oj.uz

답안 #103752

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
103752 2019-04-02T12:40:02 Z SecretAgent007 곤돌라 (IOI14_gondola) C++17
75 / 100
 1000 ms 16888 KB 
#include "gondola.h"
#include <bits/stdc++.h>

using namespace std;

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

    int index = 0;
    int num = n;

    map< int, bool> visited;

    for(int i = 0; i < n; i++){
        if(visited[inputSeq[i]]) return 0;
        visited[inputSeq[i]] = true;
        if(inputSeq[i] <= num){
            num = inputSeq[i];
            index = i;
        }
    }

    int start = (index-num+1+n)%n;

    int curr = 1;

    for(int i = start; i < n; i++){
        if(inputSeq[i] <= n && inputSeq[i] != curr) return 0;
        curr++;
    }
    for(int j = 0; j < start; j++){
        if(inputSeq[j] <= n && inputSeq[j] != curr) return 0;
        curr++;
    }
    return 1;
}

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
    int index = 0;
    int num = n;

    int maxi = 0;

    for(int i = 0; i < n; i++){
        if(gondolaSeq[i] <= num){
            num = gondolaSeq[i];
            index = i;
        }
        maxi = max(maxi, gondolaSeq[i]);
    }

    int start = (index-num+1+n)%n;

    if(gondolaSeq[index] > n) start = 0;

    int curr = 1;

    map<int, int> mape;

    vector< int > current(n+1);

    for(int i = 1; i <= n; i++){
        current[i] = i;
    }

    int in;

    for(int i = start; i < n; i++){
        mape[gondolaSeq[i]] = curr;
        if(gondolaSeq[i] == maxi) in = curr;
        curr++;
    }
    for(int j = 0; j < start; j++){
        mape[gondolaSeq[j]] = curr;
        if(gondolaSeq[j] == maxi) in = curr;
        curr++;
    }

    int c = 0;

    for(int i = n+1; i <= maxi; i++){
        if(mape[i] != 0){
            replacementSeq[c] = current[mape[i]];
            current[mape[i]] = i;
        }else{
            replacementSeq[c] = current[in];
            current[in] = i;
        }
        c++;
    }

    return c;
}

int last;

vector< int > memo;
map<int, bool> visited;
vector< int > ve;

const int mod = 1e9+9;

int dp(int curr, int n){
    if(curr >= last){
        return 1;
    }
    if(memo[curr] != -1) return memo[curr];

    memo[curr] = 0;

    if(visited[curr]){
        return memo[curr] = dp(curr+1,n);
    }

    for(int i = 0; i < n; i++){
        if(ve[i] > curr){
            memo[curr] += dp(curr+1,n);
            memo[curr] %= mod;
        }
    }

    return memo[curr];
}

int countReplacement(int n, int inputSeq[]){
    if(!valid(n,inputSeq)) return 0;

    ve.resize(n);

    for(int i = 0; i < n; i++){
        last = max(last, inputSeq[i]);
        ve[i] = inputSeq[i];
        visited[inputSeq[i]] = true;
    }

    memo.resize(last+1,-1);

    return dp(n+1, n);
}
/*
int main(){
    int n;
    cin >> n;
    int v[n];
    int maxi = 0;
    for(int i = 0; i < n; i++){
        cin >> v[i];
        maxi = max(maxi, v[i]);
    }
    int ans[maxi-n];
    cout << replacement(n,v,ans) << endl;
    for(int a : ans){
        cout << a << ' ';
    }
    cout << endl;

    cout << "NUMBER " << countReplacement(n,v) << endl;
}*/

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:85:43: warning: 'in' may be used uninitialized in this function [-Wmaybe-uninitialized]
             replacementSeq[c] = current[in];
                                           ^

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 128 KB Output is correct
4 Correct 3 ms 256 KB Output is correct
5 Correct 3 ms 256 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 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 19 ms 2424 KB Output is correct
7 Correct 14 ms 1272 KB Output is correct
8 Correct 34 ms 4348 KB Output is correct
9 Correct 14 ms 1536 KB Output is correct
10 Correct 50 ms 4988 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 432 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 3 ms 256 KB Output is correct
6 Correct 18 ms 2432 KB Output is correct
7 Correct 21 ms 1144 KB Output is correct
8 Correct 41 ms 4352 KB Output is correct
9 Correct 12 ms 1604 KB Output is correct
10 Correct 53 ms 4968 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 428 KB Output is correct
13 Correct 28 ms 2328 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 77 ms 5112 KB Output is correct

Subtask #4
5.0 / 5.0

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

Subtask #5
10.0 / 10.0

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

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 300 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 256 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 4 ms 640 KB Output is correct
9 Correct 2 ms 484 KB Output is correct
10 Correct 3 ms 640 KB Output is correct
11 Correct 34 ms 5112 KB Output is correct
12 Correct 44 ms 5752 KB Output is correct
13 Correct 47 ms 4848 KB Output is correct
14 Correct 37 ms 4984 KB Output is correct
15 Correct 71 ms 10232 KB Output is correct

Subtask #7
5.0 / 5.0

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

Subtask #8
15.0 / 15.0

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

Subtask #9
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 3 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Execution timed out 1044 ms 16888 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 384 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 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Execution timed out 1062 ms 16860 KB Time limit exceeded
10 Halted 0 ms 0 KB -