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Submission #52098

# Submission time Handle Problem Language Result Execution time Memory
52098 2018-06-23T22:16:09 Z spencercompton Gondola (IOI14_gondola) C++17
25 / 100
 48 ms 4988 KB 
#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;

int valid(int n, int inputSeq[])
{
	set<int> ss;
	for(int i = 0; i<n; i++){
		ss.insert(inputSeq[i]);
	}
	if(ss.size()!=n){
		return 0;
	}
	pair<int, int> first;
	first.first = n+1;
	first.second = -1;
	for(int i = 0; i<n; i++){
		if(inputSeq[i]<first.first){
			first.first = inputSeq[i];
			first.second = i;
		}
	}
	if(first.second==-1){
		return 1;
	}
	int pos = first.second;
	for(int i = 0; i<n; i++){
		if(inputSeq[i]<=n && i!=((first.second+inputSeq[i]-first.first)%n)){
			return 0;
		}
	}
	return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
	pair<int, int> first;
	first.first = n+1;
	first.second = -1;
	for(int i = 0; i<n; i++){
		if(gondolaSeq[i]<first.first){
			first.first = gondolaSeq[i];
			first.second = i;
		}
	}
	if(first.second==-1){
		first.first = 1;
		first.second = 0;
	}
	int cur[n];
	for(int i = 1; i<=n; i++){
		int pos = (i-first.first+first.second+n+n)%n;
		cur[pos] = i;
	}
	vector<pair<int, int> > final;
	for(int i = 0; i<n; i++){
		final.push_back(make_pair(gondolaSeq[i],i));
	}
	int point = n+1;
	int p = 0;
	for(int i = 0; i<n; i++){
		while(point<=final[i].first){
			replacementSeq[p++] = cur[final[i].second];
			cur[final[i].second] = point++;
		}
	}
	return p;
}

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

int countReplacement(int n, int inputSeq[])
{
  return -3;
}

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:11:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(ss.size()!=n){
     ~~~~~~~~~^~~
gondola.cpp:26:6: warning: unused variable 'pos' [-Wunused-variable]
  int pos = first.second;
      ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 468 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 468 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 2 ms 512 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 20 ms 2304 KB Output is correct
7 Correct 37 ms 3840 KB Output is correct
8 Correct 28 ms 4096 KB Output is correct
9 Correct 11 ms 4096 KB Output is correct
10 Correct 34 ms 4744 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4744 KB Output is correct
2 Correct 2 ms 4744 KB Output is correct
3 Correct 2 ms 4744 KB Output is correct
4 Correct 2 ms 4744 KB Output is correct
5 Correct 2 ms 4744 KB Output is correct
6 Correct 16 ms 4744 KB Output is correct
7 Correct 37 ms 4744 KB Output is correct
8 Correct 28 ms 4744 KB Output is correct
9 Correct 9 ms 4744 KB Output is correct
10 Correct 35 ms 4816 KB Output is correct
11 Correct 2 ms 4816 KB Output is correct
12 Correct 2 ms 4816 KB Output is correct
13 Correct 20 ms 4816 KB Output is correct
14 Correct 2 ms 4816 KB Output is correct
15 Correct 48 ms 4988 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4988 KB Output is correct
2 Correct 2 ms 4988 KB Output is correct
3 Correct 2 ms 4988 KB Output is correct
4 Correct 2 ms 4988 KB Output is correct
5 Correct 2 ms 4988 KB Output is correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4988 KB Output is correct
2 Correct 2 ms 4988 KB Output is correct
3 Correct 3 ms 4988 KB Output is correct
4 Correct 2 ms 4988 KB Output is correct
5 Correct 2 ms 4988 KB Output is correct
6 Correct 2 ms 4988 KB Output is correct
7 Incorrect 2 ms 4988 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4988 KB Output is correct
2 Correct 2 ms 4988 KB Output is correct
3 Correct 2 ms 4988 KB Output is correct
4 Correct 1 ms 4988 KB Output is correct
5 Correct 2 ms 4988 KB Output is correct
6 Correct 2 ms 4988 KB Output is correct
7 Incorrect 3 ms 4988 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 4988 KB Integer -3 violates the range [0, 1000000008]
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 4988 KB Integer -3 violates the range [0, 1000000008]
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 4988 KB Integer -3 violates the range [0, 1000000008]
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 4988 KB Integer -3 violates the range [0, 1000000008]
2 Halted 0 ms 0 KB -