//#include "paint.h" #include <bits//stdc++.h> using namespace std; std::string solve_puzzle(std::string s, std::vector<int> c) { int k=c[0],n; vector<int>cnt(n=s.size()); for(int i=0;i<=n-k;++i)for(int j=i;j<i+k;++j)cnt[j]++; string ans=string(n,'?'); for(int i=0;i<n;++i)if(cnt[i]==n-k+1)ans[i]='X'; return ans; }

paint.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
paint_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~