Submission #1100767

#	Time	Username	Problem	Language	Result	Execution time	Memory
1100767		Choco	Mobitel (COCI14_mobitel)	C++14	50 / 50	1 ms	460 KiB

mobitel

#include<bits/stdc++.h>
using namespace std;
#define Study ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define ll long long
#define pb push_back
#define ff first 
#define ss second
#define fori for(ll i=0;i<n;i++)
#define ins insert
vector<string>ori(10);
void namethem(){
    ori[1]="";
    ori[2]="abc";
    ori[3]="def";
    ori[4]="ghi";
    ori[5]="jkl";
    ori[6]="mno";
    ori[7]="pqrs";
    ori[8]="tuv";
    ori[9]="wxyz";
}
void work(){
    ll n=9;
    vector<pair<ll,ll>>letter(26);
    namethem();
    for(ll i=1;i<=n;i++){
        ll k;
        cin>>k;
        for(ll j=0;j<ori[k].size();j++){
            char c=ori[k][j];
            letter[c-'a']={i,j+1};
        }
    }
    string s;
    cin>>s;
    string s1="";
    for(ll i=0;i<s.size();i++){
        char l=s[i];
        int ind=s[i]-'a';
        string fir=to_string(letter[ind].ff);
        if(s1==""){
            for(ll j=0;j<letter[ind].ss;j++)
            s1=s1+fir;
        }
        else{
            string last;
            last+=s1[s1.size()-1];
            if(last==fir)
            s1+="#";
            for(ll j=0;j<letter[ind].ss;j++)
            s1=s1+fir;
        }
    }
    cout<<s1;
}
int main(){
    Study;
    ll t=1;
    //cin>>t;
    while(t--){
        work();
    }
}

Compilation message (stderr)

mobitel.cpp: In function 'void work()':
mobitel.cpp:29:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |         for(ll j=0;j<ori[k].size();j++){
      |                    ~^~~~~~~~~~~~~~
mobitel.cpp:37:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for(ll i=0;i<s.size();i++){
      |                ~^~~~~~~~~
mobitel.cpp:38:14: warning: unused variable 'l' [-Wunused-variable]
   38 |         char l=s[i];
      |              ^

• Subtask 1: 50 / 50