oj.uz

Submission #400296

# Submission time Handle Problem Language Result Execution time Memory
400296 2021-05-07T19:45:26 Z Antekb Game (IOI13_game) C++14
100 / 100
 6531 ms 53752 KB 
#include "game.h"
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
const int N=(1<<30), M=21142005, K=682005;

long long gcd2(long long X, long long Y) {
    long long tmp;
    while (X != Y && Y != 0) {
        tmp = X;
        X = Y;
        Y = tmp % Y;
    }
    return X;
}
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
struct node{
    node* l=nullptr, *r=nullptr;
    int rank, key;
    ll val, g;
    node(int _key, ll _val): key(_key), val(_val), g(_val) {rank=rng();}
    void upd(){
        g=val;
        if(l)g=gcd2(l->g, g);
        if(r)g=gcd2(r->g, g);
    }
};
node* merge(node* u, node* v){
    if(!u)return v;
    if(!v)return u;
    assert(u->key < v->key);
    if((v->rank)>(u->rank)){
        v->l=merge(u, v->l);
        v->upd();
        return v;
    }
    else{
        u->r=merge(u->r, v);
        u->upd();
        return u;
    }
}
#define mp(x, y) make_pair(x, y)
#define st first
#define nd second
typedef pair<node*, node*> pnn;
pnn split(node* v, int l){
    if(!v)return mp(nullptr, nullptr);
    if(v->key<l){
        pnn a=split(v->r, l);
        v->r=a.st;
        v->upd();
        a.st=v;
        return a;
    }
    else{
        pnn a=split(v->l, l);
        v->l=a.nd;
        v->upd();
        a.nd=v;
        return a;
    }
}
void wyp(node* v){
    if(!v) return;
    wyp(v->l);
    cout<<v->rank<<" "<<v->key<<" "<<v->val<<" "<<v->g<<"\n";
    wyp(v->r);
}
/*int wsk1=1;
int l1[M], r1[M];
ll val1[M];

void upd(int v){
    if(!v)return;
    val1[v]=gcd2(val1[l1[v]], val1[r1[v]]);
}
ll quer1d(int v, int L, int R, int l, int r){
    if(!v)return 0;
    //cout<<L<<" "<<R<<" "<<v->val<<"q\n";
    if(l==L && r==R){
        return val1[v];
    }
    int M=(L+R)>>1;
    ll ans=0;
    if(l<=M)ans=gcd2(ans, quer1d(l1[v], L, M, l, min(M, r)));
    if(r>M)ans=gcd2(ans, quer1d(r1[v], M+1, R, max(l, M+1), r));
    return ans;
}*/
ll quer1d(node* v, int l, int r){
    //wyp(v);
    //cout<<l<<" "<<r<<"\n";

    pnn a=split(v, l);
    pnn b=split(a.nd, r+1);
    ll ans=0;
    if(b.st){
        ans=b.st->g;
        assert(b.st->key >=l && b.st -> key <=r);
    }
    a.nd=merge(b.st, b.nd);
    assert(merge(a.st, a.nd)==v);
    //cout<<ans<<"\n";
    return ans;
}
/*int upd1d(int v, int L, int R, int i, ll val){
    if(!v)v=wsk1++;
    if(L==R){
        //cout<<v->val<<" "<<val<<" "<<i<<"u\n";
        val1[v]=val;
        return v;
    }
    //cout<<L<<" "<<R<<" "<<v->val<<"a\n";
    int M=(L+R)>>1;
    if(i<=M)l1[v]=upd1d(l1[v], L, M, i, val);
    else r1[v]=upd1d(r1[v], M+1, R, i, val);
    upd(v);
    //cout<<L<<" "<<R<<" "<<v->val<<"b\n";
    return v;
}*/
node* upd1d(node* v, int i, ll val){
    pnn a=split(v, i);
    pnn b=split(a.nd, i+1);
    if(b.st){
        assert(b.st->key == i);
        b.st->val=val;
    }
    else b.st=new node(i, val);
    b.st->upd();
    a.nd=merge(b.st, b.nd);
    return merge(a.st, a.nd);
}

int wsk2=1;
int l2[K], r2[K];
node* nodes[K];
ll quer2d(int v, int L, int R, int l, int r, int x, int y){
    if(!v)return 0;
    if(l==L && r==R){
        return quer1d(nodes[v], x, y);
    }
    int M=(L+R)>>1;
    ll ans=0;
    if(l<=M)ans=gcd2(ans, quer2d(l2[v], L, M, l, min(M, r), x, y));
    if(r>M)ans=gcd2(ans, quer2d(r2[v], M+1, R, max(l, M+1), r, x, y));
    return ans;
}

