oj.uz

답안 #52292

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
52292 2018-06-25T08:10:19 Z 김세빈(#1347) 우주 해적 (JOI14_space_pirate) C++11
10 / 100
 911 ms 141888 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,r;

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,x1;
	
	for(i=1;i<=n;i++){
		scanf("%d",P+i);
	}
	
	int fff = 0;
	
	for(i=1;i<=n;i++){
		for(j=i,t=0;;j=P[j],t++){
			if(K[j][i]) break;
			K[j][i] = t;
			B[i][t] = j;
			fff ++;
		}
		R[i] = t-K[j][i];
		F[i] = K[j][i];
	}
	
	int cnt = 0;
	
	ans[1] ++;
	for(i=2;i<=n;i++){
		if(K[1][i]){
			ll r = k % (K[1][i] + 1);
			if(r == 0) ans[1] ++;
			else ans[run(i, r-1)] ++;
		}
		else ans[run(i, k-1)] ++;
	}
	
	for(i=2;i<=n;i++) if(K[i][1]){
		x1 = K[i][1];
		for(j=1;j<=n;j++){
			if(i == j) ans[i] ++;
			else{
				if(K[i][j]){
					r = (k - x1) % (K[i][j] + 1);
					if(r == 0) ans[i] ++;
					else ans[run(j, r-1)] ++;
				}
				else ans[run(j, k-1-x1)] ++;
			}
		}
		cnt ++;
		
		if(i == n/2 && fff > 2000000) return 1/0;
	}
	
	
	ans[run(1,k)] += n * (n - cnt - 1);
	
	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:74:41: warning: division by zero [-Wdiv-by-zero]
   if(i == n/2 && fff > 2000000) return 1/0;
                                        ~^~
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

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1252 KB Output is correct
3 Correct 2 ms 1328 KB Output is correct
4 Correct 3 ms 1336 KB Output is correct
5 Correct 3 ms 1400 KB Output is correct
6 Correct 3 ms 1428 KB Output is correct
7 Correct 3 ms 1428 KB Output is correct
8 Correct 3 ms 1428 KB Output is correct
9 Correct 3 ms 1428 KB Output is correct
10 Correct 3 ms 1428 KB Output is correct
11 Correct 3 ms 1428 KB Output is correct
12 Correct 3 ms 1428 KB Output is correct
13 Correct 2 ms 1428 KB Output is correct
14 Correct 2 ms 1428 KB Output is correct

Subtask #2
0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1252 KB Output is correct
3 Correct 2 ms 1328 KB Output is correct
4 Correct 3 ms 1336 KB Output is correct
5 Correct 3 ms 1400 KB Output is correct
6 Correct 3 ms 1428 KB Output is correct
7 Correct 3 ms 1428 KB Output is correct
8 Correct 3 ms 1428 KB Output is correct
9 Correct 3 ms 1428 KB Output is correct
10 Correct 3 ms 1428 KB Output is correct
11 Correct 3 ms 1428 KB Output is correct
12 Correct 3 ms 1428 KB Output is correct
13 Correct 2 ms 1428 KB Output is correct
14 Correct 2 ms 1428 KB Output is correct
15 Correct 52 ms 37972 KB Output is correct
16 Correct 30 ms 37972 KB Output is correct
17 Correct 70 ms 37972 KB Output is correct
18 Runtime error 911 ms 141888 KB Execution killed with signal 4 (could be triggered by violating memory limits)
19 Halted 0 ms 0 KB -

Subtask #3
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 141888 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1252 KB Output is correct
3 Correct 2 ms 1328 KB Output is correct
4 Correct 3 ms 1336 KB Output is correct
5 Correct 3 ms 1400 KB Output is correct
6 Correct 3 ms 1428 KB Output is correct
7 Correct 3 ms 1428 KB Output is correct
8 Correct 3 ms 1428 KB Output is correct
9 Correct 3 ms 1428 KB Output is correct
10 Correct 3 ms 1428 KB Output is correct
11 Correct 3 ms 1428 KB Output is correct
12 Correct 3 ms 1428 KB Output is correct
13 Correct 2 ms 1428 KB Output is correct
14 Correct 2 ms 1428 KB Output is correct
15 Correct 52 ms 37972 KB Output is correct
16 Correct 30 ms 37972 KB Output is correct
17 Correct 70 ms 37972 KB Output is correct
18 Runtime error 911 ms 141888 KB Execution killed with signal 4 (could be triggered by violating memory limits)
19 Halted 0 ms 0 KB -