Submission #991375

#TimeUsernameProblemLanguageResultExecution timeMemory
991375onbertBroken Device (JOI17_broken_device)C++17
85 / 100
28 ms2692 KiB
#include "Annalib.h" #include <bits/stdc++.h> using namespace std; #define int long long const int m = 37; 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+=2) { int val = X%3; int x = 1, y = 1; if (val==0) x = 0, y = 1; if (val==1) x = 1, y = 0; if (((!a[i]) && x) || ((!a[i+1]) && y)) { a[i] = a[i+1] = 0; continue; } a[i] = x, a[i+1] = y; X /= 3; } for (int i=0;i<n;i++) Set(i, (int32_t)a[i]); }
#include "Brunolib.h" #include <bits/stdc++.h> using namespace std; #define int long long const int m = 37; 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[i]==1 || a[i+1]==1) { if (a[i]==1 && a[i+1]==0) x += pwr[cur]; if (a[i]==1 && a[i+1]==1) x += 2*pwr[cur]; cur++; } return x; }
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