Submission #765362

#TimeUsernameProblemLanguageResultExecution timeMemory
765362Ahmed57Hidden Sequence (info1cup18_hidden)C++17
Compilation error
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; vector<int>findSequence(int N){ int x= 0; vector<int>ch; for(int i = 0;i<N/2+1;i++)ch.push_back(x); if(isSubsequence(ch))x = 1; ch.clear(); int cut = 0; for(int i = 1;i<=N/2+1;i++){ ch.push_back(x); if(!isSubsequence(ch)){ cut = i-1; break; } } vector<int> ans(N,(!x)); for(int i = 1;i<=cut;i++){ int l = 0; ch.clear(); for(int j = 0;j<i;j++)ch.push_back(x); ch.push_back(!x); while(isSubsequence(ch)){ l++; ch.push_back(!x); } long long lol = N-((cut-i)+l); ans[lol-1] = x; } return ans; }

Compilation message (stderr)

hidden.cpp: In function 'std::vector<int> findSequence(int)':
hidden.cpp:7:8: error: 'isSubsequence' was not declared in this scope
    7 |     if(isSubsequence(ch))x = 1;
      |        ^~~~~~~~~~~~~
hidden.cpp:12:13: error: 'isSubsequence' was not declared in this scope
   12 |         if(!isSubsequence(ch)){
      |             ^~~~~~~~~~~~~
hidden.cpp:23:15: error: 'isSubsequence' was not declared in this scope
   23 |         while(isSubsequence(ch)){
      |               ^~~~~~~~~~~~~
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++)
      |                   ~^~~~~~~~~~~~