Submission #1067255

#	Time	Username	Problem	Language	Result	Execution time	Memory
1067255		TrinhKhanhDung	Trading (IZhO13_trading)	C++14	100 / 100	146 ms	17236 KiB

trading

#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define sz(x) (int)x.size()
#define ALL(v) v.begin(),v.end()
#define MASK(k) (1LL << (k))
#define BIT(x, i) (((x) >> (i)) & 1)
#define oo (ll)1e18
#define INF (ll)1e9
#define MOD (ll)(1e9 + 19972207)

using namespace std;

template<class T1, class T2>
    bool maximize(T1 &a, T2 b){if(a < b){a = b; return true;} return false;}

template<class T1, class T2>
    bool minimize(T1 &a, T2 b){if(a > b){a = b; return true;} return false;}

template<class T1, class T2>
    void add(T1 &a, T2 b){a += b; if(a >= MOD) a -= MOD;}

template<class T1, class T2>
    void sub(T1 &a, T2 b){a -= b; if(a < 0) a += MOD;}

template<class T>
    void cps(T &v){sort(ALL(v)); v.resize(unique(ALL(v)) - v.begin());}

struct SegmentTree{
    vector<int> val, laz;
    int n;

    SegmentTree(int _n = 0){
        n = _n;
        val.resize(4 * n + 3, -1);
    }

    void push(int i){
        if(val[i] == -1) return;
        val[i * 2] = val[i * 2 + 1] = val[i];
        val[i] = -1;
    }

    void upd(int i, int l, int r, int u, int v, int c){
        if(r < u || v < l) return;
        if(u <= l && r <= v){
            val[i] = c;
            return;
        }
        push(i);
        int m = (l + r) >> 1;
        upd(i * 2, l, m, u, v, c);
        upd(i * 2 + 1, m + 1, r, u, v, c);
    }

    void upd(int u, int v, int c){
        upd(1, 1, n, u, v, c);
    }

    int get(int p){
        int i = 1, l = 1, r = n;
        while(l < r){
            push(i);
            int m = (l + r) >> 1;
            if(p <= m){
                i = i * 2;
                r = m;
            }
            else{
                i = i * 2 + 1;
                l = m + 1;
            }
        }
        return val[i];
    }
};

void solve(){
    int n, m; cin >> n >> m;
    vector<int> L(m), R(m), X(m), p(m);
    for(int i=0; i<m; i++){
        cin >> L[i] >> R[i] >> X[i];
        p[i] = i;
    }
    sort(ALL(p), [&](int i, int j){return X[i] - L[i] < X[j] - L[j];});
    SegmentTree it(n);
    for(int i=0; i<m; i++){
        it.upd(L[p[i]], R[p[i]], p[i]);
    }
    for(int i=1; i<=n; i++){
        int id = it.get(i);
        if(id == -1){
            cout << 0 << ' ';
        }
        else{
            cout << X[id] + i - L[id] << ' ';
        }
    }
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
//    freopen("mmgraph.inp", "r", stdin);
//    freopen("mmgraph.out", "w", stdout);

    int t = 1;
//    cin >> t;
    while(t--){
        solve();
    }

    return 0;
}

• Subtask 1: 100 / 100