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Submission #261240

# Submission time Handle Problem Language Result Execution time Memory
261240 2020-08-11T15:15:31 Z A02 Gondola (IOI14_gondola) C++14
10 / 100
 14 ms 2432 KB 
#include "gondola.h"
#include <algorithm>
#include <set>
#include <iostream>
#include <vector>

using namespace std;

int valid(int n, int inputSeq[])
{

    vector<int> occurences (250001, 0);
    vector<int> index (n + 1, -1);


    for (int i = 0; i < n; i++){
        occurences[inputSeq[i]]++;
        if (inputSeq[i] <= n){
            //cout << i << ' ' << reduced_sequence[i] << endl;
            index[inputSeq[i]] = i;
        }
    }

    for (int i = 0; i < occurences.size(); i++){
        if (occurences[i] > 1){
            return 0;
        }
    }

    int lowest_g;
    for (int i = 0; i < n; i++){
        if (index[i] != -1){
            lowest_g = i;
            break;
        }
    }

    for (int i = lowest_g; i < n; i++){
        if (index[i] != -1){
            //cout << i << ' ' << index[i] << endl;
            if ((index[lowest_g] + i - lowest_g) % n != index[i]){
                return 0;
            }
        }
    }

    return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  return -2;
}

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

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

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:24:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < occurences.size(); i++){
                     ~~^~~~~~~~~~~~~~~~~~~
gondola.cpp:30:9: warning: 'lowest_g' may be used uninitialized in this function [-Wmaybe-uninitialized]
     int lowest_g;
         ^~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1280 KB Output is correct
2 Correct 2 ms 1280 KB Output is correct
3 Correct 1 ms 1280 KB Output is correct
4 Correct 1 ms 1280 KB Output is correct
5 Correct 1 ms 1280 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1280 KB Output is correct
2 Correct 2 ms 1280 KB Output is correct
3 Correct 2 ms 1280 KB Output is correct
4 Correct 1 ms 1280 KB Output is correct
5 Correct 2 ms 1280 KB Output is correct
6 Correct 7 ms 1792 KB Output is correct
7 Correct 14 ms 2424 KB Output is correct
8 Correct 12 ms 2304 KB Output is correct
9 Correct 5 ms 1664 KB Output is correct
10 Correct 13 ms 2432 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1280 KB Output is correct
2 Correct 2 ms 1312 KB Output is correct
3 Correct 1 ms 1280 KB Output is correct
4 Correct 2 ms 1280 KB Output is correct
5 Correct 2 ms 1280 KB Output is correct
6 Correct 7 ms 1920 KB Output is correct
7 Correct 14 ms 2432 KB Output is correct
8 Correct 11 ms 2304 KB Output is correct
9 Correct 5 ms 1664 KB Output is correct
10 Correct 13 ms 2432 KB Output is correct
11 Correct 1 ms 1280 KB Output is correct
12 Incorrect 1 ms 1280 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Integer -2 violates the range [0, 350000]
2 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 256 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 1 ms 384 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 1 ms 384 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 1 ms 256 KB Integer -3 violates the range [0, 1000000008]
2 Halted 0 ms 0 KB -