제출 #1101801

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1101801		bvv23	Marko (COCI15_marko)	C++17	10 / 50	5 ms	1620 KiB

marko

// Ahmadov orz
/// successful failure
#include <bits/stdc++.h>
/// #include <ext/pb_ds/assoc_container.hpp>
using namespace std;
/// using namespace __gnu_pbds;
#define int long long
#define pb push_back
#define pii pair<int, int>
#define all(v) v.begin(),v.end()
#define ff first
#define ss second
#define drop(x) cout<<x<<endl;return
// template <class T>
// using isTree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

/// sometimes you gotta think simple
struct custom_hash {
    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        x ^= FIXED_RANDOM;
        return x ^ (x >> 16);
    }
};
string ch[27] = {
    "2", "2", "2 ", 
    "3", "3", "3", 
    "4", "4", "4", 
    "5", "5", "5", 
    "6", "6", "6", 
    "7", "7", "7", "7",
    "8", "8", "8", 
    "9", "9", "9", "9"
};
string convert(string s) 
{
    string ans = "";
    for (int i = 0; i < s.size(); i++) {
        //char c = s[i];
        //cout << c << endl;
        ans += ch[s[i] - 'a'];
    }
    return ans;
}
void failure()
{
    int n;
    cin >> n;
    vector <string> arr(n);
    for (int i = 0; i < n; i++) {
        cin >> arr[i];
    }
    string s;
    cin >> s;
    int ans = 0;
    for (int i = 0; i < n; i++) {
        string tmp = convert(arr[i]);
        //cout << "!" << tmp << endl;
        if (tmp == s) {
            ans++;
        }
    }
    drop(ans);
}
signed main() { 
    ios_base::sync_with_stdio(0); 
    cin.tie(NULL);                
    cout.tie(NULL);
    int tt = 1;
    //cin >> tt;
    while (tt--)
    {
        failure();
    }
}

컴파일 시 표준 에러 (stderr) 메시지

marko.cpp: In function 'std::string convert(std::string)':
marko.cpp:38:23: 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]
   38 |     for (int i = 0; i < s.size(); i++) {
      |                     ~~^~~~~~~~~~

• Subtask 1: 10 / 50