oj.uz

Submission #1025733

# Submission time Handle Problem Language Result Execution time Memory
1025733 2024-07-17T09:26:23 Z vjudge1 Zamjena (COCI18_zamjena) C++17
70 / 70
 166 ms 11980 KB 
#include <bits/stdc++.h>

using namespace std;

map<string, string> parent;
map<string, int> sz;

string Find(string x) {
    if (parent[x]==x)
        return x;
    return parent[x]=Find(parent[x]);
}

bool Union(string a, string b) {
    a=Find(a), b=Find(b);
    if (a[0]-'0'<=9&&b[0]-'0'<=9)
        return a==b;
    if (a[0]-'0'<=9) {
        parent[b]=a;
        sz[a]+=sz[b];
        return 1;
    }
    if (b[0]-'0'<=9) {
        parent[a]=b;
        sz[b]+=sz[a];
        return 1;
    }
    if (a==b) return 1;
    if (sz[a]<sz[b])
        swap(a,b);
    sz[a]+=sz[b];
    parent[b]=a;
    return 1;
}

int main()
{
    int n;
    cin >> n;
    string a[n], b[n];
    for (int i=0;i<n;i++) {
        cin >> a[i];
        parent[a[i]]=a[i];
        sz[a[i]]=1;
    }
    for (int i=0;i<n;i++) {
        cin >> b[i];
        parent[b[i]]=b[i];
        sz[b[i]]=1;
    }
    for (int i=0;i<n;i++) {
        if (!Union(a[i], b[i])) {
            cout << "NE";
            return 0;
        }
    }
    cout << "DA";

    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 4 ms 860 KB Output is correct
4 Correct 6 ms 1116 KB Output is correct
5 Correct 7 ms 1116 KB Output is correct
6 Correct 6 ms 860 KB Output is correct

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 2136 KB Output is correct
2 Correct 50 ms 4184 KB Output is correct
3 Correct 80 ms 6816 KB Output is correct
4 Correct 75 ms 7744 KB Output is correct
5 Correct 166 ms 11980 KB Output is correct
6 Correct 129 ms 7260 KB Output is correct