oj.uz

답안 #1101808

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1101808 2024-10-16T20:43:12 Z bvv23 Marko (COCI15_marko) C++17
50 / 50
 6 ms 592 KB 
// 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[26] = {
    "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++) {
        ans += ch[s[i] - 'a'];
    }
    return ans;
}
void failure()
{
    int n;
    cin >> n;
    unordered_map <string,int> mp;
    for (int i = 0; i < n; i++) {
        string x;
        cin >> x;
        string tmp = "";
        tmp = convert(x);
        mp[tmp]++;
    }
    string s;
    cin >> s;
    drop(mp[s]);
}
signed main() { 
    ios_base::sync_with_stdio(0); 
    cin.tie(NULL);                
    cout.tie(NULL);
    int tt = 1;
    //cin >> tt;
    while (tt--)
    {
        failure();
    }
}

Compilation message

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
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 4 ms 592 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 2 ms 336 KB Output is correct
7 Correct 4 ms 592 KB Output is correct
8 Correct 6 ms 580 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 3 ms 592 KB Output is correct