Submission #707861

#	Time	Username	Problem	Language	Result	Execution time	Memory
707861		ssense	Gondola (IOI14_gondola)	C++14	25 / 100	32 ms	4852 KiB

gondola

#include <bits/stdc++.h>
#include "gondola.h"
typedef long long  ll;
using namespace std;
#define vint vector<int>
/*int ceildiv(int one, int two) {if (one % two == 0) {return one / two;}else {return one / two + 1;}} int power(int n, int pow, int m) {if (pow == 0) return 1;if (pow % 2 == 0) {ll x = power(n, pow / 2, m);return (x * x) % m;}else return (power(n, pow - 1, m) * n) % m;} int gcd(int a, int b) { if (!b)return a; return gcd(b, a % b);} int factorial(int n, int mod) {if (n > 1)return (n * factorial(n - 1, mod)) % mod; else return 1;} int lcm(int a, int b) {return (a * b) / gcd(a, b);} vector<int> read(int n) {vector<int> a; for (int i = 0; i < n; i++) { int x; cin >> x; a.pb(x);} return a;}struct prefix_sum{vint pref;void build(vint a){pref.pb(0);for(int i = 0; i < a.size(); i++){pref.pb(pref.back()+a[i]);}}int get(int l, int r){return pref[r]-pref[l-1];}};//mesanu
*/
int valid(int n, int inputSeq[])
{
    set<int> s;
    int dif = -1;
    for(int i = 0; i < n; i++)
    {
        if(inputSeq[i] <= n)
        {
            if(dif == -1)
            {
                dif = (inputSeq[i]-(i+1)+n)%n;
            }
            if((inputSeq[i]-(i+1)+n)%n != dif)
            {
                return 0;
            }
        }
        if(s.count(inputSeq[i]))
        {
            return 0;
        }
        s.insert(inputSeq[i]);
    }
    return 1;
}
 
int replacement(int n, int gondolaSeq[], int ans[])
{
    vector<pair<int, int>> to_replace;
    /*
    for(int i = 0; i < n; i++)
    {
        gondolaSeq[i]--;
    }
     */
    for(int i = 0; i < n; i++)
    {
        if(gondolaSeq[i] <= n)
        {
            for(int j = 1; j < n; j++)
            {
                if(gondolaSeq[(i+j)%n] > n)
                {
                    to_replace.push_back({gondolaSeq[(i+j)%n], (gondolaSeq[i]+j-1)%n+1});
                }
            }
            break;
        }
    }
    sort(to_replace.begin(), to_replace.end());
    int count = 0;
    for(auto x : to_replace)
    {
        while(x.second != x.first)
        {
            ans[count] = x.second;
            x.second = n+1+count;
            count++;
        }
    }
    return count;
}
 
int countReplacement(int n, int inputSeq[])
{
    return 0;
}
 
/*
int32_t main(){
    int n;
    cin >> n;
    int a[n];
    for(int i = 0; i < n; i++)
    {
        cin >> a[i];
    }
    int b[n];
    cout << replacement(n, a, &b);
}
*/

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10