답안 #676194

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
676194 2022-12-29T18:38:55 Z ghostwriter Snowball (JOI21_ho_t2) C++17
100 / 100
120 ms 15340 KB
// #pragma GCC optimize ("Ofast")
// #pragma GCC target ("avx2")
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
    #include <debug.h>
#else
    #define debug(...)
#endif
#define ft front
#define bk back
#define st first
#define nd second
#define ins insert
#define ers erase
#define pb push_back
#define pf push_front
#define _pb pop_back
#define _pf pop_front
#define lb lower_bound
#define ub upper_bound
#define mtp make_tuple
#define bg begin
#define ed end
#define all(x) (x).bg(), (x).ed()
#define sz(x) (int)(x).size()
// #define int long long
typedef long long ll; typedef unsigned long long ull;
typedef double db; typedef long double ldb;
typedef pair<int, int> pi; typedef pair<ll, ll> pll;
typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pi> vpi; typedef vector<pll> vpll;
typedef string str;
#define FOR(i, l, r) for (int i = (l); i <= (r); ++i)
#define FOS(i, r, l) for (int i = (r); i >= (l); --i)
#define FRN(i, n) for (int i = 0; i < (n); ++i)
#define FSN(i, n) for (int i = (n) - 1; i >= 0; --i)
#define EACH(i, x) for (auto &i : (x))
#define WHILE while
template<typename T> T gcd(T a, T b) { T d2 = (a | b) & -(a | b); a /= d2; b /= d2; WHILE(b) { a = a % b; swap(a, b); } return a * d2; }
template<typename T> T lcm(T a, T b) { return a / gcd(a, b) * b; }
void _assert(bool statement) { if (statement) return; cerr << "\n>> Assertion failed!\n"; exit(0); }
void _assert(bool statement, const str &message) { if (statement) return; cerr << "\n>> Assertion failed: " << message << '\n'; exit(0); }
void _error(const str &message) { cerr << "\n>> Error: " << message << '\n'; exit(0); }
#define file "TEST"
mt19937 rd(chrono::steady_clock::now().time_since_epoch().count());
ll rand(ll l, ll r) { return uniform_int_distribution<ll>(l, r)(rd); }
/*
----------------------------------------------------------------
    END OF TEMPLATE
----------------------------------------------------------------
    Tran The Bao - ghostwriter
    Training for VOI23 gold medal
----------------------------------------------------------------
    GOAT
----------------------------------------------------------------
*/
const ll oo = (ll)1e18 + 5;
const int N = 2e5 + 5;
int n, q;
ll x[N], w[N], maxx[N], minn[N], ans[N];
void input(int test_id) {
	cin >> n >> q;
	FOR(i, 1, n) cin >> x[i];
	FOR(i, 1, q) cin >> w[i];
}
void solve(int test_id) {
	maxx[0] = -oo;
	minn[0] = oo;
	FOR(i, 1, q) {
		w[i] += w[i - 1];
		maxx[i] = max(maxx[i - 1], w[i]);
		minn[i] = min(minn[i - 1], w[i]);
	}
	FOR(i, 1, n - 1) {
		int l = 1, r = q, pos = 0;
		WHILE(l <= r) {
			int mid = l + (r - l) / 2;
			ll mxs = (maxx[mid] > 0? maxx[mid] : 0), mns = (minn[mid] < 0? -minn[mid] : 0);
			if (mxs + mns < x[i + 1] - x[i]) {
				pos = mid;
				l = mid + 1;
			}
			else r = mid - 1;
		}
		ll mxs = (maxx[pos] > 0? maxx[pos] : 0), mns = (minn[pos] < 0? -minn[pos] : 0);
		ans[i] += mxs;
		ans[i + 1] += mns;
		if (pos < q) {
			++pos;
			if (w[pos] < 0) ans[i + 1] += x[i + 1] - x[i] - mxs - mns;
			else ans[i] += x[i + 1] - x[i] - mxs - mns;
		}
	}
	ans[1] += (minn[q] < 0? -minn[q] : 0);
	ans[n] += (maxx[q] > 0? maxx[q] : 0);
	FOR(i, 1, n) cout << ans[i] << '\n';
}
void reinit(int test_id) {

}
signed main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    // freopen(file".inp", "r", stdin);
    // freopen(file".out", "w", stdout);
    int test_num = 1;
    // cin >> test_num; // comment if the problem does not requires multitest
    FOR(i, 1, test_num) {
        input(i); // input in noninteractive problems for case #i
        solve(i); // main function to solve case #i
        reinit(i); // reinit global data to default used in case #i
    }
    #ifdef LOCAL
        cerr << "\nTime: " << setprecision(5) << fixed << (ldb)clock() / CLOCKS_PER_SEC << "ms.\n";
    #endif
    return 0;
}
/*
4 3
-2 3 5 8
2
-4
7
----------------------------------------------------------------
From Benq:
    stuff you should look for
        * int overflow, array bounds
        * special cases (n=1?)
        * do smth instead of nothing and stay organized
        * WRITE STUFF DOWN
        * DON'T GET STUCK ON ONE APPROACH
----------------------------------------------------------------
*/
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 396 KB Output is correct
5 Correct 1 ms 476 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 472 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 476 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 336 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 504 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 476 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 396 KB Output is correct
5 Correct 1 ms 476 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 472 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 476 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 336 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 504 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 476 KB Output is correct
20 Correct 25 ms 7152 KB Output is correct
21 Correct 24 ms 6860 KB Output is correct
22 Correct 25 ms 6680 KB Output is correct
23 Correct 20 ms 6528 KB Output is correct
24 Correct 27 ms 7048 KB Output is correct
25 Correct 104 ms 13540 KB Output is correct
26 Correct 98 ms 13388 KB Output is correct
27 Correct 96 ms 13132 KB Output is correct
28 Correct 98 ms 13132 KB Output is correct
29 Correct 120 ms 12608 KB Output is correct
30 Correct 87 ms 12108 KB Output is correct
31 Correct 58 ms 11420 KB Output is correct
32 Correct 54 ms 11676 KB Output is correct
33 Correct 9 ms 1620 KB Output is correct
34 Correct 93 ms 13792 KB Output is correct
35 Correct 91 ms 13188 KB Output is correct
36 Correct 92 ms 13372 KB Output is correct
37 Correct 95 ms 13160 KB Output is correct
38 Correct 101 ms 12972 KB Output is correct
39 Correct 93 ms 13216 KB Output is correct
40 Correct 65 ms 13244 KB Output is correct
41 Correct 33 ms 7684 KB Output is correct
42 Correct 53 ms 11672 KB Output is correct
43 Correct 74 ms 14920 KB Output is correct
44 Correct 30 ms 7608 KB Output is correct
45 Correct 61 ms 13184 KB Output is correct
46 Correct 74 ms 15112 KB Output is correct
47 Correct 76 ms 15228 KB Output is correct
48 Correct 79 ms 15340 KB Output is correct