oj.uz

답안 #153516

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
153516 2019-09-14T12:03:20 Z dennisstar 곤돌라 (IOI14_gondola) C++11
55 / 100
 23 ms 3192 KB 
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int valid(int n, int inputSeq[])
{
	int i;
	int chk[250010];
	memset(chk, 0, sizeof(chk));
	for (i=0; i<n; i++) chk[inputSeq[i]]++;
	for (i=0; i<n; i++) if (chk[inputSeq[i]]!=1) return 0;
	for (i=0; i<n; i++) if (inputSeq[i]<=n) break;
	if (i>=n) return 1;
	int ar[100010];
	for (int j=0; j<n; j++) ar[(inputSeq[i]-1+j)%n]=inputSeq[(i+j)%n];
	for (i=0; i<n; i++) if (ar[i]<=n&&i+1!=ar[i]) return 0;
	return 1;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
	int chk[250010]; int i, j;
	int ar[100010];
	memset(chk, 0, sizeof(chk));
	int mx=0;
	for (i=0; i<n; i++) mx=max(mx, gondolaSeq[i]);
	for (i=0; i<n; i++) if (gondolaSeq[i]<=n) break;
	if (i<n) {
		for (j=0; j<n; j++) ar[(gondolaSeq[i]-1+j)%n]=gondolaSeq[(i+j)%n];
 		for (i=0; i<n; i++) gondolaSeq[i]=ar[i];
	}
	for (i=0; i<n; i++) chk[gondolaSeq[i]]=i+1;
	int fr=0;
	for (i=0; i<n; i++) ar[i]=i+1;
	for (i=n+1; i<=mx; i++) {
		if (chk[i]) {
			replacementSeq[i-n-1]=ar[chk[i]-1];
			ar[chk[i]-1]=i;
		}
		else {
			for (; ar[fr]==gondolaSeq[fr]; fr++) {}
			replacementSeq[i-n-1]=ar[fr];
			ar[fr]=i;
		}
	}
	return mx-n;
}

//----------------------
typedef long long ll;
const ll MAX=1000000009ll;
ll mypow(ll n, int k)
{
	if (n==0) return 1;
	if (k==0) return 1;
	int i;
	ll ret=1;
	for (i=0; (1<<i)<=k; i++) {} i--;
	for (; i>=0; i--) {
		ret=ret*ret%MAX;
		if ((1<<i)&k) ret=ret*n%MAX;
	}
	return ret;
}

int arr[100010];
int countReplacement(int n, int gondolaSeq[])
{
	if (n==0) return 1;
	int chk[250010]; int i, j;
	

	memset(chk, 0, sizeof(chk));

	sort(gondolaSeq, gondolaSeq+n);

	if (gondolaSeq[0]<=n) {
		for (j=0; j<n; j++) arr[(gondolaSeq[0]-1+j)%n]=gondolaSeq[j];
		for (i=0; i<n; i++) if (arr[i]<=n&&i+1!=arr[i]) return 0;
	}

	for (i=0; i<n-1; i++) if (gondolaSeq[i]==gondolaSeq[i+1]) return 0;

	long long ret=1, cnt=0;
	for (i=0; i<n; i++) if (gondolaSeq[i]>n) break;
	cnt=n-i;
	ret=mypow(cnt, gondolaSeq[i]-n-1);
	i++;
	for (; i<n; i++) {
		cnt--;
		if (cnt==0) assert(false);
		ret=ret*mypow(cnt, gondolaSeq[i]-gondolaSeq[i-1]-1)%MAX;
	}
	if (gondolaSeq[0]>n) return ret*n%MAX;
	return (int)ret;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1272 KB Output is correct
2 Correct 3 ms 1276 KB Output is correct
3 Correct 3 ms 1288 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1272 KB Output is correct
2 Correct 3 ms 1272 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 4 ms 1272 KB Output is correct
6 Correct 8 ms 1528 KB Output is correct
7 Correct 15 ms 1656 KB Output is correct
8 Correct 13 ms 1912 KB Output is correct
9 Correct 6 ms 1400 KB Output is correct
10 Correct 15 ms 1912 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1272 KB Output is correct
2 Correct 3 ms 1272 KB Output is correct
3 Correct 3 ms 1400 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 8 ms 1528 KB Output is correct
7 Correct 15 ms 1656 KB Output is correct
8 Correct 13 ms 1784 KB Output is correct
9 Correct 6 ms 1400 KB Output is correct
10 Correct 14 ms 1912 KB Output is correct
11 Correct 3 ms 1272 KB Output is correct
12 Correct 3 ms 1272 KB Output is correct
13 Correct 9 ms 1656 KB Output is correct
14 Correct 3 ms 1272 KB Output is correct
15 Correct 17 ms 2040 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1272 KB Output is correct
2 Correct 3 ms 1272 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1272 KB Output is correct
2 Correct 3 ms 1272 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 3 ms 1276 KB Output is correct
7 Correct 3 ms 1272 KB Output is correct
8 Correct 3 ms 1404 KB Output is correct
9 Correct 3 ms 1272 KB Output is correct
10 Correct 3 ms 1272 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 1272 KB Output is correct
2 Correct 3 ms 1272 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 3 ms 1272 KB Output is correct
7 Correct 3 ms 1272 KB Output is correct
8 Correct 3 ms 1272 KB Output is correct
9 Correct 3 ms 1400 KB Output is correct
10 Correct 3 ms 1400 KB Output is correct
11 Correct 14 ms 2040 KB Output is correct
12 Correct 15 ms 2040 KB Output is correct
13 Correct 15 ms 2296 KB Output is correct
14 Correct 14 ms 1912 KB Output is correct
15 Correct 23 ms 3192 KB Output is correct

Subtask #7
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 1272 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 1272 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 1272 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 3 ms 1272 KB Output isn't correct
2 Halted 0 ms 0 KB -