#include <bits/stdc++.h>
/*
#pragma GCC optimize("-Ofast")
//#pragma GCC optimize("trapv")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,sse4.2,popcnt,abm,mmx,avx2,tune=native")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-funroll-loops")*/
#define I inline void
#define S struct
#define vi vector<int>
#define vii vector<pair<int, int>>
#define pii pair<int, int>
#define pll pair<ll, ll>
using namespace std;
using ll = long long;
using ld = long double;
const int N = 1e5 + 7, mod = 1e9 + 7;
const int inf = N;
// How interesting!
int n;
string s[N], t[N];
int fat[N], val[N];
map<string, int> mp;
int T;
int find(int x)
{
return fat[x] = (x == fat[x] ? x : find(fat[x]));
}
void link(int u, int v)
{
u = find(u);
v = find(v);
if (u != v)
{
if (val[u] && val[v])
{
cout << "NE";
exit(0);
}
fat[u] = v;
val[v] += val[u];
val[u] = 0;
}
}
int comp(string x)
{
if (mp[x])
return mp[x];
if (x[0] >= '0' && x[0] <= '9')
val[T + 1] = 1;
return mp[x] = ++T;
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
//freopen("in.in", "r", stdin);
cin >> n;
for (int i = 0; i < N; ++i)
fat[i] = i;
for (int i = 0; i < n; ++i)
cin >> s[i];
for (int i = 0; i < n; ++i)
cin >> t[i];
bool ok = 1;
for (int i = 0; i < n; ++i)
{
int x = comp(s[i]);
int y = comp(t[i]);
link(x, y);
}
cout << "DA";
return 0;
}
Compilation message
zamjena.cpp: In function 'int main()':
zamjena.cpp:76:14: warning: unused variable 'ok' [-Wunused-variable]
76 | bool ok = 1;
| ^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
7040 KB |
Output is correct |
2 |
Correct |
5 ms |
7040 KB |
Output is correct |
3 |
Correct |
5 ms |
7040 KB |
Output is correct |
4 |
Correct |
5 ms |
7040 KB |
Output is correct |
5 |
Correct |
5 ms |
7040 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
7044 KB |
Output is correct |
2 |
Correct |
5 ms |
7040 KB |
Output is correct |
3 |
Correct |
5 ms |
7040 KB |
Output is correct |
4 |
Correct |
5 ms |
7040 KB |
Output is correct |
5 |
Correct |
5 ms |
7040 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
7040 KB |
Output is correct |
2 |
Correct |
5 ms |
6948 KB |
Output is correct |
3 |
Correct |
5 ms |
7040 KB |
Output is correct |
4 |
Correct |
5 ms |
7040 KB |
Output is correct |
5 |
Correct |
5 ms |
6912 KB |
Output is correct |
6 |
Correct |
5 ms |
7040 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
7040 KB |
Output is correct |
2 |
Correct |
6 ms |
7040 KB |
Output is correct |
3 |
Correct |
7 ms |
7168 KB |
Output is correct |
4 |
Correct |
8 ms |
7168 KB |
Output is correct |
5 |
Correct |
9 ms |
7296 KB |
Output is correct |
6 |
Correct |
8 ms |
7168 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
17 ms |
7552 KB |
Output is correct |
2 |
Correct |
30 ms |
8312 KB |
Output is correct |
3 |
Correct |
43 ms |
9080 KB |
Output is correct |
4 |
Correct |
41 ms |
9080 KB |
Output is correct |
5 |
Correct |
97 ms |
11128 KB |
Output is correct |
6 |
Correct |
70 ms |
9080 KB |
Output is correct |