oj.uz

답안 #928408

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
928408 2024-02-16T10:40:40 Z VMaksimoski008 말 (IOI15_horses) C++14
54 / 100
 221 ms 101204 KB 
#include <bits/stdc++.h>
#include "horses.h"
 
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
 
using namespace std;
 
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using Node = pair<double, int>;
 
const int mod = 1e9 + 7;
const int maxn = 1e5 + 5;
 
int n;
vector<int> X(5*maxn), Y(5*maxn), PS(5*maxn);
vector<double> logX(5*maxn), logY(5*maxn), PL(5*maxn);
 
Node merge(Node a, Node b) {
    if(a.first > b.first) return a;
    return b;
}
 
struct SegTree {
    int N;
    vector<ll> prod;
    vector<Node> tree;
    vector<double> lazy;
 
    void init() {
        N = n;
        prod.resize(5*N+5);
        tree.resize(5*N+5);
        lazy.resize(5*N+5);
        build(1, 0, N-1);
    }
 
    void push(int u, int tl, int tr) {
        if(lazy[u] == 0) return ;
 
        tree[u].first += lazy[u];
 
        if(tl != tr) {
            lazy[2*u] += lazy[u];
            lazy[2*u+1] += lazy[u];
        }
 
        lazy[u] = 0;
    }
 
    void build(int u, int tl, int tr) {
        if(tl == tr) {
            tree[u] = { PL[tl] + logY[tl], tl };
            prod[u] = X[tl];
        } else {
            int tm = (tl + tr) / 2;
            build(2*u, tl, tm);
            build(2*u+1, tm+1, tr);
            prod[u] = (prod[2*u] * prod[2*u+1]) % mod;
            tree[u] = merge(tree[2*u], tree[2*u+1]);
        }
    }
 
    void updateProd(int u, int tl, int tr, int pos, int val) {
        if(tl == tr) {
            prod[u] = val;
        } else {
            int tm = (tl + tr) / 2;
            if(pos <= tm)
                updateProd(2*u, tl, tm, pos, val);
            else
                updateProd(2*u+1, tm+1, tr, pos, val);
            prod[u] = (prod[2*u] * prod[2*u+1]) % mod;
        }
    }
 
    void updatePos(int u, int tl, int tr, int l, int r, double val) {
        push(u, tl, tr);
        if(tl > tr || tl > r || l > tr) return ;
 
        if(l <= tl && tr <= r) {
            lazy[u] += val;
            push(u, tl, tr);
            return ;
        }
 
        int tm = (tl + tr) / 2;
        updatePos(2*u, tl, tm, l, r, val);
        updatePos(2*u+1, tm+1, tr, l, r, val);
        tree[u] = merge(tree[2*u], tree[2*u+1]);
    }
 
    ll getProd(int u, int tl, int tr, int l, int r) {
        if(tl > tr || l > tr || tl > r) return 1;
        if(l <= tl && tr <= r) return prod[u];
        int tm = (tl + tr) / 2;
        return (
            getProd(2*u, tl, tm, l, r) *
            getProd(2*u+1, tm+1, tr, l, r)
        ) % mod;
    }
 
    Node getPos(int u, int tl, int tr, int l, int r) {
        if(tl > tr || l > tr || tl > r) return { -1e18, 0 };
        push(u, tl, tr);
        if(l <= tl && tr <= r) return tree[u];
        int tm = (tl + tr) / 2;
        return merge(
            getPos(2*u, tl, tm, l, r),
            getPos(2*u+1, tm+1, tr, l, r)
        );
    }
 
    void updateProd(int pos, int val) { updateProd(1, 0, N-1, pos, val); }
    ll getProd(int p) { return getProd(1, 0, N-1, 0, p); } 
    int getPos() { return getPos(1, 0, N-1, 0, N-1).second; }
    void updatePos(int l, int r, double val) { updatePos(1, 0, N-1, l, r, val); }
} tree;
 
int calc() {
    int pos = tree.getPos();
    ll ans = (tree.getProd(pos) * Y[pos]) % mod;
    return (int)ans;
}
 
int init(int N, int x[], int y[]) {
    n = N;
    for(int i=0; i<n; i++) {
        X[i] = x[i], Y[i] = y[i];
        PS[i] = X[i];
        if(i) PS[i] = (1ll * PS[i] * PS[i-1]) % mod;
        logX[i] = log10(X[i]), logY[i] = log10(y[i]);
        PL[i] = logX[i];
        if(i) PL[i] += PL[i-1];
    }
 
    tree.init();
    
    return calc();
}
 
int updateX(int p, int v) {
    tree.updatePos(p, n-1, -logX[p]);
    X[p] = v, logX[p] = log10(v);
    tree.updateProd(p, v);
    tree.updatePos(p, n-1, log10(v));
    return calc();
}
 
int updateY(int p, int v) {
    tree.updatePos(p, p, -logY[p]);
    Y[p] = v, logY[p] = log10(v);
    tree.updatePos(p, p, log10(v));
    return calc();
}
 
