// #pragma GCC target("avx2")
#pragma GCC optimize("O3", "unroll-loops")
// #include <bits/extc++.h>
// using namespace __gnu_pbds;
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define double long double
// template <typename T>
// using pbds_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
using pii = pair<int, int>;
template<typename T>
using prior = priority_queue<T, vector<T>, greater<T>>;
template<typename T>
using Prior = priority_queue<T>;
#define X first
#define Y second
#define ALL(x) (x).begin(), (x).end()
#define eb emplace_back
#define pb push_back
#define fastIO() ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define RANDOM() random_device __rd; \
mt19937 __gen = mt19937(__rd()); \
uniform_int_distribution<int> __dis(1, 1E8); \
auto rnd = bind(__dis, __gen)
const int INF = 1E18;
const int mod = 1E9 + 7;
const int maxn = 2E5 + 5;
int fl_triangle = 1, fl_color = 1, tok = 0;
vector<pii> col[maxn]; /// (id , col)
void recur(int L, int R) {
// cerr << "in recur : " << L << " " << R << "\n";
queue<pii> que;
while (tok < R and fl_triangle) {
++tok;
int sz = col[tok].size();
for (int i = 1; i < sz-1; ++i) {
int now = col[tok][i].X;
int lst = col[tok][i-1].X;
// if (now < tok) continue;
if ((L <= now and now <= R) or tok == R) que.push({lst, now});
else fl_triangle = 0;
}
while (!que.empty()) {
auto [l, r] = que.front(); que.pop();
recur(l, r);
}
}
}
int32_t main() {
fastIO();
int sub, n;
cin >> sub >> n;
for (int i = 1; i <= n; ++i) {
char c; cin >> c;
col[i].eb(i%n+1, c^'0');
col[i%n+1].eb(i, c^'0');
}
for (int i = 1; i <= n-3; ++i) {
int a, b, c;
cin >> a >> b >> c;
col[a].eb(b, c);
col[b].eb(a, c);
}
for (int i = 1; i <= n; ++i) {
sort(ALL(col[i]), [=](auto a, auto b) {
return (a.X - i + n) % n < (b.X - i + n) % n;
});
// for (auto x : col[i]) cerr << x.Y << " "; cerr << "\n";
int sz = col[i].size();
for (int j = 1; j < sz; ++j) {
if (col[i][j].Y == col[i][j-1].Y) fl_color = 0;
}
}
recur(1, n);
if (!fl_triangle) cout << "neispravna triangulacija\n";
else if (!fl_color) cout << "neispravno bojenje\n";
else cout << "tocno\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
4992 KB |
Output is correct |
2 |
Correct |
8 ms |
4992 KB |
Output is correct |
3 |
Correct |
7 ms |
4992 KB |
Output is correct |
4 |
Correct |
8 ms |
4992 KB |
Output is correct |
5 |
Correct |
9 ms |
4992 KB |
Output is correct |
6 |
Correct |
8 ms |
4992 KB |
Output is correct |
7 |
Correct |
10 ms |
4992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
4992 KB |
Output is correct |
2 |
Correct |
8 ms |
4992 KB |
Output is correct |
3 |
Correct |
7 ms |
4992 KB |
Output is correct |
4 |
Correct |
8 ms |
4992 KB |
Output is correct |
5 |
Correct |
9 ms |
4992 KB |
Output is correct |
6 |
Correct |
8 ms |
4992 KB |
Output is correct |
7 |
Correct |
10 ms |
4992 KB |
Output is correct |
8 |
Correct |
9 ms |
5376 KB |
Output is correct |
9 |
Correct |
9 ms |
5376 KB |
Output is correct |
10 |
Correct |
10 ms |
5376 KB |
Output is correct |
11 |
Correct |
9 ms |
5248 KB |
Output is correct |
12 |
Correct |
10 ms |
5376 KB |
Output is correct |
13 |
Correct |
9 ms |
5376 KB |
Output is correct |
14 |
Correct |
9 ms |
5376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
443 ms |
27824 KB |
Output is correct |
