Submission #974378

#	Time	Username	Problem	Language	Result	Execution time	Memory
974378		steveonalex	Broken Device (JOI17_broken_device)	C++17	51 / 100	109 ms	2912 KiB

Anna

#include <bits/stdc++.h>
#include "Annalib.h"
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
#define ALL(v) (v).begin(), (v).end()
#define MASK(i) (1LL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
 
// mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng(1);
ll rngesus(ll l, ll r){return ((ull) rng()) % (r - l + 1) + l;}
 
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);}
ll pop_cnt(ll mask){return __builtin_popcountll(mask);}
ll ctz(ll mask){return __builtin_ctzll(mask);}
ll clz(ll mask){return __builtin_clzll(mask);}
ll logOf(ll mask){return 63 - clz(mask);}
 
template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b){a = b; return true;}
        return false;
    }
template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b){a = b; return true;}
        return false;
    }
template <class T>
    void printArr(T& a, string separator = " ", string finish = "\n", ostream& out = cout){
        for(auto i: a) out << i << separator;
        out << finish;
    }
template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

// void Set(int i, int j){cout << j << ",";}

void Anna(int n, ll X, int k, int p[]){

    vector<bool> a(n);
    vector<bool> sigma(n);
    for(int i = 0; i<k; ++i) a[p[i]] = 1;
    int j = 0;
    for(int i = 0; i<60; i += 2){
        while(j < n && (a[j] == 1 || a[j+1] == 1 || a[j+2] == 1)) j++;
        if (j >= n) break;
        cerr << j << " ";
        sigma[j] = 1;
        sigma[j+1] = GETBIT(X, i);
        sigma[j+2] = GETBIT(X, i+1);
        j += 3;
    }
    cerr << "\n";

    for(int j = 0; j < n; ++j) Set(j, sigma[j]);
}
 
// int main(void){
//     ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

//     int p[] = {0};
//     Anna(150, 69420, 1, p);

//     return 0;
// }

Bruno

#include <bits/stdc++.h>
#include "Brunolib.h"
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
#define ALL(v) (v).begin(), (v).end()
#define MASK(i) (1LL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
 
// mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng(1);
ll rngesus(ll l, ll r){return ((ull) rng()) % (r - l + 1) + l;}
 
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);}
ll pop_cnt(ll mask){return __builtin_popcountll(mask);}
ll ctz(ll mask){return __builtin_ctzll(mask);}
ll clz(ll mask){return __builtin_clzll(mask);}
ll logOf(ll mask){return 63 - clz(mask);}
 
template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b){a = b; return true;}
        return false;
    }
template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b){a = b; return true;}
        return false;
    }
template <class T>
    void printArr(T& a, string separator = " ", string finish = "\n", ostream& out = cout){
        for(auto i: a) out << i << separator;
        out << finish;
    }
template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

ll Bruno(int n, int A[]){
    ll X = 0;
    int j = 0;
    for(int i = 0; i<60; i += 2){
        while(j < n - 1 && A[j] == 0) j++;
        if (j >= n-1) break;
        if (A[j+1]) X += MASK(i);
        if (A[j+2]) X += MASK(i+1);
        j+=3;
    }
    return X;
}
 
// int main(void){
//     ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

//     int A[] = {0,1,0,1,0,1,1,1,1,1,0,1,1,1,0,1,0,1,1,1,1,1,1,1,1,1,0,1,0,1,0,1,0,1,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
//     cout << Bruno(150, A) << "\n";

//     return 0;
// }

• Subtask 1: 51 / 100