Submission #395360

#	Time	Username	Problem	Language	Result	Execution time	Memory
395360		abc864197532	Swapping Cities (APIO20_swap)	C++17	0 / 100	148 ms	7204 KiB

swap

#include <bits/stdc++.h>
#ifdef local
#include "grader_swap.cpp"
#else
#endif
using namespace std;
#define lli long long int
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define test(x) cout << "Line(" << __LINE__ << ") " #x << ' ' << x << endl
#define printv(x) {\
	for (auto i : x) cout << i << ' ';\
	cout << endl;\
}
#define pii pair <int, int>
#define pll pair <lli, lli>
#define X first
#define Y second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
template<typename A, typename B>
ostream& operator << (ostream& o, pair<A, B> a){
    return o << a.X << ' ' << a.Y;
}
template<typename A, typename B>
istream& operator >> (istream& o, pair<A, B> &a){
    return o >> a.X >> a.Y;
}
const int mod = 1e9 + 7, abc = 864197532, Doludu = 123, N = 100001, logN = 18, K = 40;

int n, m;
vector <int> w;
int a1 = 1 << 30, a2 = 1 << 30, a3 = 1 << 30;

void init(int _n, int _m, vector <int> _u, vector <int> _v, vector <int> _w) {
    n = _n;
    w.resize(n);
    for (int i = 0; i < m; ++i) {
        w[_v[i]] = _w[i];
        if (a1 >= _w[i]) a3 = a2, a2 = a1, a1 = w[i];
        else if (a2 >= _w[i]) a3 = a2, a2 = _w[i];
        else if (a3 >= _w[i]) a3 = _w[i];
    }
}

int getMinimumFuelCapacity(int u, int v) {
    if (n <= 3) return -1;
    if (u == 0) {
        if (a1 == w[v]) return a3;
        return max(a2, w[v]);
    } else {
        if (a1 == w[v] && a2 == w[u]) return a3;
        if (a1 == w[u] && a2 == w[v]) return a3;
        if (a1 == w[v] || a1 == w[u]) return max({a2, w[v], w[u]});
        return max({a1, w[v], w[u]});
    }
}

• Subtask 1: 0 / 6
• Subtask 2: 0 / 7
• Subtask 3: 0 / 17
• Subtask 4: 0 / 20
• Subtask 5: 0 / 23
• Subtask 6: 0 / 27