2 |
Correct |
340 ms |
27760 KB |
Output is correct |
3 |
Correct |
247 ms |
26744 KB |
Output is correct |
4 |
Correct |
243 ms |
29560 KB |
Output is correct |
5 |
Correct |
245 ms |
29688 KB |
Output is correct |
6 |
Correct |
442 ms |
179284 KB |
Output is correct |
7 |
Correct |
325 ms |
45904 KB |
Output is correct |
8 |
Correct |
268 ms |
30288 KB |
Output is correct |
9 |
Correct |
249 ms |
32592 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
345 ms |
27976 KB |
Output is correct |
2 |
Correct |
394 ms |
28192 KB |
Output is correct |
3 |
Correct |
358 ms |
27952 KB |
Output is correct |
4 |
Correct |
337 ms |
28156 KB |
Output is correct |
5 |
Correct |
348 ms |
27692 KB |
Output is correct |
6 |
Correct |
392 ms |
121940 KB |
Output is correct |
7 |
Correct |
374 ms |
70992 KB |
Output is correct |
8 |
Correct |
409 ms |
162392 KB |
Output is correct |
9 |
Correct |
318 ms |
41556 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
4992 KB |
Output is correct |
2 |
Correct |
8 ms |
4992 KB |
Output is correct |
3 |
Correct |
7 ms |
4992 KB |
Output is correct |
4 |
Correct |
8 ms |
4992 KB |
Output is correct |
5 |
Correct |
9 ms |
4992 KB |
Output is correct |
6 |
Correct |
8 ms |
4992 KB |
Output is correct |
7 |
Correct |
10 ms |
4992 KB |
Output is correct |
8 |
Correct |
9 ms |
5376 KB |
Output is correct |
9 |
Correct |
9 ms |
5376 KB |
Output is correct |
10 |
Correct |
10 ms |
5376 KB |
Output is correct |
11 |
Correct |
9 ms |
5248 KB |
Output is correct |
12 |
Correct |
10 ms |
5376 KB |
Output is correct |
13 |
Correct |
9 ms |
5376 KB |
Output is correct |
14 |
Correct |
9 ms |
5376 KB |
Output is correct |
15 |
Correct |
443 ms |
27824 KB |
Output is correct |
16 |
Correct |
340 ms |
27760 KB |
Output is correct |
17 |
Correct |
247 ms |
26744 KB |
Output is correct |
18 |
Correct |
243 ms |
29560 KB |
Output is correct |
19 |
Correct |
245 ms |
29688 KB |
Output is correct |
20 |
Correct |
442 ms |
179284 KB |
Output is correct |
21 |
Correct |
325 ms |
45904 KB |
Output is correct |
22 |
Correct |
268 ms |
30288 KB |
Output is correct |
23 |
Correct |
249 ms |
32592 KB |
Output is correct |
24 |
Correct |
345 ms |
27976 KB |
Output is correct |
25 |
Correct |
394 ms |
28192 KB |
Output is correct |
26 |
Correct |
358 ms |
27952 KB |
Output is correct |
27 |
Correct |
337 ms |
28156 KB |
Output is correct |
28 |
Correct |
348 ms |
27692 KB |
Output is correct |
29 |
Correct |
392 ms |
121940 KB |
Output is correct |
30 |
Correct |
374 ms |
70992 KB |
Output is correct |
31 |
Correct |
409 ms |
162392 KB |
Output is correct |
32 |
Correct |
318 ms |
41556 KB |
Output is correct |
33 |
Correct |
346 ms |
31096 KB |
Output is correct |
34 |
Correct |
372 ms |
30632 KB |
Output is correct |
35 |
Correct |
272 ms |
30932 KB |
Output is correct |
36 |
Correct |
257 ms |
29736 KB |
Output is correct |
37 |
Correct |
379 ms |
31284 KB |
Output is correct |
38 |
Correct |
373 ms |
30700 KB |
Output is correct |
39 |
Correct |
353 ms |
30788 KB |
Output is correct |
40 |
Correct |
404 ms |
171968 KB |
Output is correct |
41 |
Correct |
349 ms |
84684 KB |
Output is correct |
42 |
Correct |
259 ms |
38988 KB |
Output is correct |
43 |
Correct |
457 ms |
163028 KB |
Output is correct |