Submission #947917

#	Time	Username	Problem	Language	Result	Execution time	Memory
947917		vjudge306	Trading (IZhO13_trading)	C++14	100 / 100	204 ms	32068 KiB

trading

#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update>
#define nn "\n"
#define x_x ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define intt int _; cin >> _; while (_--)
#define emp push_back
#define mod 1000000007
#define all(v) v.begin(), v.end()
#define ld long double
#define A first
#define B second
#define int long long
typedef long long ll;
const ld eps = 1e-27;
// diff between decimals 0.000000001 mt19937 mt(time(nullptr));
 pair<int,int>nm[300005]; int X;
struct in {
int x; int i; int v;
};
struct com {

bool operator()(const pair<int,int>&a, const pair<int,int>&b) const {

//int i=, j=;

//if (i>j)
    return (a.A+(X-nm[a.B].A))<(b.A+(X-nm[b.B].A));
//return b.A<(a.A*-1);
}
};
signed main() {

    x_x
int n=0,m=0; cin>>n>>m; vector<in>ar[n];
for (int i=0, a, b, c; i<m; i++)
cin>>a>>b>>c, ar[a-1].emp({1,i,c}), nm[i]={a-1,b-1};

priority_queue<pair<int,int>,vector<pair<int,int>>,com>pq;

for(int i=0; i<n; i++) {
    int mx=0; X=i;

    while (!pq.empty()) {
    pair<int,int>y=pq.top();
    if (nm[y.B].B<i)
        {pq.pop(); continue;}
     mx=y.A+(i-nm[y.B].A);
     break;
     }
    if(!ar[i].empty()) {
     for (auto j:ar[i]) {
        if (j.x) {
            mx=max(mx, j.v);
    pq.push({j.v, j.i});
        }
    }
    }
  cout<<mx<<' ';
}
    return 0;
}

• Subtask 1: 100 / 100