Submission #832703

#	Time	Username	Problem	Language	Result	Execution time	Memory
832703		sysia	Garden (JOI23_garden)	C++17	6 / 100	311 ms	18856 KiB

garden

//Sylwia Sapkowska
#include <bits/stdc++.h>
#pragma GCC optimize("O3", "unroll-loops")
using namespace std;

void __print(int x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << "'" << x << "'";}
void __print(const char *x) {cerr << '"' << x << '"';}
void __print(const string &x) {cerr << '"' << x << '"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef LOCAL
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif

#define int long long
typedef pair<int, int> T;
const int oo = 1e18, oo2 = 1e9+7, K = 30;
const int mod = 998244353;


void solve(){
    int n, m, d; cin >> n >> m >> d;
    vector<int>X, Y;
    int mx = 2*d;
    vector<vector<int>>pion(mx), poz(mx), p(mx);
    for (int i = 0; i<n; i++){
        int x, y; cin >> x >> y;
        //4 punkty
        p[x].emplace_back(y);
        p[x+d].emplace_back(y);
    }
    vector<int>tab(d);
    int sum = 0;
    for (int i = 0; i<m; i++){
        int a, b; cin >> a >> b;
        X.emplace_back(a);
        Y.emplace_back(b);
        tab[b]++;
        sum++;
        pion[a].emplace_back(i);
        pion[a+d].emplace_back(i);
        poz[b].emplace_back(i);
    }   
    int R = -1;
    set<int>s; //indeksy pionowych
    int ans = oo;
    for (int L = 0; L < d; L++){
        while (R+1 < 2*d && sum != n+m){
            R++;
            //dodaj R-ty x
            for (auto y: p[R]) {
                tab[y]++;
                sum++;
            }
            for (auto i:pion[R]){
                tab[Y[i]]--;
                s.insert(i);
            }
            // debug(R, tab, s, sum);
            if (sum == n+m){
                break;
            }
        }
        if (sum == n+m){
            debug(L, R);
            debug(tab);
            int r = -1;
            int curr = 0;
            for (int l = 0; l < d; l++){
                while (curr < sum-(int)s.size()){
                    r = (r+1)%d;
                    curr += tab[r];
                }
                if (curr == sum-(int)s.size()){
                    ans = min(ans, (R-L+1)*(r >= l ? r-l+1 : (d-l)+(r+1)));
                }
                curr -= tab[l];
            }
        }
        //usun L-ty x
        for (auto y: p[L]){
            tab[y]--;
            sum--;
        }
        for (auto i: pion[L]){
            s.erase(i);
            tab[Y[i]]++;
        }
    }
    cout << ans << "\n";
}

int32_t main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int t = 1;
    //cin >> t;
    while (t--) solve();

    return 0;
}

• Subtask 1: 0 / 15
• Subtask 2: 6 / 6
• Subtask 3: 0 / 8
• Subtask 4: 0 / 16
• Subtask 5: 0 / 30
• Subtask 6: 0 / 25