oj.uz

답안 #639887

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
639887 2022-09-12T15:53:14 Z Vladth11 Zamjena (COCI18_zamjena) C++14
70 / 70
 102 ms 11072 KB 
#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "

using namespace std;
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <long double, pii> muchie;

const ll NMAX = 100001;
const ll VMAX = 101;
const ll INF = 2e9;
const ll MOD = 1000000007;
const ll BLOCK = 447;
const ll base = 117;
const ll nr_of_bits = 24;
const ll inv2 = 500000004;

map <string, int> mp;

bool isNumar[NMAX];
string a[NMAX], b[NMAX];

int cnt = 0;
int parent[NMAX];
int cati[NMAX];
int numere[NMAX];

int root(int x){
    if(parent[x] == x)
        return x;
    return parent[x] = root(parent[x]);
}

void merge(int a, int b){
    a = root(a);
    b = root(b);
    if(a == b)
        return;
    if(cati[a] < cati[b]) swap(a, b);
    cati[a] += cati[b];
    numere[a] += numere[b];
    parent[b] = a;
}

int main() {
    //ifstream cin(".in");
    //ofstream cout(".out");
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, i;
    cin >> n;
    for(i = 1; i <= n; i++){
        string s;
        cin >> s;
        if(mp.find(s) == mp.end()){
            mp[s] = ++cnt;
        }
        if('0' <= s[0] && s[0] <= '9'){
            isNumar[mp[s]] = 1;
        }
        a[i] = s;
    }
    for(i = 1; i <= n; i++){
        string s;
        cin >> s;
        if(mp.find(s) == mp.end()){
            mp[s] = ++cnt;
        }
        if('0' <= s[0] && s[0] <= '9'){
            isNumar[mp[s]] = 1;
        }
        b[i] = s;
    }
    for(i = 1; i <= cnt; i++){
        parent[i] = i;
        cati[i] = 1;
        numere[i] = isNumar[i];
    }
    for(i = 1; i <= n; i++){
        merge(mp[a[i]], mp[b[i]]);
    }
    int ok = 1;
    for(i = 1; i <= cnt; i++){
        if(numere[i] > 1){
            ok = 0;
        }
    }
    if(ok) cout << "DA";
    else cout << "NE";
    return 0;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 6484 KB Output is correct
2 Correct 4 ms 6484 KB Output is correct
3 Correct 4 ms 6484 KB Output is correct
4 Correct 3 ms 6592 KB Output is correct
5 Correct 4 ms 6484 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 3 ms 6484 KB Output is correct
3 Correct 4 ms 6592 KB Output is correct
4 Correct 4 ms 6588 KB Output is correct
5 Correct 3 ms 6484 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 5 ms 6484 KB Output is correct
3 Correct 3 ms 6592 KB Output is correct
4 Correct 4 ms 6596 KB Output is correct
5 Correct 4 ms 6484 KB Output is correct
6 Correct 4 ms 6596 KB Output is correct

Subtask #4
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 6612 KB Output is correct
2 Correct 5 ms 6612 KB Output is correct
3 Correct 8 ms 6736 KB Output is correct
4 Correct 7 ms 6996 KB Output is correct
5 Correct 7 ms 6740 KB Output is correct
6 Correct 6 ms 6740 KB Output is correct

Subtask #5
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 7104 KB Output is correct
2 Correct 33 ms 7944 KB Output is correct
3 Correct 44 ms 9000 KB Output is correct
4 Correct 77 ms 9252 KB Output is correct
5 Correct 102 ms 11072 KB Output is correct
6 Correct 61 ms 8864 KB Output is correct