oj.uz

Submission #461223

# Submission time Handle Problem Language Result Execution time Memory
461223 2021-08-09T14:39:40 Z dxz05 Trading (IZhO13_trading) C++14
100 / 100
 260 ms 18624 KB 
#pragma GCC optimize("Ofast,O2,O3")
#pragma GCC target("avx2")

#include <bits/stdc++.h>

using namespace std;

void debug_out() { cerr << endl; }

template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
    cerr << "[" << H << "]";
    debug_out(T...);
}

#ifdef dddxxz
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

#define SZ(s) ((int)s.size())
#define all(x) (x).begin(), (x).end()
#define revall(x) (x).rbegin(), (x).rend()

clock_t startTime;

double getCurrentTime() {
    return (double) (clock() - startTime) / CLOCKS_PER_SEC;
}

#define MP make_pair

typedef long long ll;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
const double eps = 0.00001;
const int MOD = 1e9;
const int INF = 1000000101;
const long long LLINF = 1223372000000000555;
const int N = 5e5 + 3e2;
const int M = 5522;

int n, m;
int t[N * 4];

void build(int v = 1, int tl = 1, int tr = n){
    if (tl == tr){
        t[v] = 1;
        return;
    }

    int tm = (tl + tr) >> 1;
    build(v + v, tl, tm);
    build(v + v + 1, tm + 1, tr);

    t[v] = t[v + v] + t[v + v + 1];
}

void update(int pos, int v = 1, int tl = 1, int tr = n){
    if (tl == tr){
        t[v] = 0;
        return;
    }

    int tm = (tl + tr) >> 1;
    if (pos <= tm) update(pos, v + v, tl, tm); else
        update(pos, v + v + 1, tm + 1, tr);

    t[v] = t[v + v] + t[v + v + 1];
}

int find(int k, int v = 1, int tl = 1, int tr = n){
    if (k > t[v]) return n + 1;
    if (tl == tr) return tl;
    int tm = (tl + tr) >> 1;
    if (t[v + v] >= k) return find(k, v + v, tl, tm); else
        return find(k - t[v + v], v + v + 1, tm + 1, tr);
}

int f[N];

void add(int x, int y){
    while (x < N){
        f[x] += y;
        x += (-x & x);
    }
}

int get(int x){
    int res = 0;
    while (x > 0){
        res += f[x];
        x -= (-x & x);
    }
    return res;
}

int ans[N];
int lf[N], rg[N], val[N];

void solve(int TC) {
    cin >> n >> m;

    vector<int> perm(m);
    for (int i = 1; i <= m; i++){
        cin >> lf[i] >> rg[i] >> val[i];
        perm[i - 1] = i;
    }

    for (int i = 1; i <= n; i++){
        add(i, 1);
    }

    build();

    sort(all(perm), [](int i, int j){
        return val[i] - lf[i] > val[j] - lf[j];
    });

    for (int i : perm){
        debug(i);
        int cur = get(lf[i]);
        if (get(lf[i]) - get(lf[i] - 1) == 0) cur++;

        debug(cur);

        int ind = find(cur);

        while (ind <= rg[i]){
            ans[ind] = val[i] + ind - lf[i];
            update(ind);
            add(ind, -1);
            debug(cur, ind);

            ind = find(cur);
        }
    }

    for (int i = 1; i <= n; i++){
        cout << ans[i] << ' ';
    }

}

int main() {
    startTime = clock();
    cin.tie(nullptr);
    cout.tie(nullptr);
    ios_base::sync_with_stdio(false);

    bool llololcal = false;
#ifdef dddxxz
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    llololcal = true;
#endif

    int TC = 1;
    //cin >> TC;

    for (int test = 1; test <= TC; test++) {
        debug(test);
        //cout << "Case #" << test << ": ";
        solve(test);
    }

    if (llololcal) cerr << endl << "Time: " << int(getCurrentTime() * 1000) << " ms" << endl;

    return 0;
}

Compilation message

trading.cpp: In function 'void solve(int)':
trading.cpp:19:20: warning: statement has no effect [-Wunused-value]
   19 | #define debug(...) 42
      |                    ^~
trading.cpp:121:9: note: in expansion of macro 'debug'
  121 |         debug(i);
      |         ^~~~~
trading.cpp:19:20: warning: statement has no effect [-Wunused-value]
   19 | #define debug(...) 42
      |                    ^~
trading.cpp:125:9: note: in expansion of macro 'debug'
  125 |         debug(cur);
      |         ^~~~~
trading.cpp:19:20: warning: statement has no effect [-Wunused-value]
   19 | #define debug(...) 42
      |                    ^~
trading.cpp:133:13: note: in expansion of macro 'debug'
  133 |             debug(cur, ind);
      |             ^~~~~
trading.cpp: In function 'int main()':
trading.cpp:19:20: warning: statement has no effect [-Wunused-value]
   19 | #define debug(...) 42
      |                    ^~
trading.cpp:162:9: note: in expansion of macro 'debug'
  162 |         debug(test);
      |         ^~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 460 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 135 ms 9456 KB Output is correct
8 Correct 148 ms 10504 KB Output is correct
9 Correct 144 ms 10548 KB Output is correct
10 Correct 153 ms 10712 KB Output is correct
11 Correct 171 ms 11948 KB Output is correct
12 Correct 180 ms 12288 KB Output is correct
13 Correct 206 ms 12776 KB Output is correct
14 Correct 192 ms 12648 KB Output is correct
15 Correct 200 ms 14028 KB Output is correct
16 Correct 216 ms 14240 KB Output is correct
17 Correct 236 ms 16212 KB Output is correct
18 Correct 223 ms 17092 KB Output is correct
19 Correct 246 ms 16648 KB Output is correct
20 Correct 260 ms 18624 KB Output is correct