oj.uz

답안 #160677

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
160677 2019-10-29T09:51:55 Z GioChkhaidze 곤돌라 (IOI14_gondola) C++14
60 / 100
 31 ms 2296 KB 
#include <bits/stdc++.h>
#include "gondola.h"

#define F first
#define S second

using namespace std;

bool f[250003],F[250003];
int Gondol[250003];
pair < int , int > a[250003];

int valid(int n, int inputSeq[])
{
	int idx=-1;
	for (int i=0; i<n; i++) 
		if (!f[inputSeq[i]]) f[inputSeq[i]]=1;
			else return 0;
	
	for (int i=0; i<n; i++) 
		if (inputSeq[i]<=n) { idx=i; break; }
	
	if (idx==-1) return 1;
	
	int x=inputSeq[idx];
	for (int i=idx+1; ; i++) {
		x++;
		if (x>n) x-=n;
		if (i==n) i-=n;
		if (i==idx) break;
		if (inputSeq[i]<=n && inputSeq[i]!=x) return 0;
	}
		
  return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
	int l=0,M=0,idx=-1;
	for (int i=0; i<n; i++) 
		if (gondolaSeq[i]<=n) { idx=i; break; }
	
	for (int i=0; i<n; i++) 
		a[i].F=gondolaSeq[i],a[i].S=i;
	
	sort(a,a+n);
	
	if (idx==-1) { 
		for (int i=0; i<n; i++) 
			Gondol[i]=i+1;
	}
		else {
		int x=gondolaSeq[idx];
		Gondol[idx]=x;
		for (int i=idx+1; ; i++) {
			x++;
			if (x>n) x-=n;
			if (i==n) i-=n;
			if (i==idx) break;
			Gondol[i]=x;	
		}
	}
	
	int last=n;
	for (int i=0; i<n; i++) {
		if (a[i].F<=n) continue;
		int id=a[i].S;
		replacementSeq[l++]=Gondol[id];
		for (int j=last+1; j<a[i].F; j++) 
			replacementSeq[l++]=j;
		last=a[i].F;
	}
	return l;
}

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

int countReplacement(int n, int inputSeq[])
{
	if (!valid(n,inputSeq)) return 0;
	int k=0;
	
	for (int i=0; i<n; i++)
		if (inputSeq[i]>n) k++;
		
	if (k<=1) return 1;
	
	int l=0,M=0,idx=-1;
	for (int i=0; i<n; i++) 
		if (inputSeq[i]<=n) { idx=i; break; }
	
	for (int i=0; i<n; i++) 
		a[i].F=inputSeq[i],a[i].S=i;
	
	sort(a,a+n);
	
	if (idx==-1) { 
		for (int i=0; i<n; i++) 
			Gondol[i]=i+1;
	}
		else {
		int x=inputSeq[idx];
		Gondol[idx]=x;
		for (int i=idx+1; ; i++) {
			x++;
			if (x>n) x-=n;
			if (i==n) i-=n;
			if (i==idx) break;
			Gondol[i]=x;	
		}
	}
	
	long long mod=1e9+9;
	long long ANS=1;
	
	int last=n;
	for (int i=0; i<n; i++) {
		if (a[i].F<=n) continue;
		int id=a[i].S;
		ANS=(1LL*ANS*(a[i].F-last))%mod;
		last=a[i].F;
	}
	
	
  return ANS;
}

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:41:10: warning: unused variable 'M' [-Wunused-variable]
  int l=0,M=0,idx=-1;
          ^
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:121:7: warning: unused variable 'id' [-Wunused-variable]
   int id=a[i].S;
       ^~
gondola.cpp:90:6: warning: unused variable 'l' [-Wunused-variable]
  int l=0,M=0,idx=-1;
      ^
gondola.cpp:90:10: warning: unused variable 'M' [-Wunused-variable]
  int l=0,M=0,idx=-1;
          ^

Subtask #1
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
4 Correct 2 ms 376 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 256 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 7 ms 504 KB Output is correct
7 Correct 13 ms 760 KB Output is correct
8 Correct 11 ms 632 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 12 ms 760 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 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 7 ms 504 KB Output is correct
7 Correct 14 ms 748 KB Output is correct
8 Correct 11 ms 636 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 13 ms 760 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 7 ms 632 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 14 ms 760 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 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
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct

Subtask #6
20.0 / 20.0

# 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 3 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 14 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 436 KB Output is correct
11 Correct 31 ms 1528 KB Output is correct
12 Correct 17 ms 1784 KB Output is correct
13 Correct 18 ms 1528 KB Output is correct
14 Correct 14 ms 1528 KB Output is correct
15 Correct 24 ms 2296 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 376 KB Output is correct
3 Correct 2 ms 528 KB Output is correct

Subtask #8
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 504 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Incorrect 2 ms 376 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Incorrect 2 ms 376 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #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 504 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Incorrect 2 ms 376 KB Output isn't correct
6 Halted 0 ms 0 KB -