Submission #22929907

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Source Code Expand

/**
 *   @FileName	a.cpp
 *   @Author	kanpurin
 *   @Created	2021.05.26 19:50:20
**/

#include "bits/stdc++.h" 
using namespace std; 
typedef long long ll;


template < class Monoid >
struct SegmentTree {
private:
    using Func = std::function< Monoid(Monoid, Monoid) >;
    Func F;
    Monoid UNITY;
    int n;
    std::vector< Monoid > node;
    int _binary_search(int a, int b, const std::function<bool(Monoid)> &f, Monoid &s, int k = 0, int l = 0, int r = -1) {
        if (r < 0) r = n;
        if (r <= a || b <= l) return n;
        if (a <= l && r <= b && !f(F(s,node[k]))) {
            s = F(s,node[k]);
            return n;
        }
        if (l == r - 1) {s = F(s,node[k]); return l;}
        int ret = _binary_search(a, b, f, s, 2 * k + 1, l, (r - l) / 2 + l);
        return ret != n ? ret : _binary_search(a, b, f, s, 2 * k + 2, (r - l) / 2 + l, r);
    }
public:
    SegmentTree() {}
    SegmentTree(const std::vector< Monoid > &v, const Func f, const Monoid &unity) {
        F = f;
        UNITY = unity;
        int sz = v.size();
        n = 1;
        while (n < sz) n <<= 1;
        node.resize(n * 2 - 1, UNITY);
        for (int i = 0; i < sz; i++) node[i + n - 1] = v[i];
        build();
    }
    
    SegmentTree(int m, const Monoid &val, const Func f, const Monoid &unity) {
        F = f;
        UNITY = unity;
        n = 1;
        while (n < m) n <<= 1;
        node.resize(n * 2 - 1, UNITY);
        if (val != UNITY) {
            for (int i = 0; i < m; i++) node[i + n - 1] = val;
            build();
        }
    }
    
    void set(int k, const Monoid &x) {
        node[n + k - 1] = x;
    }
    void build() {
        for (int i = n - 2; i >= 0; i--) node[i] = F(node[2 * i + 1], node[2 * i + 2]);
    }
    void update_query(int x, const Monoid &val) {
        if (x >= n || x < 0) return;
        x += n - 1;
        node[x] = val;
        while (x > 0) {
            x = (x - 1) >> 1;
            node[x] = F(node[2 * x + 1], node[2 * x + 2]);
        }
    }
    
    Monoid get_query(int l, int r) {
        Monoid L = UNITY, R = UNITY;
        if (l < 0) l = 0;
        if (r < 0) return UNITY;
        if (l >= n) return UNITY;
        if (r >= n) r = n;
        for (l += n, r += n; l < r; l >>= 1, r >>= 1) {
            if (l & 1) L = F(L, node[l++ - 1]);
            if (r & 1) R = F(node[--r - 1], R);
        }
        return F(L, R);
    }
    
    
    int binary_search(int l, int r, const std::function<bool(Monoid)> &f) {
        Monoid s = UNITY;
        int ret = _binary_search(l,r,f,s);
        return ret != n ? ret : -1;
    }
    Monoid operator[](int x) const {
        return node[n + x - 1];
    }
    int size() {
        return n;
    }
    void print() {
        for (int i = 0; i < n; i++) {
            std::cout << i << "\t: " << node[n + i - 1] << std::endl;
        }
    }
};
int main() {
    int n;cin >> n;
    vector<int> p(n);
    vector<array<int,3>> q(n);
    vector<ll> a_sum(n+1),b_sum(n+1),c_sum(n+1);
    for (int i = 0; i < n; i++) {
        int a;cin >> a; p[a-1] = i;
    }
    for (int i = 0; i < n; i++) {
        cin >> q[i][0];
        for (int j = 1; j < 3; j++) {
            cin >> q[i][j];
            q[i][j] = min(q[i][j],q[i][0]);
        }
        a_sum[i+1] = a_sum[i] + q[i][0];
        b_sum[i+1] = b_sum[i] + q[i][1];
        c_sum[i+1] = c_sum[i] + q[i][2];
    }
    SegmentTree<ll> dp(n,1LL<<60, [](ll a,ll b){return min(a,b);},1LL<<60);
    for (int i = 0; i < n; i++) {
        dp.update_query(p[i],min(dp.get_query(0,p[i])+a_sum[i],b_sum[i])-a_sum[i+1]);
    }
    ll ans = 1LL<<60;
    for (int i = 0; i < n; i++) {
        ans = min(ans,dp[p[i]]+a_sum[i+1]-c_sum[i+1]+c_sum[n]);
    }
    cout << ans << endl;
    return 0;
}

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