Submission #751098

#	Time	Username	Problem	Language	Result	Execution time	Memory
751098		vjudge1	Foehn Phenomena (JOI17_foehn_phenomena)	C++17	0 / 100	533 ms	6304 KiB

foehn_phenomena

#include <bits/stdc++.h>
#include <iostream>
#define ll long long
#define endl '\n'
#define pll pair<ll,ll>
#define fi first
#define se second


using namespace std;

ll n, q, s, t, l ,r, x, j[200007], sum[200007], ans;


//def WA lol

int main(){
    cin>>n>>q>>s>>t;
    for(int i = 0; i <= n; i++){
        cin>>j[i];
    }

    for(int i = 1; i <= n; i++){
        cout<<"TEST\n";
        ll d = j[i] - j[i-1];
        if(d > 0){
            sum[i] = sum[i-1] - d*s;
        }
        else if(d < 0){
            sum[i] = sum[i-1] - d*t;
        }
        else sum[i] = sum[i-1];
    }

//    for(int i = 0; i <= n; i++){
//        cout<<sum[i]<<" ";
//    }

    ll b = sum[n];

    while(q--){
        cin>>l>>r>>x;
        ll dl = j[l] - j[l-1];
        j[l] += x;

        if(dl > 0){
            b -= dl*s;
        }
        else if(dl < 0){
            b -= dl*t;
        }

        if(r < n){
            ll dr = j[r] - j[r-1];

            if(dr > 0){
            b -= dr*s;
            }
            else if(dr < 0){
                b -= dr*t;
            }
        }

        cout<<b<<endl;
    }
}

• Subtask 1: 0 / 30
• Subtask 2: 0 / 10
• Subtask 3: 0 / 60