| # | Time | Username | Problem | Language | Result | Execution time | Memory | 
|---|---|---|---|---|---|---|---|
| 548490 | Um_nik | Foehn Phenomena (JOI17_foehn_phenomena) | C++17 | 135 ms | 11500 KiB | 
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <bitset>
using namespace std;
#ifdef LOCAL
	#define eprintf(...) fprintf(stderr, __VA_ARGS__);fflush(stderr);
#else
	#define eprintf(...) 42
#endif
using ll = long long;
using ld = long double;
using uint = unsigned int;
using ull = unsigned long long;
template<typename T>
using pair2 = pair<T, T>;
using pii = pair<int, int>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll myRand(ll B) {
	return (ull)rng() % B;
}
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
clock_t startTime;
double getCurrentTime() {
	return (double)(clock() - startTime) / CLOCKS_PER_SEC;
}
const int N = (int)1e6 + 5;
int n, q;
ll s, t;
ll a[N];
ll ans;
ll getVal(ll x) {
	if (x >= 0) return -x * s;
	return -x * t;
}
int main()
{
	startTime = clock();
//	freopen("input.txt", "r", stdin);
//	freopen("output.txt", "w", stdout);
	scanf("%d%d%lld%lld", &n, &q, &s, &t);
	ll lst = 0;
	scanf("%lld", &lst);
	for (int i = 0; i < n; i++) {
		ll x;
		scanf("%lld", &x);
		a[i] = x - lst;
		ans += getVal(a[i]);
		lst = x;
	}
	while(q--) {
		int l, r;
		ll x;
		scanf("%d%d%lld", &l, &r, &x);
		l--;
		ans -= getVal(a[l]);
		a[l] += x;
		ans += getVal(a[l]);
		if (r < n) {
			ans -= getVal(a[r]);
			a[r] -= x;
			ans += getVal(a[r]);
		}
		printf("%lld\n", ans);
	}
	return 0;
}
Compilation message (stderr)
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