// int main() {
//     int n;
//     cin >> n;
//     int x[n], y[n];
//     for(int i=0; i<n; i++) cin >> x[i];
//     for(int i=0; i<n; i++) cin >> y[i];
//     cout << init(n, x, y) << '\n';
    
//     int m;
//     cin >> m;
 
//     while(m--) {
//         int t, p, v;
//         cin >> t >> p >> v;
//         if(t == 1) cout << updateX(p, v) << '\n';
//         else cout << updateY(p, v) << '\n';
//     }
 
//     return 0;
// }

Compilation message

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:134:47: warning: conversion from 'long long int' to '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} may change value [-Wconversion]
  134 |         if(i) PS[i] = (1ll * PS[i] * PS[i-1]) % mod;
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 18008 KB Output is correct
2 Correct 5 ms 18012 KB Output is correct
3 Correct 5 ms 17932 KB Output is correct
4 Correct 5 ms 18012 KB Output is correct
5 Correct 6 ms 17956 KB Output is correct
6 Correct 7 ms 18012 KB Output is correct
7 Correct 6 ms 17920 KB Output is correct
8 Correct 7 ms 18008 KB Output is correct
9 Correct 6 ms 18008 KB Output is correct
10 Correct 5 ms 18008 KB Output is correct
11 Correct 6 ms 18044 KB Output is correct
12 Correct 6 ms 18000 KB Output is correct
13 Correct 6 ms 18012 KB Output is correct
14 Correct 5 ms 18020 KB Output is correct
15 Correct 8 ms 18012 KB Output is correct
16 Correct 5 ms 18012 KB Output is correct
17 Correct 6 ms 18012 KB Output is correct
18 Correct 5 ms 18012 KB Output is correct
19 Correct 6 ms 17988 KB Output is correct
20 Correct 6 ms 18012 KB Output is correct

Subtask #2
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 18012 KB Output is correct
2 Correct 6 ms 18012 KB Output is correct
3 Correct 5 ms 18012 KB Output is correct
4 Correct 6 ms 18008 KB Output is correct
5 Correct 6 ms 18012 KB Output is correct
6 Correct 6 ms 18012 KB Output is correct
7 Correct 5 ms 17828 KB Output is correct
8 Correct 6 ms 18012 KB Output is correct
9 Correct 6 ms 18012 KB Output is correct
10 Correct 6 ms 17868 KB Output is correct
11 Correct 7 ms 18012 KB Output is correct
12 Correct 5 ms 18012 KB Output is correct
13 Correct 5 ms 18012 KB Output is correct
14 Correct 5 ms 18012 KB Output is correct
15 Correct 6 ms 18012 KB Output is correct
16 Correct 7 ms 17828 KB Output is correct
17 Correct 7 ms 18012 KB Output is correct
18 Correct 5 ms 18012 KB Output is correct
19 Correct 6 ms 17980 KB Output is correct
20 Correct 6 ms 18012 KB Output is correct
21 Correct 6 ms 18008 KB Output is correct
22 Correct 7 ms 18008 KB Output is correct
23 Correct 6 ms 18012 KB Output is correct
24 Correct 6 ms 18012 KB Output is correct
25 Correct 7 ms 18248 KB Output is correct
26 Correct 6 ms 18012 KB Output is correct
27 Correct 6 ms 18012 KB Output is correct
28 Correct 6 ms 18128 KB Output is correct
29 Correct 6 ms 18012 KB Output is correct
30 Correct 6 ms 18012 KB Output is correct
31 Correct 6 ms 18008 KB Output is correct
32 Correct 6 ms 18012 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 118 ms 101204 KB Output is correct
2 Correct 212 ms 101068 KB Output is correct
3 Correct 172 ms 101204 KB Output is correct
4 Correct 197 ms 101088 KB Output is correct

