oj.uz

Submission #989106

# Submission time Handle Problem Language Result Execution time Memory
989106 2024-05-27T14:24:43 Z steveonalex Mechanical Doll (IOI18_doll) C++17
53 / 100
 93 ms 17468 KB 
#include <bits/stdc++.h>
#include "doll.h"
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
#define MASK(i) (1ULL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()
 
ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
 
ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ll mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}
 
mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}
 
template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b) {a = b; return true;}
        return false;
    }
 
template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b) {a = b; return true;}
        return false;
    }
 
template <class T>
    void printArr(T container, string separator = " ", string finish = "\n", ostream &out = cout){
        for(auto item: container) out << item << separator;
        out << finish;
    }
 
template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

void create_circuit(int m, vector<int> a);
namespace Grader{
    vector<int> a;
    void answer(vector<int> C, vector<int> X, vector<int> Y){
        cout << "C: ";
        printArr(C);
        cout << "X: ";
        printArr(X); 
        cout << "Y: ";
        printArr(Y);

        cout << "Validating...\n";
        int ball = 0;
        vector<int> ans;
        vector<bool> state(X.size());
        while(ball != 0 || ans.empty()){
            cout << "Ball: " << ball << endl;
            if (ball > 0) ans.push_back(ball);
            if (ball >= 0){
                ball = C[ball];
            }
            else {
                int cur = (-ball) - 1;
                if (state[cur]){
                    state[cur] = false;
                    ball = Y[cur];
                }
                else{
                    state[cur] = true;
                    ball = X[cur];
                }
            }
        }

        if (ans != a) cout << "Wrong answer! (incorrect sequence produced)\n";
        else if (*max_element(ALL(state)) == 1) cout << "Wrong answer! (there exists an Y switch)\n";
        else cout << "Correct answer!\n";
    }

    void solve(){
        int n, m; cin >> n >> m;
        a = vector<int>(n);
        for(int i = 0; i<n; ++i) cin >> a[i];

        create_circuit(m, a);
    }

}

// using namespace Grader;

void toss(vector<int> &a){
    int n = a.size();
    vector<int> st(n*2);

    for(int i: a){
        int idx = 1;
        while(idx < n){
            if (!st[idx]){
                st[idx] = 1;
                idx = idx * 2;
            }
            else{
                st[idx] = 0;
                idx = idx * 2 + 1;
            }
        }
        st[idx] = i;
    }

    for(int i = n; i<n*2; ++i) a[i-n] = st[i];
}

void create_circuit(int m, vector<int> a) {
    vector<int> C(m+1, 0);
    vector<int> X, Y;

    int n = a.size();
    a.push_back(-1);
    vector<vector<int>> fw(m+1);
    for(int i = 0; i<n; ++i){
        fw[a[i]].push_back(a[i+1]);
    }
    fw[0].push_back(a[0]);
    X.push_back(0); Y.push_back(0);


    int cur = -1;
    int last = -1;
    for(int i = 0; i<=m; ++i) {
        int k = fw[i].size();
        if (k == 0) continue;
        if (k == 1) {C[i] = fw[i][0]; continue;}
        if (k != LASTBIT(k)){
            while(fw[i].size() != LASTBIT(fw[i].size())) fw[i].push_back(cur-1);
            fw[i].back() = last;
            last = cur-1;
            k = fw[i].size();
        }

        C[i] = cur-1;

        toss(fw[i]);

        vector<int> mariana(k);
        for(int i = 1; i<k; ++i) mariana[i] = --cur;

        for(int j: fw[i]) mariana.push_back(j);
        for(int i = 1; i<k; ++i){
            X.push_back(mariana[i * 2]);
            Y.push_back(mariana[i * 2 + 1]);
        }
    }

    X[0] = last;
    answer(C, X, Y);
}


// int main(void){
//     ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
//     solve();
 
//     return 0;
// }

Compilation message

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:142:32: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
  142 |             while(fw[i].size() != LASTBIT(fw[i].size())) fw[i].push_back(cur-1);
      |                   ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 16 ms 7000 KB Output is correct
3 Correct 14 ms 5720 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 7 ms 3932 KB Output is correct
6 Correct 23 ms 8416 KB Output is correct
7 Correct 1 ms 344 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 16 ms 7000 KB Output is correct
3 Correct 14 ms 5720 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 7 ms 3932 KB Output is correct
6 Correct 23 ms 8416 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 32 ms 8272 KB Output is correct
9 Correct 33 ms 9556 KB Output is correct
10 Correct 51 ms 12864 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 16 ms 7000 KB Output is correct
3 Correct 14 ms 5720 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 7 ms 3932 KB Output is correct
6 Correct 23 ms 8416 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 32 ms 8272 KB Output is correct
9 Correct 33 ms 9556 KB Output is correct
10 Correct 51 ms 12864 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 57 ms 12528 KB Output is correct
15 Correct 30 ms 7104 KB Output is correct
16 Correct 44 ms 10304 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 52 ms 12072 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
9.0000000018 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB Output is partially correct
2 Correct 34 ms 7508 KB Output is correct
3 Partially correct 55 ms 10948 KB Output is partially correct
4 Partially correct 62 ms 11804 KB Output is partially correct

Subtask #6
28.0000000056 / 56.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 348 KB Output is partially correct
2 Correct 34 ms 7508 KB Output is correct
3 Partially correct 55 ms 10948 KB Output is partially correct
4 Partially correct 62 ms 11804 KB Output is partially correct
5 Partially correct 61 ms 13876 KB Output is partially correct
6 Partially correct 65 ms 14292 KB Output is partially correct
7 Partially correct 64 ms 13984 KB Output is partially correct
8 Partially correct 73 ms 14452 KB Output is partially correct
9 Partially correct 54 ms 13384 KB Output is partially correct
10 Partially correct 93 ms 17468 KB Output is partially correct
11 Partially correct 69 ms 14660 KB Output is partially correct
12 Partially correct 40 ms 9868 KB Output is partially correct
13 Partially correct 39 ms 9340 KB Output is partially correct
14 Partially correct 41 ms 9084 KB Output is partially correct
15 Partially correct 39 ms 9092 KB Output is partially correct
16 Partially correct 1 ms 600 KB Output is partially correct
17 Partially correct 33 ms 8168 KB Output is partially correct
18 Partially correct 33 ms 8056 KB Output is partially correct
19 Partially correct 35 ms 9304 KB Output is partially correct
20 Partially correct 53 ms 11328 KB Output is partially correct
21 Partially correct 80 ms 12828 KB Output is partially correct
22 Partially correct 43 ms 10824 KB Output is partially correct