제출 #751096

#제출 시각아이디문제언어결과실행 시간메모리
751096vjudge1Foehn Phenomena (JOI17_foehn_phenomena)C++14
30 / 100
19 ms1796 KiB
#include<bits/stdc++.h> using namespace std; #define ll long long ll n,q,s,t,ans,l,r,h; ll a[200200],b[200200]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> n >> q >> s >> t; for(int i=0; i<=n; i++) { cin >> a[i]; } if(q <= 2000 && n <= 2000) { for(int i=1; i<=q; i++) { cin >> l >> r >> h; for(int j=l; j<=r; j++) { a[j] += h; } ans = 0; for(int j=1; j<=n; j++) { if(a[j] > a[j-1]) { ans -= s*(a[j] - a[j-1]); } else { ans += t*(a[j-1] - a[j]); } } cout << ans << endl; } } }
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