oj.uz

Submission #988072

# Submission time Handle Problem Language Result Execution time Memory
988072 2024-05-24T03:04:06 Z long Trading (IZhO13_trading) C++17
100 / 100
 397 ms 47228 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
const int N = 3e5 + 10;
 
int seg[N * 4], laz[N * 4];
 
void push(int id) {
    int &t = laz[id];
    laz[id * 2] += t;
    laz[id * 2 + 1] += t;
    seg[id * 2] += t;
    seg[id * 2 + 1] += t;
    t = 0;
}
 
void upd(int id, int l, int r, int u, int v, int c) {
    if (l > v || r < u)
        return;
 
    if (l >= u && r <= v) {
        laz[id] += c;
        seg[id] += c;
        return;
    }
 
    push(id);
    int m = (l + r) / 2;
    upd(id * 2, l, m, u, v, c);
    upd(id * 2 + 1, m + 1, r, u, v, c);
    seg[id] = max(seg[id * 2], seg[id * 2 + 1]);
}
 
void run(int id, int l, int r, int p, int v) {
    if (l > p || r < p)
        return;
 
    if (l == r) {
        seg[id] = v;
        laz[id] = 0;
        return;
    } 
 
    push(id);
    int m = (l + r) / 2;
    run(id * 2, l, m, p, v);
    run(id * 2 + 1, m + 1, r, p, v);
    seg[id] = max(seg[id * 2], seg[id * 2 + 1]);
}
 
vector <int> event[N];
int l[N], r[N], v[N];
 
main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
 
    seg[1] = laz[1] = -1e8;
    int n, m;
    cin >> n >> m;
 
    for (int i = 1; i <= m; i++) {
        cin >> l[i] >> r[i] >> v[i];
        event[l[i]].pb(i);
        event[r[i] + 1].pb(-i);
    }
 
    for (int i = 1; i <= n; i++) {
        upd(1, 1, m, 1, m, 1);
        for (auto x : event[i]) {
            if (x > 0) {
                run(1, 1, m, x, v[x]);
            } else {
                run(1, 1, m, -x, -1e8);
            }
        }
 
        cout << max(0LL, seg[1]) << " ";
    }
 
    return 0;
}

Compilation message

trading.cpp:55:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   55 | main() {
      | ^~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 8028 KB Output is correct
2 Correct 3 ms 8124 KB Output is correct
3 Correct 3 ms 8228 KB Output is correct
4 Correct 4 ms 8540 KB Output is correct
5 Correct 4 ms 8284 KB Output is correct
6 Correct 5 ms 8540 KB Output is correct
7 Correct 170 ms 28236 KB Output is correct
8 Correct 196 ms 30064 KB Output is correct
9 Correct 162 ms 30260 KB Output is correct
10 Correct 167 ms 30012 KB Output is correct
11 Correct 202 ms 32576 KB Output is correct
12 Correct 243 ms 32576 KB Output is correct
13 Correct 269 ms 33252 KB Output is correct
14 Correct 218 ms 32544 KB Output is correct
15 Correct 284 ms 35136 KB Output is correct
16 Correct 300 ms 35864 KB Output is correct
17 Correct 254 ms 34752 KB Output is correct
18 Correct 304 ms 43452 KB Output is correct
19 Correct 267 ms 35772 KB Output is correct
20 Correct 397 ms 47228 KB Output is correct