제출 #721424

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
721424		vjudge1	Zamjena (COCI18_zamjena)	C++17	56 / 70	303 ms	6904 KiB

zamjena

#include <bits/stdc++.h>
#define sts stable_sort
#define B begin()
#define rB rbegin()
#define E end()
#define rE rend()
#define F first
#define S second
#define pb push_back
#define ppb pop_back()
#define pf push_front
#define ppf pop_front()
#define eb emplace_back
#define ll long long
#define ui unsigned int
#define ull unsigned long long

using namespace std;

const int MAXN = 1e6 + 4;
const int MOD = 1e9 + 7;
map<string, ll> m;

ll to_int(string s){
    ll n = 0;

    for(ll i = 0; i < s.size(); i++){
        n *= 10;
        n += s[i] - '0';
    }

    return n;
}

bool comp(string s){
    if(s[0] - '0' > 9){
        return 1;
    }
    return 0;
}

bool f(vector<pair<string, string> > &v, ll &n){
    for(ll i = 0; i < n; i++){
            if(comp(v[i].S) && comp(v[i].F)){
                if(m[v[i].F] == -1 && m[v[i].S] != -1){
                    m[v[i].F] = m[v[i].S];
                }else if(m[v[i].S] == -1 && m[v[i].F] != -1){
                    m[v[i].S] = m[v[i].F];
                }else if(m[v[i].S] != m[v[i].F]){
                    return 0;
                }
            }else if(!comp(v[i].S)){
                if(m[v[i].F] != -1 && m[v[i].F] != to_int(v[i].S)){
                    return 0;
                }
                m[v[i].F] = to_int(v[i].S);
            }else if(!comp(v[i].F)){
                if(m[v[i].S] != -1 && m[v[i].S] != to_int(v[i].F)){
                    return 0;
                }
                m[v[i].S] = to_int(v[i].F);
            }else if(v[i].S != v[i].F){
                return 0;
            }
    }
    return 1;
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);

    ll n; cin >> n;

    vector<pair<string, string> > v(n);

    for(ll i = 0; i < n; i++){
        cin >> v[i].F; m[v[i].F] = -1;
    }
    for(ll i = 0; i < n; i++){
        cin >> v[i].S; m[v[i].S] = -1;
    }
    f(v, n);
    f(v, n);
    f(v, n);
    bool a = f(v, n);

    if(a){
        cout << "DA\n";
    }else{
        cout << "NE\n";
    }

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

zamjena.cpp: In function 'long long int to_int(std::string)':
zamjena.cpp:27:21: 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]
   27 |     for(ll i = 0; i < s.size(); i++){
      |                   ~~^~~~~~~~~~

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