oj.uz

Submission #241867

# Submission time Handle Problem Language Result Execution time Memory
241867 2020-06-26T07:23:10 Z SorahISA Checker (COCI19_checker) C++17
29 / 110
 3000 ms 34692 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 cerr << "beat " << tok << "\n", 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 10 ms 5120 KB Output is correct
2 Correct 10 ms 5120 KB Output is correct
3 Correct 9 ms 5120 KB Output is correct
4 Correct 8 ms 4992 KB Output is correct
5 Correct 10 ms 5120 KB Output is correct
6 Correct 10 ms 4992 KB Output is correct
7 Correct 10 ms 5120 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 5120 KB Output is correct
2 Correct 10 ms 5120 KB Output is correct
3 Correct 9 ms 5120 KB Output is correct
4 Correct 8 ms 4992 KB Output is correct
5 Correct 10 ms 5120 KB Output is correct
6 Correct 10 ms 4992 KB Output is correct
7 Correct 10 ms 5120 KB Output is correct
8 Correct 49 ms 5460 KB Output is correct
9 Correct 47 ms 5496 KB Output is correct
10 Correct 24 ms 5376 KB Output is correct
11 Correct 10 ms 5248 KB Output is correct
12 Correct 48 ms 5496 KB Output is correct
13 Correct 48 ms 5376 KB Output is correct
14 Correct 48 ms 5624 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3071 ms 34692 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3061 ms 34404 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 5120 KB Output is correct
2 Correct 10 ms 5120 KB Output is correct
3 Correct 9 ms 5120 KB Output is correct
4 Correct 8 ms 4992 KB Output is correct
5 Correct 10 ms 5120 KB Output is correct
6 Correct 10 ms 4992 KB Output is correct
7 Correct 10 ms 5120 KB Output is correct
8 Correct 49 ms 5460 KB Output is correct
9 Correct 47 ms 5496 KB Output is correct
10 Correct 24 ms 5376 KB Output is correct
11 Correct 10 ms 5248 KB Output is correct
12 Correct 48 ms 5496 KB Output is correct
13 Correct 48 ms 5376 KB Output is correct
14 Correct 48 ms 5624 KB Output is correct
15 Execution timed out 3071 ms 34692 KB Time limit exceeded
16 Halted 0 ms 0 KB -