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답안 #126803

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
126803 2019-07-08T12:39:12 Z ekrem 곤돌라 (IOI14_gondola) C++
100 / 100
 61 ms 2716 KB 
#include "gondola.h"
#include <bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
#define pb push_back
#define sol (k+k)
#define sag (k+k+1)
#define orta ((bas+son)/2)
#define coc g[node][i]
#define mod 1000000009
#define inf 1000000009
#define N 1000005
using namespace std;

typedef long long ll;
typedef pair < int , int > ii;

int n, m, mx, a[N], u[N], b[N];


int valid(int n, int a[]){
	int x = inf;
	for(int i = 0; i < n; i++){
		a[i]--;
		if(u[a[i]])return 0;
		u[a[i]] = 1;
		if(a[i] < n and a[i] >= 0){
			if(x != inf and x != (a[i] - i + n)%n )
				return 0;
			x = (a[i] - i + n)%n;
		}
	}
	return 1;
}

int replacement(int n, int a[], int b[]){
	int m = -1, x = 0;
	priority_queue < ii > q;
	priority_queue < int > yok;
	for(int i = 0; i < n; i++){
		a[i]--;
		u[a[i]] = 1;
		mx = max(mx, a[i]);
		if(a[i] < n and a[i] >= 0)
			x = (a[i] - i + n)%n;
		else
			q.push(mp(a[i], i));
	}
	for(int i = n; i <= mx; i++)
		if(!u[i])
			yok.push(i);
	while(!q.empty()){
		int y = q.top().st;
		int ind = q.top().nd;
		q.pop();
		if(yok.empty())
			b[++m] = (x + ind)%n + 1;
		else{
			b[++m] = yok.top() + 1;
			q.push(mp(yok.top(), ind));
			yok.pop();
		}
	}
	reverse(b, b + m + 1);
	// for(int i = 0; i <= m; i++)
	// 	cout << "b"<<b[i] << " ";
 	return m + 1;
}

ll fe(ll a, ll us){
	if(us <= 1)
		return (us)?a:1ll;
	ll t = fe(a, us/2);
	return (us&1)?(t*t%mod)*a%mod : t*t%mod;
}

int countReplacement(int n, int a[]){
	ll x = n, say = 0, ans = 1;
	for(int i = 0; i < n; i++){
		mx = max(mx, a[i]);
		if(a[i] <= n)
			x = 1;
		else
			b[++m] = a[i];
	}
	sort(b + 1, b + m + 1);
	b[0] = n;
	for(int i = 1; i <= m; i++){
		ans = ans*fe(m - i + 1, b[i] - b[i - 1] - 1)%mod;
	}
 	return ans*x%mod;
}




// int gondolaSequence[100001];
// int replacementSequence[250001];
// int main()
// {
// freopen("in.txt", "r", stdin);
// freopen("outt.txt", "w", stdout);
// int i, n, tag;
// int nr; 
// assert(scanf("%d", &tag)==1);
// assert(scanf("%d", &n)==1);
// for(i=0;i< n;i++)
// assert( scanf("%d", &gondolaSequence[i]) ==1);

// switch (tag){
// case 1: case 2: case 3:
// printf("%d\n", valid(n, gondolaSequence));
// break;

// case 4: case 5: case 6:
// nr = replacement(n, gondolaSequence, replacementSequence);
// printf("%d ", nr);
// if (nr > 0)
// {
// for (i=0; i<nr-1; i++)
// printf("%d ", replacementSequence[i]);
// printf("%d\n", replacementSequence[nr-1]);
// }  
// else printf("\n");
// break;

// case 7: case 8: case 9: case 10:
// printf("%d\n",  countReplacement(n, gondolaSequence));  
// break;
// }

// return 0;
// }

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:54:7: warning: unused variable 'y' [-Wunused-variable]
   int y = q.top().st;
       ^
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:79:12: warning: unused variable 'say' [-Wunused-variable]
  ll x = n, say = 0, ans = 1;
            ^~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 404 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 308 KB Output is correct
6 Correct 7 ms 632 KB Output is correct
7 Correct 13 ms 632 KB Output is correct
8 Correct 11 ms 888 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 12 ms 1016 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 380 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 7 ms 632 KB Output is correct
7 Correct 13 ms 632 KB Output is correct
8 Correct 11 ms 888 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 12 ms 1016 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 7 ms 760 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 14 ms 632 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 12 ms 888 KB Output is correct
12 Correct 13 ms 1016 KB Output is correct
13 Correct 31 ms 1780 KB Output is correct
14 Correct 12 ms 888 KB Output is correct
15 Correct 61 ms 2716 KB Output is correct

Subtask #7
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct

Subtask #8
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct

Subtask #9
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 18 ms 888 KB Output is correct
10 Correct 14 ms 760 KB Output is correct
11 Correct 7 ms 504 KB Output is correct
12 Correct 8 ms 504 KB Output is correct
13 Correct 3 ms 376 KB Output is correct

Subtask #10
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 18 ms 892 KB Output is correct
10 Correct 15 ms 888 KB Output is correct
11 Correct 7 ms 504 KB Output is correct
12 Correct 8 ms 504 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 24 ms 1016 KB Output is correct
15 Correct 27 ms 2040 KB Output is correct
16 Correct 7 ms 632 KB Output is correct
17 Correct 18 ms 1528 KB Output is correct
18 Correct 11 ms 888 KB Output is correct