oj.uz

답안 #238251

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
238251 2020-06-10T13:11:34 Z nicolaalexandra 곤돌라 (IOI14_gondola) C++14
100 / 100
 75 ms 5496 KB 
#include <bits/stdc++.h>
#include "gondola.h"
#define DIM 100010
#define MOD 1000000009
using namespace std;

map <int,int> f;
pair <int,int> w[DIM];
int sol[DIM],a[DIM];

int get_next (int val, int n){
    if (val == n)
        return 1;
    return val+1;
}
int get_ant (int val, int n){
    if (val == 1)
        return n;
    return val-1;
}

inline int cmp (pair<int,int> a, pair<int,int> b){
    return a.second < b.second;
}

int lg_put (int a, int b){
    if (!b)
        return 1;
    int nr = lg_put (a,b/2);
    if (b%2)
        return 1LL*(1LL * nr * nr % MOD) * a % MOD;
    else return (1LL * nr * nr % MOD);
}

int valid (int n, int v[]){
    int i, poz = -1;

    for (i=0;i<n;i++){
        f[v[i]]++;
        if (f[v[i]] >= 2)
            return 0;
    }

    for (i=0;i<n;i++)
        if (v[i] <= n){
            poz = i;
            break;
        }

    if (poz == -1)
        return 1;

    int val = v[poz];
    for (i=poz+1;i<n;i++){
        val = get_next (val,n);
        if (v[i] <= n && v[i] != val)
            return 0;
    }

    val = v[poz];
    for (i=poz-1;i>=0;i--){
        val = get_ant (val,n);
        if (v[i] <= n && v[i] != val)
            return 0;
    }

    return 1;

}



int replacement (int n, int v[], int replacementSeq[]){
    int i, poz = -1, k = 0;
    for (i=0;i<n;i++)
        if (v[i] <= n){
            poz = i;
            break;
        }

    /// if (poz == -1) ???

    int val = v[poz];
    for (i=poz+1;i<n;i++){
        val = get_next (val,n);
        if (v[i] > n)
            w[++k] = make_pair(val,v[i]);
    }

    val = v[poz];
    for (i=poz-1;i>=0;i--){
        val = get_ant (val,n);
        if (v[i] > n)
            w[++k] = make_pair(val,v[i]);
    }

    sort (w+1,w+k+1,cmp);
    int last = n+1, el = 0;

    for (i=1;i<=k;i++){

        replacementSeq[el++] = w[i].first;

        while (last <= w[i].second){
            if (last < w[i].second)
                replacementSeq[el++] = last;
            last++;
        }

    }
    return el;
}
int countReplacement(int n, int v[]){
    if (!valid(n,v))
        return 0;

    int i, k = 0;
    for (i=0;i<n;i++){
        if (v[i] > n)
            a[++k] = v[i];
    }

    sort (a+1,a+k+1);
    a[0] = n;

    long long sol = 1;
    for (i=1;i<=k;i++)
        sol = sol * lg_put (k-i+1,a[i]-a[i-1]-1) % MOD;

    if (k == n)
        sol = sol * n % MOD;

    return sol;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 512 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 4 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 18 ms 2304 KB Output is correct
7 Correct 17 ms 768 KB Output is correct
8 Correct 33 ms 3960 KB Output is correct
9 Correct 13 ms 1536 KB Output is correct
10 Correct 39 ms 4600 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 19 ms 2304 KB Output is correct
7 Correct 16 ms 768 KB Output is correct
8 Correct 32 ms 3968 KB Output is correct
9 Correct 12 ms 1536 KB Output is correct
10 Correct 39 ms 4600 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 23 ms 2176 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 53 ms 4728 KB Output is correct

Subtask #4
5.0 / 5.0

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

Subtask #5
10.0 / 10.0

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

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 15 ms 640 KB Output is correct
12 Correct 17 ms 816 KB Output is correct
13 Correct 21 ms 1408 KB Output is correct
14 Correct 16 ms 640 KB Output is correct
15 Correct 26 ms 2296 KB Output is correct

Subtask #7
5.0 / 5.0

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

Subtask #8
15.0 / 15.0

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

Subtask #9
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 74 ms 4216 KB Output is correct
10 Correct 50 ms 3704 KB Output is correct
11 Correct 18 ms 1536 KB Output is correct
12 Correct 21 ms 1792 KB Output is correct
13 Correct 8 ms 640 KB Output is correct

Subtask #10
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 61 ms 4344 KB Output is correct
10 Correct 42 ms 3576 KB Output is correct
11 Correct 20 ms 1568 KB Output is correct
12 Correct 22 ms 1792 KB Output is correct
13 Correct 8 ms 768 KB Output is correct
14 Correct 63 ms 4856 KB Output is correct
15 Correct 75 ms 5496 KB Output is correct
16 Correct 15 ms 1280 KB Output is correct
17 Correct 47 ms 3832 KB Output is correct
18 Correct 29 ms 2304 KB Output is correct