Submission #969655

#	Time	Username	Problem	Language	Result	Execution time	Memory
969655		vjudge1	Trading (IZhO13_trading)	C++14	0 / 100	1 ms	2396 KiB

trading

#include<bits/stdc++.h>
#define ll long long
#define ar array

using namespace std;

const int mxN = 3e5 + 5;
int n,m;
ar<int,3> t[mxN];
ll ans[mxN];

ll cal(int vil , int idx_t){
    return t[idx_t][2] + (vil - t[idx_t][1]);
}

int main(){
    ios::sync_with_stdio(0),cin.tie(0);

    cin>> n >> m;

    for(int i=1;i<=m;i++){
        cin>> t[i][1] >> t[i][0] >> t[i][2];
    }

    sort(t+1 , t+1+m);

    // for(int i=1;i<=m;i++) printf("%d %d %d\n",t[i][1] , t[i][0] , t[i][2]);

    int idx = 1;
    deque<int> dq;

    for(int i=1;i<=n;i++){
        // clear past data
        while(!dq.empty() && t[dq.front()][0]<i) dq.pop_front();

        // add new data
        while(idx<=m && t[idx][1]<=i){
            ll new_val = cal(i , idx);
            while(!dq.empty() && cal(i , dq.back()) < new_val) dq.pop_back();
            dq.push_back(idx);
            idx++;
        }

        ans[i] = (dq.empty() ? 0 : cal(i , dq.front()));
    }

    for(int i=1;i<=n;i++) cout<< ans[i] << " ";

    return 0;
}

• Subtask 1: 0 / 100