이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#pragma GCC optimize("Ofast,O2,O3,unroll-loops")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
using namespace std;
void debug_out() { cerr << endl; }
template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
cerr << "[" << H << "]";
debug_out(T...);
}
#ifdef dddxxz
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
#define SZ(s) ((int)s.size())
#define all(x) (x).begin(), (x).end()
#define lla(x) (x).rbegin(), (x).rend()
clock_t startTime;
double getCurrentTime() {
return (double) (clock() - startTime) / CLOCKS_PER_SEC;
}
#define MP make_pair
typedef long long ll;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
const double eps = 0.000001;
const int MOD = 1e9 + 7;
const int INF = 1000000101;
const long long LLINF = 1223372000000000555;
const int N = 1e6 + 3e2;
const int M = 2222;
int a[N];
ll f[N];
void add(int x, int y){
while (x < N){
f[x] += y;
x += (-x & x);
}
}
ll get(int x){
ll res = 0;
while (x > 0){
res += f[x];
x -= (-x & x);
}
return res;
}
int S, T;
ll cost(int i){
ll x = a[i] + get(i), y = a[i + 1] + get(i + 1);
return 1ll * (x - y) * (x < y ? S : T);
}
void solve(int TC) {
int n, q;
cin >> n >> q >> S >> T;
for (int i = 0; i <= n; i++){
cin >> a[i];
}
ll ans = 0;
for (int i = 0; i < n; i++){
ans += cost(i);
}
while (q--){
int l, r, x;
cin >> l >> r >> x;
ans -= cost( l - 1);
if (r < n) ans -= cost(r);
add(l, x);
add(r + 1, -x);
ans += cost(l - 1);
if (r < n) ans += cost(r);
cout << ans << endl;
}
}
int main() {
startTime = clock();
ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
#ifdef dddxxz
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
int TC = 1;
// cin >> TC;
for (int test = 1; test <= TC; test++) {
debug(test);
//cout << "Case #" << test << ": ";
solve(test);
}
cerr << endl << "Time: " << int(getCurrentTime() * 1000) << " ms" << endl;
return 0;
}
컴파일 시 표준 에러 (stderr) 메시지
foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:19:20: warning: statement has no effect [-Wunused-value]
19 | #define debug(...) 42
| ^~
foehn_phenomena.cpp:112:9: note: in expansion of macro 'debug'
112 | debug(test);
| ^~~~~
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