Submission #546895

#	Time	Username	Problem	Language	Result	Execution time	Memory
546895		AbdelmagedNour	ZigZag (COCI17_zigzag)	C++17	80 / 80	51 ms	7936 KiB

zigzag

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n,q;
    cin>>n>>q;
    int ptr[26]={};
    vector<vector<string>>v(26);
    for(int i=0;i<n;i++){
        string s;
        cin>>s;
        v[s[0]-'a'].push_back(s);
    }
    for(int i=0;i<26;i++)sort(v[i].begin(),v[i].end());
    for(int i=0;i<q;i++){
        char c;
        cin>>c;
        cout<<v[c-'a'][ptr[c-'a']++]<<"\n";
        if(ptr[c-'a']>=v[c-'a'].size())ptr[c-'a']=0;
    }
    return 0;
}

Compilation message (stderr)

zigzag.cpp: In function 'int main()':
zigzag.cpp:23:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         if(ptr[c-'a']>=v[c-'a'].size())ptr[c-'a']=0;
      |            ~~~~~~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 80 / 80