oj.uz

Submission #1017428

# Submission time Handle Problem Language Result Execution time Memory
1017428 2024-07-09T07:54:11 Z n3rm1n Gondola (IOI14_gondola) C++17
20 / 100
 12 ms 1628 KB 
#include <bits/stdc++.h>
#include "gondola.h"
#define endl '\n'
using namespace std;
const int MAXN = 3e5 + 10;
int seen[MAXN];
int valid(int n, int inputSeq[])
{
    int cnt = 0;
    int minim = 1e9;
    int minn = 1e9, maxx = 0;
    for (int i = 0; i < n; ++ i)
    {
        if(seen[inputSeq[i]])return 0;
        if(inputSeq[i] <= n)cnt ++;
        else
        {
            minn = min(minn, inputSeq[i]);
            maxx = max(maxx, inputSeq[i]);
        }
        minim = min(minim, inputSeq[i]);
        seen[inputSeq[i]] = 1;
    }
    int left = n - cnt;
    //cout << left << " " << minn << " " << maxx << endl;
    if(left != 0 && !(minn == n+1 && maxx == minn + left - 1))
        return 0;

    //cout << "here " << endl;
    int seenit = 0, expected = minim;
    int onpoint = n+1;
    for (int i = 0; i < n; ++ i)
    {
        if(inputSeq[i] == minim)
            seenit = 1;
        if(!seenit)continue;
        if(inputSeq[i] > n)
        {
            expected ++;
        }
        else if(inputSeq[i] != expected)
        {
            return 0;
        }
        else expected ++;
    }
    for (int i = 0; i < n; ++ i)
    {
        if(inputSeq[i] == minim)
            break;

        if(inputSeq[i] > n)
        {
            expected ++;
        }
        else if(inputSeq[i] != expected)
        {
            return 0;
        }
        else expected ++;
    }
   return 1;
}
int place[MAXN];
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
    int len = 0;
    int minim = 1e9, minim_index = 0;
    for (int i = 0; i < n; ++ i)
    {
        place[gondolaSeq[i]] = i;
        if(gondolaSeq[i] > n)len ++;
        if(gondolaSeq[i] <= n && minim > gondolaSeq[i])
        {
            minim = gondolaSeq[i];
            minim_index = i;
        }
    }
    if(minim == 1e9)
    {
        for (int i = n+1; i <= 2*n; ++ i)
        {
            replacementSeq[i - n - 1] = place[i] + 1;
        }
        return len;
    }
    int expected = 1;
    int starter = minim_index - (minim - 1) + n;
   //cout << starter << endl;
    int id = 0;
    for (int i = starter; i < n; ++ i)
    {
        if(gondolaSeq[i] != expected && gondolaSeq[i] >= n)
            replacementSeq[gondolaSeq[i] - n - 1] = expected;
        expected ++;
    }
    for (int i = 0; i < starter; ++ i)
    {
        if(gondolaSeq[i] != expected && gondolaSeq[i] >= n)
            replacementSeq[gondolaSeq[i] - n - 1] = expected;
        expected ++;
    }
    return len;
}
int countReplacement(int n, int inputSeq[])
{
    return 0;
}

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:31:9: warning: unused variable 'onpoint' [-Wunused-variable]
   31 |     int onpoint = n+1;
      |         ^~~~~~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:90:9: warning: unused variable 'id' [-Wunused-variable]
   90 |     int id = 0;
      |         ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 448 KB Output is correct
5 Correct 1 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 3 ms 824 KB Output is correct
7 Correct 6 ms 1392 KB Output is correct
8 Correct 5 ms 1372 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 5 ms 1372 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 6 ms 1628 KB Output is correct
8 Correct 8 ms 1332 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 6 ms 1372 KB Output is correct
11 Correct 0 ms 360 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 3 ms 1524 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 12 ms 1624 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 600 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -