Submission #1087042

#	Time	Username	Problem	Language	Result	Execution time	Memory
1087042		Dennis_Jason	Foehn Phenomena (JOI17_foehn_phenomena)	C++14	30 / 100	1033 ms	3672 KiB

foehn_phenomena

#include <bitset>
#include <cmath>
#include <functional>
#include <algorithm>
#include <numeric>
#include <system_error>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <unordered_map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
#include <cstring>
#include <climits>
#define pb push_back
#define MOD 1000000007
#define NMAX 200001
#define nl '\n'
#define pii1 pair<int, pair<int,int>>  (1,(1,2));
#define pii pair<int,int>
#define tpl tuple<int,int,int>
#define int long long
using namespace std;
ifstream fin("data.in");
ofstream fout("data.out");
const int INF=1e12;
/*
    ====================DEMONSTRATION======================

    If Ai < Ai+1, the temperature of the wind decreases by S degrees per altitude.
    If Ai ≧ Ai+1, the temperature of the wind increases by T degrees per altitude.
    S=1,T=2
        0 6 3 8

        0,-6,0,-5





    =========================END===========================

 */
int n,q,s,t;
vector<int>v;
signed main() {

    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin>>n>>q>>s>>t;
    v.resize(n+1);
    for(int i=0;i<=n;++i)
    {
        cin>>v[i];
    }
    for(int i=1;i<=q;++i)
    {
        int st,dr,x;
        cin>>st>>dr>>x;
        if(x<0)
        {
            for(int j=st;j<=dr;++j)
                v[j]-=abs(x);
        }
        else
        {
            for(int j=st;j<=dr;++j)
                v[j]+=abs(x);
        }
        int ans=0;
        for(int j=1;j<=n;++j)
        {
            if(v[j]>v[j-1])
                ans+=(v[j-1]-v[j])*s;
            else
                ans+=(v[j-1]-v[j])*t;
        }
        cout<<ans<<nl;

    }



    return 0;
}

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