Submission #991344

#	Time	Username	Problem	Language	Result	Execution time	Memory
991344		onbert	Broken Device (JOI17_broken_device)	C++17	85 / 100	32 ms	2864 KiB

Anna

#include "Annalib.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int m = 37;
const int ran[150] = {120, 128, 57, 41, 56, 36, 143, 18, 101, 15, 44, 75, 9, 39, 80, 26, 72, 82, 59, 140, 14, 78, 117, 87, 12, 21, 71, 31, 136, 70, 134, 0, 122, 63, 6, 53, 23, 73, 37, 55, 137, 98, 126, 107, 99, 124, 110, 50, 20, 127, 115, 28, 46, 68, 5, 121, 131, 25, 114, 66, 62, 94, 34, 133, 16, 148, 100, 85, 47, 48, 77, 54, 88, 95, 125, 103, 97, 96, 52, 118, 106, 30, 2, 145, 1, 67, 93, 105, 64, 4, 113, 42, 138, 10, 22, 86, 91, 24, 7, 79, 116, 27, 135, 102, 40, 147, 65, 139, 35, 81, 144, 11, 19, 32, 130, 13, 141, 92, 89, 17, 146, 132, 84, 111, 112, 119, 38, 60, 123, 76, 33, 104, 61, 69, 43, 142, 149, 83, 49, 90, 51, 74, 108, 109, 58, 129, 29, 45, 8, 3};

void Anna(int32_t n, long long x, int32_t k, int32_t p[]){
    int pwr[m+1];
    pwr[0] = 1;
    for (int i=1;i<=m;i++) pwr[i] = pwr[i-1] * 3;
    int a[n];
    for (int i=0;i<n;i++) a[i] = 1;
    for (int i=0;i<k;i++) a[p[i]] = 0;
    for (int i=0;i<n;i++) if (a[ran[i^1]]==0) a[ran[i]] = 0;
    int cur = 0;
    for (int i=0;i<n;i+=2) if (a[ran[i]]) {
        int val = x%3;
        if (val==0) a[ran[i]] = 0, a[ran[i+1]] = 1;
        if (val==1) a[ran[i]] = 1, a[ran[i+1]] = 0;
        x /= 3;
    }
    // for (int i=0;i<n;i++) cout << a[i]; cout << endl;
    for (int i=0;i<n;i++) Set(i, (int32_t)a[i]);
}

Bruno

#include "Brunolib.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int m = 37;
const int ran[150] = {120, 128, 57, 41, 56, 36, 143, 18, 101, 15, 44, 75, 9, 39, 80, 26, 72, 82, 59, 140, 14, 78, 117, 87, 12, 21, 71, 31, 136, 70, 134, 0, 122, 63, 6, 53, 23, 73, 37, 55, 137, 98, 126, 107, 99, 124, 110, 50, 20, 127, 115, 28, 46, 68, 5, 121, 131, 25, 114, 66, 62, 94, 34, 133, 16, 148, 100, 85, 47, 48, 77, 54, 88, 95, 125, 103, 97, 96, 52, 118, 106, 30, 2, 145, 1, 67, 93, 105, 64, 4, 113, 42, 138, 10, 22, 86, 91, 24, 7, 79, 116, 27, 135, 102, 40, 147, 65, 139, 35, 81, 144, 11, 19, 32, 130, 13, 141, 92, 89, 17, 146, 132, 84, 111, 112, 119, 38, 60, 123, 76, 33, 104, 61, 69, 43, 142, 149, 83, 49, 90, 51, 74, 108, 109, 58, 129, 29, 45, 8, 3};

long long Bruno(int32_t n, int32_t a[]){
    int pwr[m+1];
    pwr[0] = 1;
    for (int i=1;i<=m;i++) pwr[i] = pwr[i-1] * 3;
    int x = 0;
    int cur = 0;
    for (int i=0;i<n && cur<=m;i+=2) if (a[ran[i]]==1 || a[ran[i+1]]==1) {
        if (a[ran[i]]==1 && a[ran[i+1]]==0) x += pwr[cur];
        if (a[ran[i]]==1 && a[ran[i+1]]==1) x += 2*pwr[cur];
        cur++;
    }
    // cout << x << endl;
    return x;
}

Compilation message (stderr)

Anna.cpp: In function 'void Anna(int32_t, long long int, int32_t, int32_t*)':
Anna.cpp:16:9: warning: unused variable 'cur' [-Wunused-variable]
   16 |     int cur = 0;
      |         ^~~

• Subtask 1: 85 / 100