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Submission #668920

# Submission time Handle Problem Language Result Execution time Memory
668920 2022-12-05T07:55:54 Z mychecksedad The Collection Game (BOI21_swaps) C++17
27 / 100
 119 ms 508 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
const int M = 505;

void schedule(int, int);

vector<int> visit();

void answer(std::vector<int>);

int n;
bitset<M> is[M];
vector<bool> used(n+1);
pair<int, int> c[M];

int find_next(int i){
    for(int j = 1; j <= n; ++j){
        if(i!=j && !is[i][j] && !used[j]){
            is[i][j] = 1;
            is[j][i] = 1;
            return j;
        }
    }
    return -1;
}

void solve(int NN, int V){
    n = NN;
    if(V < 1000){
        for(int i = 0; i < n; ++i){
            int k = 1;
            if(i % 2){
                k = 2;
            }
            vector<array<int, 2>> v;
            for(int i = k; i < n; i += 2){
                schedule(i, i + 1);
            }
        }

        vector<int> a;
        for(int i = 1; i <= n; ++i) a.pb(i);
        answer(a);
        return;
    }
    for(int i = 1; i <= n; ++i) c[i] = {0, i};
    bool ok = 1;
    for(; ok; ){
        used.clear();
        used.resize(n+1);
        vector<array<int, 2>> v;
        ok = 0;
        for(int j = 1; j <= n; ++j){
            if(!used[j]){
                int nxt = find_next(j);
                if(nxt==-1){
                    continue;
                }
                ok = 1;
                used[nxt] = used[j] = 1;
                schedule(j, nxt);
                v.pb({j, nxt});
            }
        }
        if(!ok) break;
        vector<int> ans = visit();
        for(int i = 0; i < ans.size(); ++i){
            c[v[i][!ans[i]]].first++;
        }
    }



    sort(c + 1, c + 1 + n);
    vector<int> a;
    for(int i = n; i >= 1; --i) a.pb(c[i].second);
    answer(a);
}

Compilation message

swaps.cpp: In function 'void solve(int, int)':
swaps.cpp:68:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |         for(int i = 0; i < ans.size(); ++i){
      |                        ~~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 4 ms 208 KB Correct
3 Correct 27 ms 208 KB Correct
4 Correct 99 ms 344 KB Correct
5 Correct 98 ms 336 KB Correct
6 Correct 95 ms 412 KB Correct
7 Correct 107 ms 456 KB Correct
8 Correct 98 ms 336 KB Correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 4 ms 208 KB Correct
3 Correct 20 ms 208 KB Correct
4 Correct 96 ms 336 KB Correct
5 Correct 99 ms 336 KB Correct
6 Correct 94 ms 348 KB Correct
7 Correct 109 ms 336 KB Correct
8 Correct 113 ms 400 KB Correct
9 Correct 96 ms 344 KB Correct
10 Correct 98 ms 340 KB Correct
11 Correct 114 ms 392 KB Correct
12 Correct 105 ms 344 KB Correct
13 Correct 102 ms 336 KB Correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 5 ms 208 KB Correct

Subtask #4
0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 5 ms 208 KB Correct
3 Incorrect 1 ms 208 KB Not correct
4 Halted 0 ms 0 KB -

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 7 ms 208 KB Correct
3 Correct 26 ms 208 KB Correct
4 Correct 103 ms 344 KB Correct

Subtask #6
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 7 ms 208 KB Correct
3 Correct 26 ms 208 KB Correct
4 Correct 103 ms 344 KB Correct
5 Correct 1 ms 208 KB Correct
6 Correct 5 ms 208 KB Correct
7 Correct 22 ms 208 KB Correct
8 Correct 114 ms 508 KB Correct
9 Correct 107 ms 392 KB Correct
10 Correct 99 ms 340 KB Correct
11 Correct 103 ms 428 KB Correct
12 Correct 97 ms 352 KB Correct
13 Incorrect 1 ms 208 KB Not correct
14 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 4 ms 208 KB Correct
3 Correct 18 ms 208 KB Correct
4 Correct 119 ms 420 KB Correct
5 Incorrect 0 ms 208 KB Not correct
6 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 4 ms 208 KB Correct
3 Correct 18 ms 208 KB Correct
4 Correct 119 ms 420 KB Correct
5 Incorrect 0 ms 208 KB Not correct
6 Halted 0 ms 0 KB -

Subtask #9
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 4 ms 208 KB Correct
3 Correct 24 ms 208 KB Correct
4 Correct 103 ms 448 KB Correct
5 Incorrect 0 ms 208 KB Not correct
6 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 4 ms 208 KB Correct
3 Correct 24 ms 208 KB Correct
4 Correct 103 ms 448 KB Correct
5 Incorrect 0 ms 208 KB Not correct
6 Halted 0 ms 0 KB -

Subtask #11
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 4 ms 208 KB Correct
3 Correct 19 ms 208 KB Correct
4 Correct 118 ms 336 KB Correct
5 Incorrect 1 ms 300 KB Not correct
6 Halted 0 ms 0 KB -

Subtask #12
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Correct
2 Correct 4 ms 208 KB Correct
3 Correct 19 ms 208 KB Correct
4 Correct 118 ms 336 KB Correct
5 Incorrect 1 ms 300 KB Not correct
6 Halted 0 ms 0 KB -