Submission #97556

#	Time	Username	Problem	Language	Result	Execution time	Memory
97556		silxikys	Broken Device (JOI17_broken_device)	C++14	Compilation error	0 ms	0 KiB

Anna

#include "Annalib.h"
#include <vector>

void Anna(int N, long long X, int K, int P[]) {
    int pos = 0;
    std::vector<int> ans(N,-1);
    for (int i = 0; i < K; i++) {
        ans[P[i]] = 0;
    }
    for (int i = 0; i < N; i += 2) {
        if (ans[i] == 0 || ans[i+1] == 0) {
            ans[i] = 0;
            ans[i+1] = 0;
        }
        else {
            if (pos > 61) {
                ans[i] = 0;
                ans[i+1] = 0;
                continue;
            }
            int b = ((1LL<<pos) & X);
            if (b == 0) {
                ans[i] = 0;
                ans[i+1] = 1;
            }
            else {
                ans[i] = 1;
                ans[i+1] = 1;
            }
            pos++;
        }
    }
    for (int i = 0; i < N; i++) {
        //assert(ans[i] == 0 || ans[i] == 1);
        Set(i,ans[i]);            
    }
}

Bruno

#include "Brunolib.h"
#include <vector>

long long Bruno(int N, int A[]) {
    std::vector<int> ans;
    for (int i = 0; i < N; i += 2) {
        int r = A[i] * 2 + A[i+1];
        if (pos > 60) continue;
        if (r == 0) continue;
        else if (r == 1) {
            ans.push_back(0);
        }
        else {
            ans.push_back(1);
        }
    }
    long long res = 0;
    for (int i = 0; i < ans.size(); i++) {
        if (ans[i] == 1) {
            res += (1LL<<i);
        }
    }
    return res;
}

Compilation message (stderr)

Bruno.cpp: In function 'long long int Bruno(int, int*)':
Bruno.cpp:8:13: error: 'pos' was not declared in this scope
         if (pos > 60) continue;
             ^~~
Bruno.cpp:18:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < ans.size(); i++) {
                     ~~^~~~~~~~~~~~