int upd2d(int v, int L, int R, int i, int j, ll val){
    if(!v)v=wsk2++;
    if(L==R){
        //cout<<L<<" "<<R<<" "<<i<<" "<<j<<"\n";
        nodes[v]=upd1d(nodes[v], j, val);
        return v;
    }
    int M=(L+R)>>1;
    if(i<=M)l2[v]=upd2d(l2[v], L, M, i, j, val);
    else r2[v]=upd2d(r2[v], M+1, R, i, j, val);
    //cout<<L<<" "<<R<<" "<<i<<" "<<j<<"\n";
    nodes[v]=upd1d(nodes[v], j, gcd2(quer1d(nodes[l2[v]], j, j), quer1d(nodes[r2[v]], j, j)));
    return v;
}
int root=0;
void init(int R, int C) {
    /* ... */
    for(int i=0; i<K; i++)nodes[i]=nullptr;
}

void update(int P, int Q, long long K) {
    root=upd2d(root, 0, N-1, P, Q, K);
}

long long calculate(int P, int Q, int U, int V) {
    return quer2d(root, 0, N-1, P, U, Q, V);
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5580 KB Output is correct
2 Correct 9 ms 5752 KB Output is correct
3 Correct 10 ms 5708 KB Output is correct
4 Correct 4 ms 5580 KB Output is correct
5 Correct 4 ms 5580 KB Output is correct
6 Correct 10 ms 5708 KB Output is correct
7 Correct 4 ms 5580 KB Output is correct
8 Correct 4 ms 5580 KB Output is correct
9 Correct 8 ms 5708 KB Output is correct
10 Correct 5 ms 5584 KB Output is correct
11 Correct 5 ms 5708 KB Output is correct
12 Correct 4 ms 5580 KB Output is correct

