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Submission #111177

# Submission time Handle Problem Language Result Execution time Memory
111177 2019-05-14T01:59:05 Z IVIosab Gondola (IOI14_gondola) C++17
60 / 100
 26 ms 2424 KB 
#include <bits/stdc++.h>
#include "gondola.h"

using namespace std;
int MOD = 1e9 + 9;

long long fast_power(long long base, long long power) {
    long long result = 1;
    while (power > 0) {
        if (power % 2 == 1) {
            result = (result * base) % MOD;
        }
        base = (base * base) % MOD;
        power = power / 2;
    }
    return result;
}

int mp[250005];

int valid(int n, int inputSeq[]) {
    int fx = 0, ind = 0, val = 0;
    for (int i = 0; i < n; i++) {
        int x = inputSeq[i];
        if (mp[x] == 1) {
            return 0;
        }
        mp[x] = 1;
        if (x > n) {
            fx++;
        }
        if (x <= n) {
            ind = i;
            val = x;
        }
    }
    if (fx == n) {
        return 1;
    }
    for (int i = ind; i < ind + n; i++) {
        int x = inputSeq[i % n];
        if (x > n) {
            inputSeq[i % n] = val;
        } else {
            if (x != val) {
                return 0;
            }
        }
        val++;
        if (val > n) {
            val = 1;
        }
    }
    return 1;
}

int ar[250005];

int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
    int mx = 0;
    int ind = -1, val = 0;
    for (int i = 0; i < n; i++) {
        int x = gondolaSeq[i];
        mx = max(mx, x);
        if (x <= n) {
            val = x;
            ind = i;
        }
    }
    if (ind == -1) {
        ind = 0;
        val = 1;
    }
    for (int i = ind; i < ind + n; i++) {
        ar[i % n] = val;
        val++;
        if (val > n) {
            val = 1;
        }
    }
    int hg = n + 1;
    priority_queue<pair<int, int>> pq;
    for (int i = 0; i < n; i++) {
        if (gondolaSeq[i] > n)
            pq.push({(-1) * gondolaSeq[i], ar[i]});
    }
    int cnt = 0;
    while (!pq.empty()) {
        pair<int, int> pr = pq.top();
        pq.pop();
        replacementSeq[cnt] = pr.second;
        cnt++;
        for (hg; hg < pr.first * (-1); hg++) {
            replacementSeq[cnt] = hg;
            cnt++;
        }
        hg++;
    }
    return cnt;
}

int countReplacement(int n, int inputSeq[]) {
    int mx = 0,mn=1e9+5;
    long long ret = 1;
    vector<int> flex;
    flex.push_back(-1);
    int fx = 0;
    for (int i = 0; i < n; i++) {
        int x = inputSeq[i];
        mx = max(mx, x);
        mn = min(mn, x);
        if (x > n) {
            fx++;
            flex.push_back(x - n);
        }
    }
    int val = valid(n, inputSeq);
    if (val) {
        if (mx == n) {
            return 1;
        }
    } else {
        return 0;
    }
    int mul = flex.size() - 1;
    sort(flex.begin(), flex.end());
    for (int i = 1; i < flex.size(); i++) {
        int x = flex[i - 1] + 1;
        ret *= fast_power(mul, ((flex[i] - x) - 1));
        ret %= MOD;
    }
    return ret % MOD;
}

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:93:16: warning: statement has no effect [-Wunused-value]
         for (hg; hg < pr.first * (-1); hg++) {
                ^
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:127:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 1; i < flex.size(); i++) {
                     ~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 7 ms 896 KB Output is correct
7 Correct 12 ms 1508 KB Output is correct
8 Correct 11 ms 1280 KB Output is correct
9 Correct 6 ms 640 KB Output is correct
10 Correct 26 ms 1536 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 7 ms 896 KB Output is correct
7 Correct 13 ms 1408 KB Output is correct
8 Correct 13 ms 1280 KB Output is correct
9 Correct 7 ms 640 KB Output is correct
10 Correct 13 ms 1408 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 8 ms 1536 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 15 ms 1540 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 12 ms 1408 KB Output is correct
12 Correct 18 ms 1536 KB Output is correct
13 Correct 20 ms 1680 KB Output is correct
14 Correct 12 ms 1408 KB Output is correct
15 Correct 21 ms 2424 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Incorrect 2 ms 384 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Incorrect 2 ms 384 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 284 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Incorrect 2 ms 384 KB Output isn't correct
6 Halted 0 ms 0 KB -