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답안 #252160

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
252160 2020-07-24T12:26:31 Z Hehehe 곤돌라 (IOI14_gondola) C++14
75 / 100
 34 ms 2804 KB 
#include<bits/stdc++.h> //:3
using namespace std;
typedef long long ll;
#define all(a) (a).begin(), (a).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define rc(s) return cout<<s,0
#define pi pair <int, int>
#define sz(x) (int)((x).size())
#include "gondola.h"

const int dx[] = {0, 1, 0, -1};
const int dy[] = {1, 0, -1, 0};

const ll inf = 2e9;
const ll mod = 1e9 + 9;
const int N = 2e5 + 11;
const ll INF64 = 3e18 + 1;
const double eps = 1e-14;
const double PI = acos(-1);

//ifstream in(".in");
//ofstream out(".out");

int a[N];

ll poww(ll x, ll p){

    ll ans = 1;

    while(p){

        if(p % 2)ans*= x, ans %= mod;

        x = x*x % mod;

        p /= 2;
    }

    return (ans + mod) % mod;
}

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

    ll j = -1;

    for(int i = 0; i < n; i++){
        a[i] = x[i] - 1;
        if(a[i] >= n)continue;
        j = i;
    }

    for(int i = 0; i < n; i++){

        if(i == j)continue;

        ll diff = j - i;

        ll val = (a[j] - diff + n) % n;

        if(a[i] < n && a[i] != val)return 0;
    }

    sort(a, a + n);

    for(int i = 1; i < n; i++){
        if(a[i] == a[i - 1])return 0;
    }

    return 1;
}

int replacement(int n, int x[], int y[]){

    vector<pi>t;

    int j = 0;

    for(int i = 0; i < n; i++){
        if(x[i] > n){
            t.push_back({x[i], i});
        }else j = i;
    }

    if(sz(t) == n)x[0] = 1;

    sort(all(t));

    for(int i = 0; i < n; i++){

        if(i > j){
            int val = x[j] + (i - j);
            if(val > n)val -= n;
            x[i] = val;
        }else{
            int val = x[j] - (j - i);
            if(val < 1)val += n;
            x[i] = val;
        }
    }

    vector<ll>ans;

    ll k = n;
    for(int i = 0; i < sz(t); i++){
        int num = t[i].ff, idx = t[i].ss;

        ans.push_back(x[idx]);

        for(int j = k + 1; j < num; j++)ans.push_back(j);

        k = num;
    }

    for(int i = 0; i < sz(ans); i++)y[i] = ans[i];

    return sz(ans);
}


int countReplacement(int n, int x[]){

    bool X = valid(n, x);

    if(!X)return 0;

    ll ans = 1;

    vector<ll>t;
    for(int i = 1; i < n; i++){
        if(x[i] > n)t.push_back(x[i]);
    }

    sort(all(t));

    ll prev = n;
    for(int i = 0; i < sz(t); i++){

        ll pozitiiDisponibile = sz(t) - i;
        ll numereDisponibile = t[i] - 1 - prev;

        ans = (ans * poww(pozitiiDisponibile, numereDisponibile)) % mod;
        ans = (ans + mod) % mod;

        prev = t[i];
    }

    if(sz(t) == n){
        ans = (ans * n) % mod;
        ans = (ans + mod) % mod;
    }

    return ans;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 8 ms 640 KB Output is correct
7 Correct 13 ms 1024 KB Output is correct
8 Correct 13 ms 896 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 18 ms 1024 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 8 ms 640 KB Output is correct
7 Correct 13 ms 1024 KB Output is correct
8 Correct 13 ms 896 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 20 ms 1024 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 6 ms 640 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 14 ms 1024 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 384 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 508 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 508 KB Output is correct
11 Correct 13 ms 1152 KB Output is correct
12 Correct 14 ms 1280 KB Output is correct
13 Correct 17 ms 2040 KB Output is correct
14 Correct 11 ms 1024 KB Output is correct
15 Correct 34 ms 2804 KB Output is correct

Subtask #7
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct

Subtask #8
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 256 KB Output is correct

Subtask #9
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 24 ms 1532 KB Output is correct
10 Incorrect 19 ms 1404 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 24 ms 1532 KB Output is correct
10 Incorrect 20 ms 1404 KB Output isn't correct
11 Halted 0 ms 0 KB -