ans[run(1,k)] += n * (n - cnt);
	
	for(i=1;i<=n;i++) printf("%lld\n",ans[i]);
	
	return 0;
}

Compilation message

space_pirate.cpp: In function 'int main()':
space_pirate.cpp:43:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld",&n,&k);
  ~~~~~^~~~~~~~~~~~~~~~~~
space_pirate.cpp:50:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",P+i);
   ~~~~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1144 KB Output is correct
2 Correct 3 ms 1380 KB Output is correct
3 Correct 3 ms 1380 KB Output is correct
4 Correct 3 ms 1500 KB Output is correct
5 Correct 3 ms 1500 KB Output is correct
6 Correct 4 ms 1500 KB Output is correct
7 Correct 5 ms 1500 KB Output is correct
8 Correct 3 ms 1500 KB Output is correct
9 Correct 3 ms 1500 KB Output is correct
10 Correct 3 ms 1616 KB Output is correct
11 Correct 2 ms 1616 KB Output is correct
12 Correct 3 ms 1644 KB Output is correct
13 Correct 3 ms 1644 KB Output is correct
14 Correct 3 ms 1644 KB Output is correct

Subtask #2
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1144 KB Output is correct
2 Correct 3 ms 1380 KB Output is correct
3 Correct 3 ms 1380 KB Output is correct
4 Correct 3 ms 1500 KB Output is correct
5 Correct 3 ms 1500 KB Output is correct
6 Correct 4 ms 1500 KB Output is correct
7 Correct 5 ms 1500 KB Output is correct
8 Correct 3 ms 1500 KB Output is correct
9 Correct 3 ms 1500 KB Output is correct
10 Correct 3 ms 1616 KB Output is correct
11 Correct 2 ms 1616 KB Output is correct
12 Correct 3 ms 1644 KB Output is correct
13 Correct 3 ms 1644 KB Output is correct
14 Correct 3 ms 1644 KB Output is correct
15 Correct 131 ms 84604 KB Output is correct
16 Correct 73 ms 84604 KB Output is correct
17 Correct 169 ms 86136 KB Output is correct
18 Execution timed out 2058 ms 143008 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 143008 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1144 KB Output is correct
2 Correct 3 ms 1380 KB Output is correct
3 Correct 3 ms 1380 KB Output is correct
4 Correct 3 ms 1500 KB Output is correct
5 Correct 3 ms 1500 KB Output is correct
6 Correct 4 ms 1500 KB Output is correct
7 Correct 5 ms 1500 KB Output is correct
8 Correct 3 ms 1500 KB Output is correct
9 Correct 3 ms 1500 KB Output is correct
10 Correct 3 ms 1616 KB Output is correct
11 Correct 2 ms 1616 KB Output is correct
12 Correct 3 ms 1644 KB Output is correct
13 Correct 3 ms 1644 KB Output is correct
14 Correct 3 ms 1644 KB Output is correct
15 Correct 131 ms 84604 KB Output is correct
16 Correct 73 ms 84604 KB Output is correct
17 Correct 169 ms 86136 KB Output is correct
18 Execution timed out 2058 ms 143008 KB Time limit exceeded
19 Halted 0 ms 0 KB -