oj.uz

답안 #365838

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
365838 2021-02-12T12:39:22 Z vaaven Two Dishes (JOI19_dishes) C++14
5 / 100
 557 ms 77572 KB 
//#pragma GCC target("avx2")
//#pragma GCC optimize("O3")
#include <iostream>
#include <vector>
#include <algorithm>
#include <math.h>
#include <set>
#include <stack>
#include <iomanip>
#include <bitset>
#include <map>
#include <cassert>
#include <array>
#include <queue>
#include <cstring>
#include <random>
#include <unordered_set>
#include <unordered_map>
#define pqueue priority_queue
#define pb(x) push_back(x)
// #define endl '\n'
#define all(x) x.begin(), x.end()
#define int long  long

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef vector<int> vi;
typedef vector<vector<int> > vvi;
// typedef tuple<ll, ll, ll> tiii;
typedef pair<int, int> pii;
typedef vector<pair<int, int> > vpii;
typedef vector<bool> vb;
typedef vector<string> vs;
typedef vector<char> vc;

const int inf = 1e9;
const ll mod = 1e9 + 7;
const ll mod2 = 998244353;
const ld eps = 1e-14;


void fast_io(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
//    freopen("cbs.in", "r", stdin);
//    freopen("cbs.out", "w", stdout);
}

const int maxn = 1e6 + 228;

vpii kek[maxn];
int t[maxn*4];
int cnt[maxn*4];
int A[maxn], B[maxn], S[maxn], T[maxn], P[maxn], Q[maxn];

void push(int v, int l, int r){
    if(cnt[v] != 0){
        t[v] += cnt[v];
        if(l != r){
            cnt[v*2] += cnt[v];
            cnt[v*2+1] += cnt[v];
        }
        cnt[v] = 0;
    }
}

int get(int v, int l, int r, int ql, int qr){
    push(v, l, r);
    if(ql <= l && r <= qr){
        return t[v];
    } else if(l > qr || ql > r){
        return -1e18;
    } else{
        int mid = (l + r)/2;
        int ans = max(get(v*2, l, mid, ql, qr), get(v*2+1, mid+1, r, ql, qr));
        t[v] = max(t[v*2], t[v*2+1]);
        return ans;
    }
}

void add(int v, int l, int r, int ql, int qr, int k){
    push(v, l, r);
    if(ql <= l && r <= qr){
        cnt[v] += k;
        push(v, l, r);
    } else if(l > qr || ql > r){
        return;
    } else{
        int mid = (l+r)/2;
        add(v*2, l, mid, ql, qr, k);
        add(v*2+1, mid+1, r, ql, qr, k);
        t[v] = max(t[v*2], t[v*2+1]);
    }
}

void upd(int v, int l, int r, int k, int k_new){
    push(v, l, r);
    if(l==r){
        t[v] = max(k_new, t[v]);
    } else{
        int mid = (l+r)/2;
        if(k <= mid){
            upd(v*2, l, mid, k, k_new);
        } else{
            upd(v*2+1, mid+1, r, k, k_new);
        }
        t[v] = max(t[v*2], t[v*2+1]);
    }
}

void solve(){
    int n, m;
    cin >> n >> m;
    for(int &i:t)
        i = -1e18;
//    cout << t[0] << endl;
    upd(1, 0, maxn, 0, 0);
    for(int i=1; i<=n; i++){
        cin >> A[i] >> S[i] >> P[i];
        A[i] += A[i-1];
    }
    for(int i=1; i<=m; i++){
        cin >> B[i] >> T[i] >> Q[i];
        B[i] += B[i-1];
    }
    int ans = 0;
    for(int i=1; i<=n; i++){
        if(A[i] > S[i]){
            continue;
        }
        if(A[i] + B[m] <= S[i]){
            ans += P[i];
            continue;
        }
        int l = 0, r = m;
        int j = 0;
        while(l<=r){
            int mid = (l+r)/2;
            if(B[mid] <= S[i]-A[i]){
                l = mid+1;
                j = mid;
            } else{
                r = mid-1;
            }
        }
        kek[i].pb(make_pair(j, P[i]));
    }
    for(int i=1; i<=m; i++){
        if(B[i] > T[i]){
            continue;
        }
        int l = 0, r = n;
        int j = 0;
        while(l<=r){
            int mid = (l+r)/2;
            if(A[mid] <= T[i]-B[i]){
                l = mid+1;
                j = mid;
            } else{
                r = mid-1;
            }
        }
        ans += Q[i];
        if(j < n){
            kek[j+1].pb(make_pair(i, -Q[i]));
        }
    }
    for(int i=0; i<=n; i++){
        sort(all(kek[i]));
        while(!kek[i].empty()){
            while(kek[i].size() > 1){
                if(kek[i][kek[i].size()-1].first == kek[i][kek[i].size()-2].first){
                    kek[i][kek[i].size()-2].second += kek[i][kek[i].size()-1].second;
                    kek[i].pop_back();
                } else{
                    break;
                }
            }
            int lol = get(1, 0, maxn, 0, kek[i].back().first);
            upd(1, 0, maxn, kek[i].back().first+1, lol);
            add(1, 0, maxn, 0, kek[i].back().first, kek[i].back().second);
            kek[i].pop_back();
        }
    }
    ans += t[1];
    cout << ans << endl;
}

