Submission #1021931

#	Time	Username	Problem	Language	Result	Execution time	Memory
1021931		Almonther	Necklace (Subtask 1-3) (BOI19_necklace1)	C++98	0 / 85	813 ms	600 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
bool canconvert(string s,string t){
    for(int i=0;i<=s.size();i++){
        s.push_back(s[0]);
        s.erase(s.begin());
        if(s==t) return 1;
        reverse(s.begin(),s.end());
        if(s==t) return 1;
        reverse(s.begin(),s.end());
    }
    return 0;
}
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<s.size();i++){
            for(int j=0;j<t.size();j++){
                if(canconvert(s.substr(i,k),t.substr(j,k))==1){
                    co k<<'\n'<<i<<' '<<j;
                    return;
                }
            }
        }
    }
}
int main()
{
    suiii
    int tt=1;
    // cin>>tt;
    while(tt--){
        solve();
    }
    return 0;
}

Compilation message (stderr)

necklace.cpp: In function 'bool canconvert(std::string, std::string)':
necklace.cpp:11:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     for(int i=0;i<=s.size();i++){
      |                 ~^~~~~~~~~~
necklace.cpp: In function 'void solve()':
necklace.cpp:26:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |         for(int i=0;i<s.size();i++){
      |                     ~^~~~~~~~~
necklace.cpp:27:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |             for(int j=0;j<t.size();j++){
      |                         ~^~~~~~~~~

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