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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#537631#7523. Partially Free MealOIer_kzc#WA 804ms104628kbC++172.8kb2024-08-30 17:00:502024-08-30 17:00:50

Judging History

你现在查看的是最新测评结果

  • [2024-08-30 17:00:50]
  • 评测
  • 测评结果:WA
  • 用时:804ms
  • 内存:104628kb
  • [2024-08-30 17:00:50]
  • 提交

answer

#include <stdio.h>
#include <string.h>

#include <vector>
#include <algorithm>
#include <numeric>

#define LOG(FMT...) fprintf(stderr, FMT)

#define eb emplace_back

using namespace std;

typedef long long LL;
constexpr int N = 200005, TC = 30 * N;

int n;
struct Pair {
	int a, b, k;
} w[N];
bool cmpA(const Pair &x, const Pair &y) {
	return x.a < y.a;
}
bool cmpB(const Pair &x, const Pair &y) {
	return x.b < y.b;
}

#define L (tr[z].l)
#define R (tr[z].r)

struct Tree {
	int l, r, c; LL v;
} tr[TC];
int rt[N], ids;

void mdf(int &z, int x, int c, int l = 0, int r = n) {
	z = ++ids;
	tr[z].v = c;
	tr[z].c = 1;
	if (l == r) {
		return;
	}
	int mid = l + r >> 1;
	if (x <= mid) {
		mdf(L, x, c, l, mid);
	} else {
		mdf(R, x, c, mid + 1, r);
	}
}

void merge(int &y, int x, int l = 0, int r = n) {
	if (!x) {
		return;
	}
	if (!y) {
		y = x;
		return;
	}
	tr[y].v += tr[x].v;
	tr[y].c += tr[x].c;
	if (l == r) {
		return;
	}
	int mid = l + r >> 1;
	merge(tr[y].l, tr[x].l, l, mid);
	merge(tr[y].r, tr[x].r, mid + 1, r);
}

struct Dat {
	int c; LL d;
	bool operator < (const Dat &t) const {
		return c < t.c || c == t.c && d < t.d;
	}
	Dat operator + (int tc) const {
		return (Dat){c + tc, d};
	}
} q[N];

Dat qry(int z, LL v, int l = 0, int r = n) {
	if (l == r) {
		return (Dat){0, v};
	}
	int mid = l + r >> 1;
	if (tr[L].v <= v) {
		return qry(R, v - tr[L].v, mid + 1, r) + tr[L].c;
	}
	return qry(L, v, l, mid);
}

LL res[N];

void solve(int l, int r, LL vl, LL vr, const vector<int> &v) {
	if (l > r) {
		return;
	}
	if (vl == vr) {
		for (int k = l; k <= r; ++k) {
			res[k] = vr;
		}
		return;
	}
	LL md = (vl + vr) >> 1;
	int maxc = 0;
	for (int i = 0; i < v.size(); ++i) {
		int x = v[i];
		q[i] = qry(rt[x], md - w[x].b);
		maxc = max(maxc, q[i].c);
	}
	
	vector<int> nv;
	Dat t = (Dat){-1, -1};
	for (int i = 0; i < v.size(); ++i) {
		if (!(q[i] < t)) {
			nv.eb(v[i]);
			t = q[i];
		}
	}
	solve(l, maxc, vl, md, nv);
	
	nv.clear();
	t = (Dat){-1, -1};
	for (int i = v.size() - 1; ~i; --i) {
		if (t < q[i]) {
			nv.eb(v[i]);
			t = q[i];
		}
	}
	reverse(nv.begin(), nv.end());
	solve(maxc + 1, r, md + 1, vr, nv);
}

int main() {
	scanf("%d", &n);
	LL suma = 0; int maxb = 0;
	for (int i = 1; i <= n; ++i) {
		scanf("%d%d", &w[i].a, &w[i].b);
		suma += w[i].a;
		maxb = max(maxb, w[i].b);
	}
	sort(w + 1, w + n + 1, cmpA);
	for (int i = 1; i <= n; ++i) {
		w[i].k = i - 1;
	}
	sort(w + 1, w + n + 1, cmpB);
	for (int i = 1; i <= n; ++i) {
		mdf(rt[i], w[i].k, w[i].a);
		merge(rt[i], rt[i - 1]);
	}
	vector<int> v(n);
	iota(v.begin(), v.end(), 1);
	solve(1, n, 0, suma + maxb, v);
	for (int i = 1; i <= n; ++i) {
		printf("%lld\n", res[i]);
	}
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 7960kb

input:

3
2 5
4 3
3 7

output:

7
11
16

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 804ms
memory: 104628kb

input:

200000
466436993 804989151
660995237 756645598
432103296 703610564
6889895 53276988
873617076 822481192
532911431 126844295
623111499 456772252
937464699 762157133
708503076 786039753
78556972 5436013
582960979 398984169
786333369 325119902
930705057 615928139
924915828 506145001
164984329 208212435...

output:

1318594
3208018
5570526
7340845
9466559
11149865
12332210
13476823
14788280
16172895
17768627
19336633
20693779
22005236
23389851
25073157
26760338
28509336
30294967
32093959
34080569
35920328
37754030
39588384
41470886
43388283
45309771
47309654
48837539
50499183
52079411
53805429
55190044
56577630...

result:

wrong answer 5th lines differ - expected: '9223347', found: '9466559'