Subtask #2
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5624 KB Output is correct
2 Correct 4 ms 5580 KB Output is correct
3 Correct 4 ms 5580 KB Output is correct
4 Correct 1830 ms 23620 KB Output is correct
5 Correct 1139 ms 23860 KB Output is correct
6 Correct 3054 ms 20752 KB Output is correct
7 Correct 3193 ms 20308 KB Output is correct
8 Correct 1815 ms 14288 KB Output is correct
9 Correct 3275 ms 20712 KB Output is correct
10 Correct 2859 ms 20428 KB Output is correct
11 Correct 4 ms 5580 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5580 KB Output is correct
2 Correct 10 ms 5708 KB Output is correct
3 Correct 9 ms 5708 KB Output is correct
4 Correct 4 ms 5580 KB Output is correct
5 Correct 4 ms 5580 KB Output is correct
6 Correct 9 ms 5668 KB Output is correct
7 Correct 4 ms 5580 KB Output is correct
8 Correct 4 ms 5580 KB Output is correct
9 Correct 8 ms 5700 KB Output is correct
10 Correct 5 ms 5580 KB Output is correct
11 Correct 5 ms 5708 KB Output is correct
12 Correct 1986 ms 14160 KB Output is correct
13 Correct 4133 ms 9256 KB Output is correct
14 Correct 797 ms 6400 KB Output is correct
15 Correct 4323 ms 10536 KB Output is correct
16 Correct 1504 ms 12728 KB Output is correct
17 Correct 2661 ms 10900 KB Output is correct
18 Correct 4840 ms 12984 KB Output is correct
19 Correct 4239 ms 13152 KB Output is correct
20 Correct 3805 ms 12536 KB Output is correct
21 Correct 4 ms 5580 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5580 KB Output is correct
2 Correct 9 ms 5700 KB Output is correct
3 Correct 10 ms 5708 KB Output is correct
4 Correct 3 ms 5580 KB Output is correct
5 Correct 4 ms 5580 KB Output is correct
6 Correct 9 ms 5708 KB Output is correct
7 Correct 4 ms 5580 KB Output is correct
8 Correct 4 ms 5580 KB Output is correct
9 Correct 8 ms 5692 KB Output is correct
10 Correct 5 ms 5708 KB Output is correct
11 Correct 5 ms 5728 KB Output is correct
12 Correct 1717 ms 23688 KB Output is correct
13 Correct 1096 ms 23748 KB Output is correct
14 Correct 2970 ms 20788 KB Output is correct
15 Correct 3204 ms 20488 KB Output is correct
16 Correct 1819 ms 14232 KB Output is correct
17 Correct 3145 ms 20656 KB Output is correct
18 Correct 2801 ms 20176 KB Output is correct
19 Correct 1841 ms 14276 KB Output is correct
20 Correct 4085 ms 9352 KB Output is correct
21 Correct 745 ms 6212 KB Output is correct
22 Correct 4312 ms 10632 KB Output is correct
23 Correct 1542 ms 12824 KB Output is correct
24 Correct 2635 ms 10980 KB Output is correct
25 Correct 4721 ms 13232 KB Output is correct
26 Correct 4149 ms 13316 KB Output is correct
27 Correct 3658 ms 12716 KB Output is correct
28 Correct 1248 ms 28708 KB Output is correct
29 Correct 2192 ms 34056 KB Output is correct
30 Correct 4265 ms 26948 KB Output is correct
31 Correct 3832 ms 23824 KB Output is correct
32 Correct 714 ms 14784 KB Output is correct
33 Correct 1058 ms 15104 KB Output is correct
34 Correct 1654 ms 29072 KB Output is correct
35 Correct 2505 ms 23428 KB Output is correct
36 Correct 4886 ms 31004 KB Output is correct
37 Correct 3843 ms 31088 KB Output is correct
38 Correct 4074 ms 30524 KB Output is correct
39 Correct 3419 ms 27516 KB Output is correct
40 Correct 4 ms 5580 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5580 KB Output is correct
2 Correct 9 ms 5708 KB Output is correct
3 Correct 8 ms 5688 KB Output is correct
4 Correct 4 ms 5580 KB Output is correct
5 Correct 5 ms 5580 KB Output is correct
6 Correct 9 ms 5708 KB Output is correct
7 Correct 4 ms 5580 KB Output is correct
8 Correct 5 ms 5580 KB Output is correct
9 Correct 11 ms 5712 KB Output is correct
10 Correct 6 ms 5584 KB Output is correct
11 Correct 5 ms 5708 KB Output is correct
12 Correct 1747 ms 23552 KB Output is correct
13 Correct 1157 ms 23752 KB Output is correct
14 Correct 2997 ms 20624 KB Output is correct
15 Correct 3232 ms 20324 KB Output is correct
16 Correct 1797 ms 14016 KB Output is correct
17 Correct 3145 ms 20420 KB Output is correct
18 Correct 2776 ms 20280 KB Output is correct
19 Correct 1821 ms 14276 KB Output is correct
20 Correct 4089 ms 9312 KB Output is correct
21 Correct 739 ms 6248 KB Output is correct
22 Correct 4120 ms 10552 KB Output is correct
23 Correct 1555 ms 12612 KB Output is correct
24 Correct 2668 ms 10960 KB Output is correct
25 Correct 4681 ms 13188 KB Output is correct
26 Correct 4078 ms 13132 KB Output is correct
27 Correct 3670 ms 12608 KB Output is correct
28 Correct 1221 ms 28668 KB Output is correct
29 Correct 2132 ms 33668 KB Output is correct
30 Correct 4296 ms 26952 KB Output is correct
31 Correct 3861 ms 23820 KB Output is correct
32 Correct 712 ms 14756 KB Output is correct
33 Correct 1080 ms 15148 KB Output is correct
34 Correct 1644 ms 29052 KB Output is correct
35 Correct 2500 ms 23312 KB Output is correct
36 Correct 4756 ms 30876 KB Output is correct
37 Correct 3884 ms 30996 KB Output is correct
38 Correct 4032 ms 30396 KB Output is correct
39 Correct 1797 ms 51724 KB Output is correct
40 Correct 3566 ms 53752 KB Output is correct
41 Correct 6531 ms 43304 KB Output is correct
42 Correct 6120 ms 35856 KB Output is correct
43 Correct 2871 ms 48412 KB Output is correct
44 Correct 1147 ms 15904 KB Output is correct
45 Correct 3130 ms 29220 KB Output is correct
46 Correct 6458 ms 52624 KB Output is correct
47 Correct 6487 ms 52472 KB Output is correct
48 Correct 6466 ms 52124 KB Output is correct
49 Correct 3 ms 5580 KB Output is correct