oj.uz

답안 #1034767

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1034767 2024-07-25T17:38:59 Z ArthuroWich 곤돌라 (IOI14_gondola) C++17
90 / 100
 1000 ms 5752 KB 
#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int valid(int n, int gondolaSeq[]) {
    int mi = INT_MAX, ind = -1;
    set<int> c;
    for (int i = 0; i < n; i++) {
        c.insert(gondolaSeq[i]);
        if (mi > gondolaSeq[i]) {
            mi = gondolaSeq[i];
            ind = i;
        }
    }
    if (c.size() < n) {
        return 0;
    }
    if (mi > n) {
        return 1;
    }
    ind -= (mi-1);
    ind += n;
    ind %= n;
    vector<int> a;
    for (int i = ind; i < n; i++) {
        a.push_back(gondolaSeq[i]);
    }
    for (int i = 0; i < ind; i++) {
        a.push_back(gondolaSeq[i]);
    }
    for (int i = 0; i < n; i++) {
        if (a[i] <= n && a[i] != i+1) {
            return 0;
        }
    }
    return 1;
}
int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
    int mi = INT_MAX, ind = -1, ma = 0;
    set<int> c;
    for (int i = 0; i < n; i++) {
        ma = max(ma, gondolaSeq[i]);
        c.insert(gondolaSeq[i]);
        if (mi > gondolaSeq[i]) {
            mi = gondolaSeq[i];
            ind = i;
        }
    }
    vector<pair<int, int>> num;
    if (ma <= n) {
        return 0;
    }
    if (mi > n) {
        for (int i = 0; i < n; i++) {
            num.push_back({gondolaSeq[i], i+1});
        }
        int l = 0;
        sort(num.begin(), num.end());
        l = num.back().first-n;
        for (int i = 0; i < l; i++) {
            replacementSeq[i] = num.back().second;
        }
        for (int i = 0; i < num.size(); i++) {
            replacementSeq[num[i].first-n-1] = num[i].second;
        }
        vector<int> ans(n+1, 0);
        for (int i = 1; i <= n; i++) {
            ans[i] = i;
        }
        for (int i = 0; i < l; i++) {
            int v = replacementSeq[i];
            replacementSeq[i] = ans[replacementSeq[i]];
            ans[v] = n+i+1;
        }
        return l;
    } else {
        ind -= (mi-1);
        ind += n;
        ind %= n;
        vector<int> a;
        for (int i = ind; i < n; i++) {
            a.push_back(gondolaSeq[i]);
        }
        for (int i = 0; i < ind; i++) {
            a.push_back(gondolaSeq[i]);
        }
        for (int i = 0; i < n; i++) {
            if (a[i] > n) {
               num.push_back({a[i], i+1});
            }
        }
        int l = 0;
        sort(num.begin(), num.end());
        l = num.back().first-n;
        for (int i = 0; i < l; i++) {
            replacementSeq[i] = num.back().second;
        }
        for (int i = 0; i < num.size(); i++) {
            replacementSeq[num[i].first-n-1] = num[i].second;
        }
        vector<int> ans(n+1, 0);
        for (int i = 1; i <= n; i++) {
            ans[i] = i;
        }
        for (int i = 0; i < l; i++) {
            int v = replacementSeq[i];
            replacementSeq[i] = ans[replacementSeq[i]];
            ans[v] = n+i+1;
        }
        return l;
    }
}
int countReplacement(int n, int gondolaSeq[]) {
    if (!valid(n, gondolaSeq)) {
        return 0;
    }
    vector<int> num;
    long long int ans = 1, mod = 1000000009;
    bool f = 0;
    for (int i = 0; i < n; i++) {
        if (gondolaSeq[i] > n) {
            num.push_back(gondolaSeq[i]);
        }
    }
    if (num.size() == n) {
        ans = num.size();
    }
    if (num.size() == 0) {
        return ans;
    }
    sort(num.rbegin(), num.rend());
    int l = n+1;
    while(num.size() > 0) {
        if (num.back() == l) {
            if (f) {
                ans *= num.size();
                ans %= mod;
            }
            num.pop_back();
            l++;
        } else {
            ans *= (long long int) num.size();
            ans %= mod;
            l++;
        }
    }
    return ans;
}

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:14:18: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   14 |     if (c.size() < n) {
      |         ~~~~~~~~~^~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:62:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |         for (int i = 0; i < num.size(); i++) {
      |                         ~~^~~~~~~~~~~~
gondola.cpp:97:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   97 |         for (int i = 0; i < num.size(); i++) {
      |                         ~~^~~~~~~~~~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:124:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  124 |     if (num.size() == n) {
      |         ~~~~~~~~~~~^~~~

Subtask #1
5.0 / 5.0

# 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 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# 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 348 KB Output is correct
5 Correct 0 ms 440 KB Output is correct
6 Correct 10 ms 2876 KB Output is correct
7 Correct 19 ms 4184 KB Output is correct
8 Correct 14 ms 5080 KB Output is correct
9 Correct 7 ms 1884 KB Output is correct
10 Correct 18 ms 5592 KB Output is correct

Subtask #3
10.0 / 10.0

# 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 440 KB Output is correct
5 Correct 1 ms 444 KB Output is correct
6 Correct 8 ms 2904 KB Output is correct
7 Correct 21 ms 4188 KB Output is correct
8 Correct 14 ms 5036 KB Output is correct
9 Correct 5 ms 1884 KB Output is correct
10 Correct 21 ms 5584 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 11 ms 2652 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 24 ms 5752 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 448 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #5
10.0 / 10.0

# 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 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 360 KB Output is correct
4 Correct 1 ms 440 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 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
11 Correct 14 ms 4816 KB Output is correct
12 Correct 17 ms 5464 KB Output is correct
13 Correct 15 ms 3168 KB Output is correct
14 Correct 15 ms 4700 KB Output is correct
15 Correct 15 ms 3084 KB Output is correct

Subtask #7
5.0 / 5.0

# 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

Subtask #8
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1 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 1 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 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 436 KB Output is correct
9 Correct 27 ms 5180 KB Output is correct
10 Correct 23 ms 4312 KB Output is correct
11 Correct 8 ms 1848 KB Output is correct
12 Correct 9 ms 2140 KB Output is correct
13 Correct 3 ms 604 KB Output is correct

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1 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 27 ms 5212 KB Output is correct
10 Correct 20 ms 4312 KB Output is correct
11 Correct 8 ms 1864 KB Output is correct
12 Correct 9 ms 2136 KB Output is correct
13 Correct 3 ms 604 KB Output is correct
14 Execution timed out 1097 ms 5320 KB Time limit exceeded
15 Halted 0 ms 0 KB -