Submission #243114

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
243114	2020-06-30T11:08:13 Z	osaaateiasavtnl	Broken Device (JOI17_broken_device)	C++14	85 / 100	54 ms	3312 KB

Anna

#include<bits/stdc++.h>
using namespace std;
#define ii pair <int, int>
#define app push_back
#define all(a) a.begin(), a.end()
#define bp __builtin_popcountll
#define ll long long
#define mp make_pair
#define f first
#define s second
#define Time (double)clock()/CLOCKS_PER_SEC
#define debug(x) std::cout << #x << ": " << x << '\n';
 
#include "Annalib.h"
 
int sh1[100];
mt19937 rnd1(2007);

void Anna( int N, long long X, int K, int P[] ){

    for (int i = 0; i < 100; ++i)
        sh1[i] = rnd1()%3;
    
    /*
    for (int i = 0; i < 10; ++i)
        cout << up1[i];
    cout << endl;            
    */

    vector <int> tri;
    while (X) {
        tri.app(X%3);
        X /= 3;        
    }
 
    reverse(all(tri));
 
    vector <bool> used(N);
    for (int i = 0; i < K; ++i)
        used[P[i]] = 1;
 
    /*
    cout << "tri : ";
    for (auto e : tri)
        cout << e << ' ';
    cout << endl;
    */
 
    int tryed = 0;

    int i = 0, ptr = 0;

    int em = 0;

    while (i + 1 < N) {
        auto check = [&]() {
            if (ptr == tri.size())
                return false;
            int x = tri[ptr]+1;
            x += sh1[ptr];
            if (x > 3)
                x -= 3;

            bool ans = (!used[i] || !(x&1)) && (!used[i+1] || !((x >> 1) & 1));

            if ((!used[i] || !used[i+1]) && !ans)
                ++tryed;

            return (!used[i] || !(x&1)) && (!used[i+1] || !((x >> 1) & 1));
        };

        em += !used[i] && !used[i+1];

        if (check()) {
            int x = tri[ptr]+1;
            x += sh1[ptr];
            if (x > 3)
                x -= 3;
            ++ptr;

            Set(i, x & 1);
            Set(i + 1, (x >> 1) & 1);
        }   
        else {

            if (!used[i] && !used[i+1] && ptr < tri.size())
                exit(1);

            Set(i, 0);
            Set(i + 1, 0);
        }   
        i += 2;
    }   
}

Bruno

#include<bits/stdc++.h>
using namespace std;
#define ii pair <int, int>
#define app push_back
#define all(a) a.begin(), a.end()
#define bp __builtin_popcountll
#define ll long long
#define mp make_pair
#define f first
#define s second
#define Time (double)clock()/CLOCKS_PER_SEC
#define debug(x) std::cout << #x << ": " << x << '\n';
 
#include "Brunolib.h"

int sh2[100];
mt19937 rnd2(2007);
 
long long Bruno( int N, int A[] ){

    for (int i = 0; i < 100; ++i)
        sh2[i] = rnd2()%3;

    /*
    for (int i = 0; i < 10; ++i)
        cout << up2[i];
    cout << endl;            
    */

    ll ans = 0;
    int ptr = 0;
    for (int i = 0; i < N; i += 2) {
        int add = A[i] + (A[i+1]<<1);
        if (add) {

            add -= sh2[ptr];
            if (add < 1)
                add += 3;                
            ++ptr;

            --add;
            ans = ans * 3 + add;
        }   
    }
    return ans;
}       

Compilation message

Anna.cpp: In lambda function:
Anna.cpp:57:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if (ptr == tri.size())
                 ~~~~^~~~~~~~~~~~~
Anna.cpp: In function 'void Anna(int, long long int, int, int*)':
Anna.cpp:86:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if (!used[i] && !used[i+1] && ptr < tri.size())
                                           ~~~~^~~~~~~~~~~~

Subtask #1

85.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Partially correct	50 ms	3072 KB	Output is partially correct - L* = 37
2	Partially correct	52 ms	3072 KB	Output is partially correct - L* = 37
3	Partially correct	51 ms	3056 KB	Output is partially correct - L* = 37
4	Partially correct	51 ms	3056 KB	Output is partially correct - L* = 37
5	Partially correct	53 ms	3056 KB	Output is partially correct - L* = 37
6	Partially correct	52 ms	3072 KB	Output is partially correct - L* = 37
7	Partially correct	51 ms	3072 KB	Output is partially correct - L* = 37
8	Partially correct	51 ms	3056 KB	Output is partially correct - L* = 37
9	Partially correct	50 ms	3056 KB	Output is partially correct - L* = 37
10	Partially correct	53 ms	2968 KB	Output is partially correct - L* = 37
11	Partially correct	51 ms	3072 KB	Output is partially correct - L* = 37
12	Partially correct	49 ms	3072 KB	Output is partially correct - L* = 37
13	Partially correct	53 ms	3056 KB	Output is partially correct - L* = 37
14	Partially correct	52 ms	3072 KB	Output is partially correct - L* = 37
15	Partially correct	51 ms	3056 KB	Output is partially correct - L* = 37
16	Partially correct	51 ms	3072 KB	Output is partially correct - L* = 37
17	Partially correct	50 ms	3072 KB	Output is partially correct - L* = 37
18	Partially correct	54 ms	3072 KB	Output is partially correct - L* = 37
19	Partially correct	50 ms	3072 KB	Output is partially correct - L* = 37
20	Partially correct	50 ms	3072 KB	Output is partially correct - L* = 37
21	Partially correct	49 ms	3072 KB	Output is partially correct - L* = 37
22	Partially correct	50 ms	3072 KB	Output is partially correct - L* = 37
23	Partially correct	52 ms	2904 KB	Output is partially correct - L* = 37
24	Partially correct	51 ms	3072 KB	Output is partially correct - L* = 37
25	Partially correct	51 ms	2960 KB	Output is partially correct - L* = 37
26	Partially correct	51 ms	3072 KB	Output is partially correct - L* = 37
27	Partially correct	51 ms	3072 KB	Output is partially correct - L* = 37
28	Partially correct	50 ms	3056 KB	Output is partially correct - L* = 37
29	Partially correct	50 ms	3312 KB	Output is partially correct - L* = 37
30	Partially correct	51 ms	3072 KB	Output is partially correct - L* = 37
31	Partially correct	53 ms	3072 KB	Output is partially correct - L* = 38
32	Partially correct	53 ms	3056 KB	Output is partially correct - L* = 37
33	Partially correct	51 ms	3072 KB	Output is partially correct - L* = 37
34	Partially correct	50 ms	3072 KB	Output is partially correct - L* = 37
35	Partially correct	52 ms	3072 KB	Output is partially correct - L* = 37
36	Partially correct	52 ms	3056 KB	Output is partially correct - L* = 37
37	Partially correct	51 ms	3056 KB	Output is partially correct - L* = 37
38	Partially correct	52 ms	3056 KB	Output is partially correct - L* = 37
39	Partially correct	50 ms	3056 KB	Output is partially correct - L* = 37
40	Partially correct	50 ms	3072 KB	Output is partially correct - L* = 37