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 18012 KB Output is correct
2 Correct 5 ms 18012 KB Output is correct
3 Correct 5 ms 18012 KB Output is correct
4 Correct 6 ms 17948 KB Output is correct
5 Correct 6 ms 18012 KB Output is correct
6 Correct 5 ms 18012 KB Output is correct
7 Correct 6 ms 18012 KB Output is correct
8 Correct 6 ms 18012 KB Output is correct
9 Correct 6 ms 18048 KB Output is correct
10 Correct 5 ms 18012 KB Output is correct
11 Correct 5 ms 18012 KB Output is correct
12 Correct 6 ms 18008 KB Output is correct
13 Correct 6 ms 18008 KB Output is correct
14 Correct 6 ms 18012 KB Output is correct
15 Correct 6 ms 18012 KB Output is correct
16 Correct 5 ms 17992 KB Output is correct
17 Correct 5 ms 18008 KB Output is correct
18 Correct 6 ms 18264 KB Output is correct
19 Correct 5 ms 18012 KB Output is correct
20 Correct 6 ms 18012 KB Output is correct
21 Correct 5 ms 18012 KB Output is correct
22 Correct 5 ms 18012 KB Output is correct
23 Correct 6 ms 18008 KB Output is correct
24 Correct 6 ms 18008 KB Output is correct
25 Correct 6 ms 18012 KB Output is correct
26 Correct 7 ms 18012 KB Output is correct
27 Correct 7 ms 18008 KB Output is correct
28 Correct 6 ms 18012 KB Output is correct
29 Correct 6 ms 18012 KB Output is correct
30 Correct 6 ms 18012 KB Output is correct
31 Correct 6 ms 18012 KB Output is correct
32 Correct 5 ms 18012 KB Output is correct
33 Correct 64 ms 100156 KB Output is correct
34 Correct 64 ms 100284 KB Output is correct
35 Correct 85 ms 100196 KB Output is correct
36 Correct 81 ms 100188 KB Output is correct
37 Correct 54 ms 100176 KB Output is correct
38 Correct 57 ms 100180 KB Output is correct
39 Correct 48 ms 100176 KB Output is correct
40 Correct 71 ms 100180 KB Output is correct
41 Correct 48 ms 100212 KB Output is correct
42 Correct 47 ms 100280 KB Output is correct
43 Correct 62 ms 100180 KB Output is correct
44 Incorrect 63 ms 100372 KB Output isn't correct
45 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 18012 KB Output is correct
2 Correct 5 ms 18012 KB Output is correct
3 Correct 5 ms 18012 KB Output is correct
4 Correct 5 ms 18012 KB Output is correct
5 Correct 6 ms 17844 KB Output is correct
6 Correct 6 ms 18012 KB Output is correct
7 Correct 6 ms 18012 KB Output is correct
8 Correct 7 ms 18020 KB Output is correct
9 Correct 6 ms 18012 KB Output is correct
10 Correct 6 ms 18012 KB Output is correct
11 Correct 5 ms 17864 KB Output is correct
12 Correct 6 ms 18012 KB Output is correct
13 Correct 6 ms 18008 KB Output is correct
14 Correct 6 ms 18012 KB Output is correct
15 Correct 6 ms 17916 KB Output is correct
16 Correct 5 ms 18012 KB Output is correct
17 Correct 6 ms 18012 KB Output is correct
18 Correct 5 ms 18012 KB Output is correct
19 Correct 5 ms 18012 KB Output is correct
20 Correct 6 ms 18008 KB Output is correct
21 Correct 6 ms 18012 KB Output is correct
22 Correct 7 ms 18012 KB Output is correct
23 Correct 6 ms 18264 KB Output is correct
24 Correct 6 ms 18008 KB Output is correct
25 Correct 8 ms 18012 KB Output is correct
26 Correct 6 ms 18012 KB Output is correct
27 Correct 6 ms 18012 KB Output is correct
28 Correct 6 ms 18008 KB Output is correct
29 Correct 7 ms 18012 KB Output is correct
30 Correct 6 ms 18120 KB Output is correct
31 Correct 6 ms 18008 KB Output is correct
32 Correct 7 ms 18264 KB Output is correct
33 Correct 107 ms 101192 KB Output is correct
34 Correct 221 ms 101132 KB Output is correct
35 Correct 177 ms 101204 KB Output is correct
36 Correct 198 ms 101204 KB Output is correct
37 Correct 65 ms 100328 KB Output is correct
38 Correct 65 ms 100176 KB Output is correct
39 Correct 82 ms 100308 KB Output is correct
40 Correct 82 ms 100224 KB Output is correct
41 Correct 52 ms 100260 KB Output is correct
42 Correct 60 ms 100436 KB Output is correct
43 Correct 54 ms 100180 KB Output is correct
44 Correct 69 ms 100176 KB Output is correct
45 Correct 47 ms 100332 KB Output is correct
46 Correct 48 ms 100180 KB Output is correct
47 Correct 64 ms 100148 KB Output is correct
48 Incorrect 61 ms 100176 KB Output isn't correct
49 Halted 0 ms 0 KB -