Submission #947877

#	Time	Username	Problem	Language	Result	Execution time	Memory
947877		vjudge306	Trading (IZhO13_trading)	C++17	0 / 100	1 ms	348 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
typedef long long ll;
const ld eps = 1e-27;
// diff between decimals 0.000000001 mt19937 mt(time(nullptr));
 pair<int,int>nm[300002]; 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 x=max(nm[a.B].A,nm[b.B].A);
int i=a.A+(x-nm[a.B].A), j=b.A+(x-nm[b.B].A);

if (i>j) return a.A>(b.A*-1);
return b.A>(a.A*-1);
}
};
int 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}), ar[b-1].emp({0,i,c}), nm[i]={a-1,b-1};

set<pair<int,int>,com>s;

for(int i=0; i<n; i++) {
    int mx=0; x=i;
    while (!s.empty()) {
        auto it=s.end(); --it;
    pair<int,int>x=*it;
    if (nm[x.B].B<i) { s.erase(it);continue;}
     mx=x.A+(i-nm[x.B].A); //nm[x.B]={i,mx}; s.insert({mx, x.B});
     break;
     }
    if(!ar[i].empty()) {
     for (auto j:ar[i]) {
        if (j.x) {
            mx=max(mx, j.v); s.insert({j.v, j.i});
        }
        else {
           // s.erase(s.lower_bound({nm[j.i].B, j.i}));
        }
    }
    }

    cout<<mx<<' ';
}
    return 0;
}

• Subtask 1: 0 / 100