Submission #523245

#	Time	Username	Problem	Language	Result	Execution time	Memory
523245		levsog2004	Round words (IZhO13_rowords)	C++14	0 / 100	26 ms	21776 KiB

rowords

#include<bits/stdc++.h>
using namespace std;
 
#define ll long long int 
#define forr(n) for(ll i=0;i<n;i++) 
#define um unordered_map<int,int>  
#define vec vector<int> 
#define vecl vector<ll> 
#define pb push_back 
#define bg begin()
#define en end()
   
 
void solve(){
   
 string s,t;
  cin>>s>>t;
  int tt=s.size();
  for(int i=0;i<tt;++i)
  {
    s.push_back(s[i]);
  }
   tt=t.size();
  for(int i=0;i<tt;++i)
  {
    t.push_back(t[i]);
  }
  int dp[s.size()+1][t.size()+1] ; 
  
  memset(dp,0,sizeof(dp)) ; 
  for(int i=1;i<=s.size();i++){
       for(int j=1;j<=t.size();j++){
           if(s[i-1]==t[j-1]) 
             dp[i][j]=1+dp[i-1][j-1] ;
             else
             dp[i][j] = max(dp[i-1][j],dp[i][j-1]) ;
       }
  } 
  string ans;
   int i=s.size(),j=t.size();
   while(i>0 && j>0){
       if(s[i-1]==t[j-1])
       {
           ans+=s[i-1];
           i--;j--;
       }
       else{
           if(dp[i-1][j] > dp[i][j-1]) 
             i--;
             else
             j--;
       }
   } 
   reverse(ans.bg,ans.en);
   cout<<ans<<" ";
  
 
   
   
   
      
   
 
}
 
int main(){ 
     ios_base::sync_with_stdio(false);
     cin.tie(NULL);
     cout.tie(NULL);
    int t=1;
    //cin>>t;
    while(t--)
        solve();
    
    return 0;
}

Compilation message (stderr)

rowords.cpp: In function 'void solve()':
rowords.cpp:31:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |   for(int i=1;i<=s.size();i++){
      |               ~^~~~~~~~~~
rowords.cpp:32:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |        for(int j=1;j<=t.size();j++){
      |                    ~^~~~~~~~~~

• Subtask 1: 0 / 100