oj.uz

Submission #241868

# Submission time Handle Problem Language Result Execution time Memory
241868 2020-06-26T07:24:07 Z SorahISA Checker (COCI19_checker) C++17
110 / 110
 457 ms 179284 KB 
// #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;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory 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

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory 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

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory 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

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory 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

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory 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