#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define x first
#define y second
#define ndl '\n'
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define up_b upper_bound
#define low_b lower_bound
#define sz(x) (int)x.size()
#define bit __builtin_popcount
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
using namespace std;
using namespace __gnu_pbds;
template<typename T> using indexed_set = tree <T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long ll;
typedef long double ld;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef pair<int, ll> pil;
typedef pair<ll, int> pli;
typedef pair<int, ull> piu;
typedef vector<vector<int>> matrix;
const ll INF = 1e18 + 123;
const ld EPS = 1e-9;
const int inf = 1e9 + 123;
const int MOD = 1e9 + 7;
const int N = 5e5 + 13;
const int M = 1e6 + 123;
const double pi = acos(-1.0);
const int dx[] = {0, 0, 1, -1};
const int dy[] = {1, -1, 0, 0};
string a[N], b[N];
map<string, vector<string> > g;
map<string, string> num;
void dfs(string v){
for (string to : g[v]){
if (num[to].empty()){
num[to] = num[v];
dfs(to);
}
else if (num[to] != num[v]){
cout << "NE";
exit(0);
}
}
}
int main(){
#ifdef KAZAKH
freopen("input.txt", "r", stdin);
#endif
ios_base::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
for (int i = 0; i <= 1000; i++){
auto s = to_string(i);
num[s] = s;
}
for (int i = 1; i <= n; i++){
cin >> a[i];
}
for (int i = 1; i <= n; i++){
cin >> b[i];
}
vector<string> z;
for (int i = 1; i <= n; i++){
if (num[a[i]].empty() && num[b[i]].empty()){
g[a[i]].pb(b[i]);
g[b[i]].pb(a[i]);
continue;
}
if (num[a[i]].empty()){
num[a[i]] = num[b[i]];
z.pb(a[i]);
}
if (num[b[i]].empty()){
num[b[i]] = num[a[i]];
z.pb(b[i]);
}
if (num[a[i]] != num[b[i]]){
cout << "NE";
return 0;
}
}
for (auto p : z){
dfs(p);
}
cout << "DA";
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
32 ms |
31736 KB |
Output is correct |
2 |
Correct |
28 ms |
31608 KB |
Output is correct |
3 |
Correct |
33 ms |
31736 KB |
Output is correct |
4 |
Correct |
28 ms |
31736 KB |
Output is correct |
5 |
Correct |
34 ms |
31864 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
33 ms |
31708 KB |
Output is correct |
2 |
Correct |
38 ms |
31736 KB |
Output is correct |
3 |
Correct |
33 ms |
31708 KB |
Output is correct |
4 |
Correct |
33 ms |
31736 KB |
Output is correct |
5 |
Correct |
33 ms |
31760 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
32 ms |
31736 KB |
Output is correct |
2 |
Correct |
33 ms |
31736 KB |
Output is correct |
3 |
Correct |
32 ms |
31736 KB |
Output is correct |
4 |
Incorrect |
32 ms |
31736 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
36 ms |
31992 KB |
Output is correct |
2 |
Correct |
35 ms |
31992 KB |
Output is correct |
3 |
Correct |
40 ms |
32496 KB |
Output is correct |
4 |
Correct |
48 ms |
32632 KB |
Output is correct |
5 |
Correct |
50 ms |
32504 KB |
Output is correct |
6 |
Correct |
37 ms |
32120 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
53 ms |
33912 KB |
Output is correct |
2 |
Correct |
103 ms |
36044 KB |
Output is correct |
3 |
Correct |
128 ms |
39620 KB |
Output is correct |
4 |
Correct |
181 ms |
39152 KB |
Output is correct |
5 |
Correct |
340 ms |
46036 KB |
Output is correct |
6 |
Correct |
219 ms |
39792 KB |
Output is correct |