Submission #400606

#	Time	Username	Problem	Language	Result	Execution time	Memory
400606		dolphingarlic	Hidden Sequence (info1cup18_hidden)	C++14	34 / 100	9 ms	328 KiB

hidden

#include <bits/stdc++.h>

#include "grader.h"

using namespace std;

vector<int> findSequence(int N) {
    int zeroes = 0;
    for (int i = 1; i <= N; i++) {
        vector<int> tst;
        for (int j = 0; j < i; j++) tst.push_back(0);
        if (isSubsequence(tst)) zeroes++;
        else break;
    }
    vector<int> ans;
    while (zeroes) {
        int ones = 0;
        for (int i = 1; i <= N; i++) {
            vector<int> tst = ans;
            for (int j = 0; j < i; j++) tst.push_back(1);
            for (int j = 0; j < zeroes; j++) tst.push_back(0);
            if (tst.size() > N) break;
            if (isSubsequence(tst)) ones++;
            else break;
        }
        for (int i = 0; i < ones; i++) ans.push_back(1);
        ans.push_back(0);
        zeroes--;
    }
    while (ans.size() < N) ans.push_back(1);
    return ans;
}

Compilation message (stderr)

hidden.cpp: In function 'std::vector<int> findSequence(int)':
hidden.cpp:22:28: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   22 |             if (tst.size() > N) break;
      |                 ~~~~~~~~~~~^~~
hidden.cpp:30:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   30 |     while (ans.size() < N) ans.push_back(1);
      |            ~~~~~~~~~~~^~~
grader.cpp: In function 'int main()':
grader.cpp:28:26: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
   28 |     fprintf (fifo_out, "%d\n", ans.size ());
      |                         ~^     ~~~~~~~~~~~
      |                          |              |
      |                          int            std::vector<int>::size_type {aka long unsigned int}
      |                         %ld
grader.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for (int i=0; i<ans.size () && i < N; i++)
      |                   ~^~~~~~~~~~~~

• Subtask 1: 10 / 20
• Subtask 2: 24 / 80