Submission #558682

#	Time	Username	Problem	Language	Result	Execution time	Memory
558682		Yazan_Alattar	Tenis (COI19_tenis)	C++14	0 / 100	134 ms	10312 KiB

tenis

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 100007;
const ll inf = 2e9;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const double eps = 1e-6;
const int dx[] = {0, -1, 0, 1}, dy[] = {1, 0, -1, 0};
const int block = 320;

ll n, q, pos[5][M], mx[M], seg[4 * M], lazy[4 * M];

void push(int node, int l, int r){
    if(lazy[node]){
        seg[node] += lazy[node];

        if(l != r){
            lazy[2 * node] += lazy[node];
            lazy[2 * node + 1] += lazy[node];
        }
        lazy[node] = 0;
    }
    return;
}

void upd(int st, int en, int v, int node = 1, int l = 0, int r = n){
    push(node, l, r);
    if(l > en || r < st) return;
    if(l >= st && r <= en){
        lazy[node] += v;
        push(node, l, r);
        return;
    }
    int mid = (l + r) / 2;
    upd(st, en, v, 2 * node, l, mid);
    upd(st, en, v, 2 * node + 1, mid + 1, r);

    seg[node] = min(seg[2 * node], seg[2 * node + 1]);
    return;
}

ll get(int pos, int node = 1, int l = 0, int r = n){
    if(l > pos) return inf;
    if(r <= pos) return seg[node];
    int mid = (l + r) / 2;
    return min(get(pos, 2 * node, l, mid), get(pos, 2 * node + 1, mid + 1, r));
}

int main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> q;
    for(int i = 1; i <= 3; ++i){
        for(int j = 1; j <= n; ++j){
            int x; cin >> x;

            pos[i][x] = j;
            mx[x] = max(mx[x], 1ll * j);
        }
    }

    upd(0, 0, inf);
    for(int i = 1; i <= n; ++i){
        upd(mx[i], n, -1);
        upd(i, i, i);
    }

    while(q--){
        int type;
        cin >> type;

        if(type == 1){
            int x;
            cin >> x;

            if(get(mx[x] - 1)) cout << "DA\n";
            else cout << "NE\n";
        }

        else{
            int k, x, y;
            cin >> k >> x >> y;

            upd(mx[x], n, 1); upd(mx[y], n, 1);

            swap(pos[k][x], pos[k][y]);
            mx[x] = mx[y] = 0;
            for(int i = 1; i <= 3; ++i){
                mx[x] = max(mx[x], pos[i][x]);
                mx[y] = max(mx[y], pos[i][y]);
            }

            upd(mx[x], n, -1); upd(mx[y], n, -1);
        }
    }
    return 0;
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 0 / 21
• Subtask 5: 0 / 49