oj.uz

답안 #236958

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
236958 2020-06-04T06:16:10 Z crossing0ver 곤돌라 (IOI14_gondola) C++17
55 / 100
 43 ms 18040 KB 
#include<bits/stdc++.h>
#include "gondola.h"
using namespace std;
const int MAXN = 1E5+5 , mod = 1E9 + 9;
int n,a[MAXN];
int valid(int n1, int inputSeq[]) {
	n = n1;
	int pos = -1;
	for (int i = 0; i < n; i++) {
		a[i] = inputSeq[i];
		if (a[i] <= n) 
			pos = i;
	}
	if (pos != -1) {
		int x = (a[pos] - pos - 1)%n;
		if (x <0) x+= n;	
		int b[MAXN];
		for (int i = 0; i < n; i++) {
			b[(x + i)%n] = a[i];
		}
		for (int i = 0;i < n; i++)
			a[i] = b[i];
	}
	set<int> s;
	for (int i = 0; i < n; i++) {
		if (a[i] < n) {
			if (a[i] != i + 1) return 0;
		}
		s.insert(a[i]);
	}
	if (s.size() != n) return 0;
	return 1;
}

bool cmp(int x,int y) {
	return a[x-1] < a[y-1];
}
int replacement(int n1, int gondolaSeq[], int replacementSeq[]){
	bool c = valid(n1,gondolaSeq);
	vector<int> v;
	for (int i = 0; i < n ;i++) {
		if (a[i] > n) {
			v.push_back(a[i]);
		}
	}
	sort (v.begin(),v.end());
	vector<int> b(n+1);
	vector<int> g;
	for (int i = 0; i < n; i++)
		if (a[i] <= n) b[a[i]] = 1;
		
	for (int i = 1; i <= n; i++) 
		if (!b[i]) {
		g.push_back(i);
	}
	int cnt = 0;
	int val = n+1;
	vector<bool> good(100000000);
	for (int i = 0; i < v.size(); i++)
		good [v[i]] = 1;
	sort(g.begin(),g.end(),cmp);
	if (v.size() == 0) return 0;
	int mx = v.back() + 1;
	  for (int i = 0;i < g.size(); i++) {
		while (!good[ g[i] ]) {
		replacementSeq[cnt] = g[i];
		g[i] = val;
		val++;	
		cnt++;
	}
	}
	return cnt;	
}
int pw(int a,int n) {
	int y = 1;
	for (; n; n/=2) {
		if (n & 1) y=  1ll*y*a%mod;
		a = 1ll*a*a%mod;
	}
	return y;
	
}
int countReplacement(int n1, int inputSeq[]) { 
	if (valid(n1,inputSeq) == 0) return 0;
	int ans = 1;
	vector<int> v;
	for (int i = 0; i < n; i++) {
		if (a[i] > n) v.push_back(a[i]);
	}
	sort(v.begin(),v.end());
	int last = n;
	for (int i = 0; i < n; i++) {
		ans= 1ll*ans*pw(n - i,v[i] - last - 1)%mod;
		last = v[i];
	}
	return ans; 
}
/* 
main() {
	int n;
	cin >> n;
	int inputseq[n];
	int s[100000];
	for (int i = 0;i  < n; i++)
		cin >> inputseq[i];
	cout << replacement(n,inputseq,s);
} */

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:31:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if (s.size() != n) return 0;
      ~~~~~~~~~^~~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:59:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < v.size(); i++)
                  ~~^~~~~~~~~~
gondola.cpp:64:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int i = 0;i < g.size(); i++) {
                   ~~^~~~~~~~~~
gondola.cpp:39:7: warning: unused variable 'c' [-Wunused-variable]
  bool c = valid(n1,gondolaSeq);
       ^
gondola.cpp:63:6: warning: unused variable 'mx' [-Wunused-variable]
  int mx = v.back() + 1;
      ^~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 19 ms 2688 KB Output is correct
7 Correct 19 ms 1408 KB Output is correct
8 Correct 29 ms 4608 KB Output is correct
9 Correct 13 ms 1792 KB Output is correct
10 Correct 34 ms 5368 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 18 ms 2688 KB Output is correct
7 Correct 19 ms 1408 KB Output is correct
8 Correct 31 ms 4608 KB Output is correct
9 Correct 12 ms 1792 KB Output is correct
10 Correct 33 ms 5248 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 12 ms 896 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 19 ms 1408 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 12544 KB Output is correct
2 Correct 12 ms 12544 KB Output is correct
3 Correct 11 ms 12544 KB Output is correct
4 Correct 11 ms 12544 KB Output is correct
5 Correct 11 ms 12544 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 12544 KB Output is correct
2 Correct 11 ms 12544 KB Output is correct
3 Correct 11 ms 12544 KB Output is correct
4 Correct 11 ms 12672 KB Output is correct
5 Correct 11 ms 12544 KB Output is correct
6 Correct 11 ms 12544 KB Output is correct
7 Correct 11 ms 12672 KB Output is correct
8 Correct 11 ms 12672 KB Output is correct
9 Correct 11 ms 12672 KB Output is correct
10 Correct 12 ms 12544 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 12544 KB Output is correct
2 Correct 11 ms 12544 KB Output is correct
3 Correct 11 ms 12544 KB Output is correct
4 Correct 11 ms 12544 KB Output is correct
5 Correct 12 ms 12544 KB Output is correct
6 Correct 10 ms 12544 KB Output is correct
7 Correct 12 ms 12672 KB Output is correct
8 Correct 11 ms 12544 KB Output is correct
9 Correct 11 ms 12672 KB Output is correct
10 Correct 11 ms 12544 KB Output is correct
11 Correct 37 ms 17272 KB Output is correct
12 Correct 43 ms 18040 KB Output is correct
13 Correct 39 ms 13856 KB Output is correct
14 Correct 40 ms 17272 KB Output is correct
15 Correct 39 ms 13924 KB Output is correct

Subtask #7
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -