Submission #765490

#TimeUsernameProblemLanguageResultExecution timeMemory
765490Ahmed57Hidden Sequence (info1cup18_hidden)C++17
34 / 100
75 ms320 KiB
#include "grader.h" #include<bits/stdc++.h> using namespace std; vector<int> valid(vector<int> ch,int n,int x,int lx,int rx){ if(ch.size()<=n)return ch; vector<int> vl; int a = 0 , b = 0; for(int i = 0;i<ch.size();i++){ if(ch[i]==x){ a++; }else b++; } for(int i = 0;i<rx-b;i++){ vl.push_back(!x); }for(int i = 0;i<lx-a;i++){ vl.push_back(x); } return vl; } 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); for(int i = 0;i<N;i++)ans[i] = !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(valid(ch,N,x,cut,N-cut))){ l++; ch.push_back(!x); if(ch.size()>N){ break; } } long long lol = N-((cut-i)+l); if(lol<=0){ return {0}; } ans[lol-1] = x; } return ans; }

Compilation message (stderr)

hidden.cpp: In function 'std::vector<int> valid(std::vector<int>, int, int, int, int)':
hidden.cpp:6:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    6 |     if(ch.size()<=n)return ch;
      |        ~~~~~~~~~^~~
hidden.cpp:9:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for(int i = 0;i<ch.size();i++){
      |                   ~^~~~~~~~~~
hidden.cpp: In function 'std::vector<int> findSequence(int)':
hidden.cpp:45:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   45 |             if(ch.size()>N){
      |                ~~~~~~~~~^~
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++)
      |                   ~^~~~~~~~~~~~
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