Submission #1108632

# Submission time Handle Problem Language Result Execution time Memory
1108632 2024-11-04T17:00:12 Z Ariadna Gondola (IOI14_gondola) C++14
55 / 100
18 ms 5216 KB
#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;

int valid(int n, int inputSeq[]) {
    unordered_map<int, int> cnt;
    for (int i = 0; i < n; ++i) cnt[inputSeq[i]]++;
    if ((int)cnt.size() < n) return 0;
    
    for (int i = 1; inputSeq[0]+i <= n; ++i) {
        if (inputSeq[i] <= n && inputSeq[i] != inputSeq[0]+i) return 0;
    }
    
    for (int i = 1; inputSeq[0]-i > 0; ++i) {
        if (inputSeq[n-i] <= n && inputSeq[n-i] != inputSeq[0]-i) return 0;
    }
    return 1;
}

int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
    vector<int> gondola(n);
    int idx = -1;
    for (int i = 0; i < n; ++i) {
        if (gondolaSeq[i] <= n) {
            gondola[i] = gondolaSeq[i];
            idx = i;
            break;
        }
    }
    if (idx == -1) {
        for (int i = 0; i < n; ++i) gondola[i] = i+1;
    } else {
        for (int i = 1; gondola[idx]+i <= n; ++i) {
            gondola[(idx+i)%n] = gondola[idx]+i;
        }
        for (int i = 1; gondola[idx]-i > 0; ++i) {
            gondola[(idx-i+n)%n] = gondola[idx]-i;
        }
    }
    
    vector<pair<int, int>> replacements;
    replacements.reserve(n);
    for (int i = 0; i < n; ++i) {
        if (gondolaSeq[i] != gondola[i]) replacements.push_back({gondolaSeq[i], gondola[i]});
    }

    sort(replacements.begin(), replacements.end());
    int l = 0, new_gondola = n+1;
    for (pair<int, int> p: replacements) {
        while (p.first > new_gondola) {
            replacementSeq[l] = p.second;
            p.second = new_gondola;
            ++new_gondola; ++l;
        } 
        replacementSeq[l] = p.second;
        ++new_gondola;
        ++l;
    }
    return l;
}

int countReplacement(int n, int inputSeq[]) {
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 0 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 5 ms 1964 KB Output is correct
7 Correct 13 ms 3424 KB Output is correct
8 Correct 10 ms 3424 KB Output is correct
9 Correct 4 ms 1616 KB Output is correct
10 Correct 12 ms 3936 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 9 ms 1964 KB Output is correct
7 Correct 16 ms 3424 KB Output is correct
8 Correct 11 ms 3424 KB Output is correct
9 Correct 4 ms 1616 KB Output is correct
10 Correct 11 ms 3996 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 7 ms 1964 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 18 ms 5216 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 0 ms 592 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 2 ms 592 KB Output is correct
10 Correct 1 ms 368 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 8 ms 1360 KB Output is correct
12 Correct 7 ms 1616 KB Output is correct
13 Correct 10 ms 1432 KB Output is correct
14 Correct 7 ms 1360 KB Output is correct
15 Correct 13 ms 2232 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 504 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -