제출 #1290164

#제출 시각아이디문제언어결과실행 시간메모리
1290164AbdullahIshfaqFoehn Phenomena (JOI17_foehn_phenomena)C++20
100 / 100
216 ms7204 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long #define MOD 998244353 const ll N = 2e5 + 5, mod = 1e9 + 7; ll a[N], b[N], q, s, t, n, cur; void add(ll i, ll f) { if (b[i] > 0) { cur -= s * b[i] * f; } else { cur -= t * b[i] * f; } } void solve() { cin >> n >> q >> s >> t; for (ll i = 0; i <= n; i++) { cin >> a[i]; if (i != 0) { b[i] = a[i] - a[i - 1]; } add(i, 1); } while (q--) { ll l, r, x; cin >> l >> r >> x; add(l, -1); if (r != n) { add(r + 1, -1); } b[l] += x; b[r + 1] -= x; add(l, 1); if (r != n) { add(r + 1, 1); } cout << cur << endl; } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll t = 1; // cin >> t; for (ll i = 1; i <= t; i++) { solve(); } }
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