제출 #627421

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
627421		Farhan_HY	Zamjena (COCI18_zamjena)	C++14	28 / 70	57 ms	65536 KiB

zamjena

#include <bits/stdc++.h>
#define int long long
#define float double
#define pb push_back
#define F first
#define S second
#define T int t; cin >> t; while(t--)
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;
/// Benzema is the best player in the world
const int inf = 8e18;
const int N = 1e6 + 6;
const int M = 1e3 + 3;
const int LOG = 31;
const int mod = 1e9 + 7;
const float pi = atan(1) * 4;
string a[N], b[N];
int n;
map<string, string> mp;
vector<pair<string, string>> v;

bool num(string s)
{
    bool ok = 1;
    for(auto x: s)
        ok &= x >= '0' && x <= '9';
    return ok;
}

main()
{
    IOS
    cin >> n;
    for(int i = 1; i <= n; i++)
        cin >> a[i];
    for(int i = 1; i <= n; i++)
        cin >> b[i];
    bool ans = 1;
    for(int i = 1; i <= n; i++)
    {
        bool A = num(a[i]);
        bool B = num(b[i]);
        if (A) mp[a[i]] = a[i];
        if (B) mp[b[i]] = b[i];
        if (A && B)
            ans &= a[i] == b[i];
        else if (A && !B)
        {
            if (mp.count(b[i]))
                ans &= mp[b[i]] == a[i];
            else
                mp[b[i]] = a[i];
        }
        else if (!A && B)
        {
            if (mp.count(a[i]))
                ans &= mp[a[i]] == b[i];
            else
                mp[a[i]] = b[i];
        }
        else if (mp.count(a[i]) && !mp.count(b[i]))
            mp[b[i]] = mp[a[i]];
        else if (!mp.count(a[i]) && mp.count(b[i]))
            mp[a[i]] = mp[b[i]];
        else if (!mp.count(a[i]) && !mp.count(b[i]))
            v.pb({a[i], b[i]});
    }
    for(auto x: v)
    {
        string A = mp[x.F];
        string B = mp[x.S];
        if (B.size() == 0)
            mp[x.S] = B = A;
        if (A.size() == 0) A = mp[x.F] = B;
        ans &= A == B;
    }
    if (ans) cout << "DA";
    else cout << "NE";
}
///use scanf

컴파일 시 표준 에러 (stderr) 메시지

zamjena.cpp:31:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   31 | main()
      | ^~~~

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 14