Submission #915197

#	Time	Username	Problem	Language	Result	Execution time	Memory
915197		Whisper	Trading (IZhO13_trading)	C++14	0 / 100	1 ms	6616 KiB

trading

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;
using T = tuple<ll, ll, ll>;

#define int long long
#define Base 41
#define sz(a) (int)a.size()
#define FOR(i, a, b) for ( int i = a ; i <= b ; i++ )
#define FORD(i, a, b) for (int i = b; i >= a; i --)
#define REP(i, n) for (int i = 0; i < n; ++i)
#define REPD(i, n) for (int i = n - 1; i >= 0; --i)
#define all(x) x.begin() , x.end()
#define pii pair<int , int>
#define fi first
#define se second
#define Lg(x) 31 - __builtin_clz(x)

#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)

constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int MAX = 3e5 + 5;
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

void setupIO(){
    #define name "Whisper"
    //Phu Trong from Nguyen Tat Thanh High School for gifted student
    srand(time(NULL));
    cin.tie(nullptr)->sync_with_stdio(false); cout.tie(nullptr);
    //freopen(name".inp", "r", stdin);
    //freopen(name".out", "w", stdout);
    cout << fixed << setprecision(10);
}

template <class X, class Y>
    bool minimize(X &x, const Y &y){
        X eps = 1e-9;
        if (x > y + eps) {x = y; return 1;}
        return 0;
    }

template <class X, class Y>
    bool maximize(X &x, const Y &y){
        X eps = 1e-9;
        if (x + eps < y) {x = y; return 1;}
        return 0;
    }


int N, M;
int dp[MAX];
int l[MAX], r[MAX], x[MAX];
int vis[MAX];
void Whisper(){
    cin >> N >> M;
    priority_queue<T, vector<T>, greater<T>> q;
    for (int i = 1; i <= M; ++i){
        cin >> l[i] >> r[i] >> x[i];
        x[i] = -x[i];
        q.emplace(x[i], i, l[i]);
        minimize(dp[l[i]], x[i]);
    }
    while (!q.empty()){
        auto[du, u, curPos] = q.top(); q.pop();
        if (vis[curPos]) continue;
        vis[curPos] = 1;
        if (curPos + 1 <= r[u]){
            if (minimize(dp[curPos + 1], du - 1)){
                q.emplace(dp[curPos + 1], u, curPos + 1);
            }
        }
    }
    for (int i = 1; i <= N; ++i) cout << -dp[i] << " ";
}


signed main(){
    setupIO();
    int Test = 1;
//    cin >> Test;
    for ( int i = 1 ; i <= Test ; i++ ){
        Whisper();
        if (i < Test) cout << '\n';
    }
}

Compilation message (stderr)

trading.cpp: In function 'void Whisper()':
trading.cpp:69:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   69 |         auto[du, u, curPos] = q.top(); q.pop();
      |             ^

• Subtask 1: 0 / 100