Submission #1021963

#	Time	Username	Problem	Language	Result	Execution time	Memory
1021963		Almonther	Necklace (Subtask 1-3) (BOI19_necklace1)	C++98	0 / 85	114 ms	1464 KiB

necklace

#include <bits/stdc++.h>
 
#define suiii ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define co cout<<
//#pragma GCC optimize("O3,Ofast,unroll-loops")
//#pragma GCC target("avx2,sse3,sse4,avx")
using namespace std;
//stuff
map<string,bool>mp;
map<string,int>mp1;
void rec(string s,ll idx){
    if(mp1[s]!=0){
        co s.size()<<'\n'<<idx<<' '<<mp1[s]-1;
        exit(0);
    }
    if(mp[s]!=0) return;
    mp[s]=1;
    string t=s;
    reverse(t.begin(),t.end());
    rec(t,idx);
    s.push_back(s[0]);
    s.erase(s.begin());
    rec(s,idx);
}
string s,t;
void solve(){
    cin>>s>>t;
    if(s.size()>t.size()) swap(s,t);
    for(int k=s.size();k>0;k--){
        for(int i=0;i<t.size();i++){
            if(i+k-1>=t.size()) break;
            mp1[t.substr(i,k)]=i+1;
        }
        for(int i=0;i<s.size();i++){
            if(i+k-1>=s.size()) break;
            rec(s.substr(i,k),i);
        }
        mp1.clear();
        mp.clear();
    }
}
int main()
{
    suiii
    int tt=1;
    // cin>>tt;
    while(tt--){
        solve();
    }
    return 0;
}

Compilation message (stderr)

necklace.cpp: In function 'void solve()':
necklace.cpp:31:22: 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=0;i<t.size();i++){
      |                     ~^~~~~~~~~
necklace.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 |             if(i+k-1>=t.size()) break;
      |                ~~~~~^~~~~~~~~~
necklace.cpp:35:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         for(int i=0;i<s.size();i++){
      |                     ~^~~~~~~~~
necklace.cpp:36:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |             if(i+k-1>=s.size()) break;
      |                ~~~~~^~~~~~~~~~

• Subtask 1: 0 / 25
• Subtask 2: 0 / 20
• Subtask 3: 0 / 40