/*
4 3
2 1 1
3 8 1
2 13 1
1 13 1
3 6 1
2 11 1
2 15 1
======
5 7
16 73 16
17 73 10
20 73 1
14 73 16
18 73 10
3 73 2
10 73 7
16 73 19
12 73 4
15 73 15
20 73 14
15 73 8
=========
 9 11
 86 565 58
 41 469 -95
 73 679 28
 91 585 -78
 17 513 -63
 48 878 -66
 66 901 59
 72 983 -70
 68 1432 11
 42 386 -87
 36 895 57
 100 164 10
 96 812 -6
 23 961 -66
 54 193 51
 37 709 82
 62 148 -36
 28 853 22
 15 44 53
 77 660 -19
 */

signed main(){
     fast_io();
//  srand(time(NULL));
    cout << fixed << setprecision(10);
    int q = 1;
//    cin >> q;
    while(q--)
        solve();
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 522 ms 77572 KB Output is correct
2 Correct 525 ms 77104 KB Output is correct
3 Correct 204 ms 64748 KB Output is correct
4 Correct 439 ms 72428 KB Output is correct
5 Correct 36 ms 55296 KB Output is correct
6 Correct 461 ms 74488 KB Output is correct
7 Correct 123 ms 59884 KB Output is correct
8 Correct 120 ms 59884 KB Output is correct
9 Correct 211 ms 64768 KB Output is correct
10 Correct 557 ms 77420 KB Output is correct
11 Correct 154 ms 64620 KB Output is correct

Subtask #2
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 55276 KB Output is correct
2 Correct 36 ms 55148 KB Output is correct
3 Correct 41 ms 55180 KB Output is correct
4 Correct 42 ms 55148 KB Output is correct
5 Correct 37 ms 55276 KB Output is correct
6 Correct 36 ms 55148 KB Output is correct
7 Incorrect 37 ms 55276 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 55276 KB Output is correct
2 Correct 36 ms 55148 KB Output is correct
3 Correct 41 ms 55180 KB Output is correct
4 Correct 42 ms 55148 KB Output is correct
5 Correct 37 ms 55276 KB Output is correct
6 Correct 36 ms 55148 KB Output is correct
7 Incorrect 37 ms 55276 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 55276 KB Output is correct
2 Correct 36 ms 55148 KB Output is correct
3 Correct 41 ms 55180 KB Output is correct
4 Correct 42 ms 55148 KB Output is correct
5 Correct 37 ms 55276 KB Output is correct
6 Correct 36 ms 55148 KB Output is correct
7 Incorrect 37 ms 55276 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 55276 KB Output is correct
2 Correct 36 ms 55148 KB Output is correct
3 Correct 41 ms 55180 KB Output is correct
4 Correct 42 ms 55148 KB Output is correct
5 Correct 37 ms 55276 KB Output is correct
6 Correct 36 ms 55148 KB Output is correct
7 Incorrect 37 ms 55276 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 55276 KB Output is correct
2 Correct 36 ms 55148 KB Output is correct
3 Correct 41 ms 55180 KB Output is correct
4 Correct 42 ms 55148 KB Output is correct
5 Correct 37 ms 55276 KB Output is correct
6 Correct 36 ms 55148 KB Output is correct
7 Incorrect 37 ms 55276 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #7
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 522 ms 77572 KB Output is correct
2 Correct 525 ms 77104 KB Output is correct
3 Correct 204 ms 64748 KB Output is correct
4 Correct 439 ms 72428 KB Output is correct
5 Correct 36 ms 55296 KB Output is correct
6 Correct 461 ms 74488 KB Output is correct
7 Correct 123 ms 59884 KB Output is correct
8 Correct 120 ms 59884 KB Output is correct
9 Correct 211 ms 64768 KB Output is correct
10 Correct 557 ms 77420 KB Output is correct
11 Correct 154 ms 64620 KB Output is correct
12 Correct 36 ms 55276 KB Output is correct
13 Correct 36 ms 55148 KB Output is correct
14 Correct 41 ms 55180 KB Output is correct
15 Correct 42 ms 55148 KB Output is correct
16 Correct 37 ms 55276 KB Output is correct
17 Correct 36 ms 55148 KB Output is correct
18 Incorrect 37 ms 55276 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 522 ms 77572 KB Output is correct
2 Correct 525 ms 77104 KB Output is correct
3 Correct 204 ms 64748 KB Output is correct
4 Correct 439 ms 72428 KB Output is correct
5 Correct 36 ms 55296 KB Output is correct
6 Correct 461 ms 74488 KB Output is correct
7 Correct 123 ms 59884 KB Output is correct
8 Correct 120 ms 59884 KB Output is correct
9 Correct 211 ms 64768 KB Output is correct
10 Correct 557 ms 77420 KB Output is correct
11 Correct 154 ms 64620 KB Output is correct
12 Correct 36 ms 55276 KB Output is correct
13 Correct 36 ms 55148 KB Output is correct
14 Correct 41 ms 55180 KB Output is correct
15 Correct 42 ms 55148 KB Output is correct
16 Correct 37 ms 55276 KB Output is correct
17 Correct 36 ms 55148 KB Output is correct
18 Incorrect 37 ms 55276 KB Output isn't correct
19 Halted 0 ms 0 KB -