Submission #1285195

#	Time	Username	Problem	Language	Result	Execution time	Memory
1285195		xosqedemrufo	Foehn Phenomena (JOI17_foehn_phenomena)	C++20	30 / 100	1091 ms	2020 KiB

foehn_phenomena

//Author RufatM
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef vector<ll> vll;
typedef vector<pii> vpii;
typedef vector<vector<pii>> vvp;
typedef vector<bool> vb;
typedef vector<string> vs;
#define fastio ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define endl '\n'
#define pb push_back
#define pf push_front
#define eb emplace_back
#define ff first
#define ss second
#define all(x) begin(x),end(x)
#define rall(x) rbegin(x),rend(x)
#define mt19937_64 mt_rand(chrono::steady_clock::now().time_since_epoch().count())
//#define ordered_set tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>
template<typename T> bool isPrime(T n){if(n<=1)return false;if(n<=3)return true;if(n%2==0 or n%3==0)return false;for(T i=5;i*i<=n;i+=6)if(n%i==0 or n%(i+2)==0)return false;return true;}
const int MOD=1e9+7;
const int INF=1000000007;
const ll LINF=1e18+7;
const int LOG=21;
const int MAXN=105;
const int MAXM=200005;
signed main(){
    fastio;
    #ifndef ONLINE_JUDGE
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);
    #endif
    int t=1;
    //cin >> t;
    while(t--){
        ll n,q,s,u;
        cin >> n >> q >> s >> u;
        vll a(n+1);
        for(int i=0;i<=n;i++){
            cin >> a[i];
        }
        while(q--){
            ll l,r,x;
            cin >> l >> r >> x;
            for(int i=l;i<=r;i++){
                a[i]+=x;
            }
            ll ans = 0;
            for(int i=0;i<n;i++){
                ll d = a[i+1] - a[i];
                if(d>0){
                    ans-=d*s;
                }
                else{
                    ans+=(-d)*u;
                }
            }
            cout << ans << endl;
        }
    }
}

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