답안 #1002669

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1002669	2024-06-19T17:46:07 Z	codexistent	곤돌라 (IOI14_gondola)	C++14	100 / 100	59 ms	6148 KB

gondola

#include <bits/stdc++.h>
#include <gondola.h>
using namespace std;
#define MOD 1000000009
#define ll long long
#define FOR(i, a, b) for(int i = a; i <= b; i++)
 
int diff(int n, int a, int b){
    if(b >= a) return b - a;
    else return (n - a) + b;
}
 
ll pwr(ll b, ll exp){
    if(exp == 0) return 1;
    if(exp == 1) return b;
    ll x = pwr(b, exp / 2) % MOD;
    return (((x * x) % MOD) * ((exp % 2 == 0) ? 1 : b)) % MOD;
}
 
int valid(int n, int inputSeq[]){
    pair<int, int> prev = make_pair(-1, 0);
    set<int> s;
    FOR(i, 0, n - 1){
        if(inputSeq[i] <= n){
            if(prev.first == -1){
                prev = make_pair(i, inputSeq[i]);
            }else{
                if((((prev.second + diff(n, prev.first, i)) % n) == 0 ? n : ((prev.second + diff(n, prev.first, i)) % n)) != inputSeq[i]) return 0;
                prev = make_pair(i, inputSeq[i]);
            }
        }else{
            if(s.find(inputSeq[i]) != s.end()) return 0;
            s.insert(inputSeq[i]);
        }
    }
 
    return 1;
}
 
int replacement(int n, int gondolaSeq[], int replacementSeq[]){
    int idx = -1, mx = -1;
    vector<pair<int, int> > v;
    FOR(i, 0, n - 1){
        if(gondolaSeq[i] <= n){
            idx = gondolaSeq[i] - i;
            if(idx <= 0) idx += n;
        }else{
            v.push_back(make_pair(gondolaSeq[i], i));
        }
        mx = max(mx, gondolaSeq[i]);
    }
    sort(v.begin(), v.end());
 
    if(idx == -1) idx = 1;
 
    set<int> s;
    FOR(i, 0, (int)(v.size() - 2)) {
        s.insert(v[i].first);
        replacementSeq[v[i].first - n - 1] = ((idx + v[i].second) % n == 0) ? n : ((idx + v[i].second) % n);
    }
 
    if(v.size()){
        int prev = ((idx + v[v.size() - 1].second) % n == 0) ? n : ((idx + v[v.size() - 1].second) % n);
        FOR(i, n + 1, mx) {
            if(s.find(i) == s.end()) {
                replacementSeq[i - (n + 1)] = prev;
                prev = i;
            }
        }
    }
    return mx - n;
}
 
int countReplacement(int n, int inputSeq[]){
    if(!valid(n, inputSeq)) return 0;
    ll r = 1;
    int c = 0, mx = -1;
    set<int> s;
    bool fct = true;
    FOR(i, 0, n - 1){
        if(inputSeq[i] <= n) fct = false;
        else{
            c++, s.insert(inputSeq[i]);
        }
        mx = max(mx, inputSeq[i]);
    }
 
    int c2 = 0;
    ll k = n;
    for(int k2 : s){
        r = (r * pwr(c - c2, k2 - k - 1)) % MOD;
        k = k2, c2++;
    }
    if(fct){
        r = (r * (ll)(n)) % MOD;
    }
    return r;
}

Subtask #1
5.0 / 5.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Correct	344 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	444 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	3 ms	604 KB	Output is correct
7	Correct	6 ms	1112 KB	Output is correct
8	Correct	6 ms	1080 KB	Output is correct
9	Correct	2 ms	604 KB	Output is correct
10	Correct	5 ms	1116 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	600 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	3 ms	604 KB	Output is correct
7	Correct	5 ms	1288 KB	Output is correct
8	Correct	5 ms	1132 KB	Output is correct
9	Correct	2 ms	604 KB	Output is correct
10	Correct	5 ms	1008 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	3 ms	708 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	6 ms	1112 KB	Output is correct

Subtask #4
5.0 / 5.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	440 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct

Subtask #5
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct

Subtask #6
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	1 ms	348 KB	Output is correct
10	Correct	1 ms	348 KB	Output is correct
11	Correct	5 ms	1116 KB	Output is correct
12	Correct	6 ms	1144 KB	Output is correct
13	Correct	17 ms	2788 KB	Output is correct
14	Correct	5 ms	1148 KB	Output is correct
15	Correct	16 ms	3156 KB	Output is correct

Subtask #7
5.0 / 5.0

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct

Subtask #8
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	444 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	604 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct

Subtask #9
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	444 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	34 ms	3684 KB	Output is correct
10	Correct	25 ms	3052 KB	Output is correct
11	Correct	11 ms	1628 KB	Output is correct
12	Correct	14 ms	1848 KB	Output is correct
13	Correct	3 ms	604 KB	Output is correct

Subtask #10
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	440 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	34 ms	3676 KB	Output is correct
10	Correct	25 ms	3080 KB	Output is correct
11	Correct	11 ms	1624 KB	Output is correct
12	Correct	13 ms	1972 KB	Output is correct
13	Correct	3 ms	604 KB	Output is correct
14	Correct	52 ms	5328 KB	Output is correct
15	Correct	59 ms	6148 KB	Output is correct
16	Correct	8 ms	1372 KB	Output is correct
17	Correct	38 ms	4084 KB	Output is correct
18	Correct	20 ms	2396 KB	Output is correct

답안 #1002669

Compilation message