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Submission #785291

# Submission time Handle Problem Language Result Execution time Memory
785291 2023-07-17T08:05:53 Z drdilyor Highway Tolls (IOI18_highway) C++17
5 / 100
 12 ms 1104 KB 
#include <bits/stdc++.h>
#include "highway.h"
#ifdef ONPC
    #include "t_debug.cpp"
#else
    #define debug(...) 42
#endif
using namespace std;
//namespace pbds = __gnu_pbds;
using ll = long long;
const int inf = 1e9;
const ll infl = 1e18;
const int RANDOM = chrono::high_resolution_clock::now().time_since_epoch().count();
mt19937 rng(RANDOM);
template<typename T, typename U> istream& operator>>(istream& is, pair<T, U>& p) { return is >> p.first >> p.second; }
template<typename Cont> int sz(const Cont& cont) { return int(cont.size()); }
// template<typename Func> struct ycom { Func f; template<typename... T> auto operator()(T&&... args) { return f(*this, args...); } }; template<typename Func> ycom(Func) -> ycom<Func>;
template<typename T> typename vector<T>::iterator operator+(const vector<T>& x, int i) { return x.begin() + i ;};
const string fileio = "";
constexpr int tests = 1, nmax = 2e5, nlog = __lg(nmax), mod = 1e9+7;

void find_pair(int32_t n, std::vector<int32_t> u, std::vector<int32_t> v, int32_t a, int32_t b) {
    int m = u.size();
    vector<vector<pair<int,int>>> adj(n);

    for (int i = 0; i < m; i++) {
        adj[u[i]].emplace_back(v[i], i);
        adj[v[i]].emplace_back(u[i], i);
    }

    int base = ask(vector(m, 0));
    vector<int> ans;
    for (int i = 1; i < n; i++) {
        vector<int> w(m);
        for (auto[e, ei] : adj[i]) {
            w[ei] = 1;
        }
        int cost = ask(w);
        if (cost == base -a + b) {
            ans.push_back(i);
        }
    }
    ans.push_back(0);
    answer(ans[0], ans[1]);
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 1 ms 208 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 380 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #3
0 / 6.0

# Verdict Execution time Memory Grader output
1 Runtime error 9 ms 1016 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #4
0 / 33.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 336 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #5
0 / 18.0

# Verdict Execution time Memory Grader output
1 Runtime error 10 ms 1104 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Runtime error 12 ms 1104 KB Execution killed with signal 13
2 Halted 0 ms 0 KB -