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Submission #1044013

# Submission time Handle Problem Language Result Execution time Memory
1044013 2024-08-05T06:23:09 Z ㄴㄴ(#11063) Measures (CEOI22_measures) C++17
100 / 100
 316 ms 26908 KB 
#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
using ll = long long;
const ll INF = 1e18;

struct node {
	ll l, r, v;
	int c;
} T[535353];
ll L[535353];
const node EMP = {INF, -INF, 0, 0};

node operator +(node p, node q) {
	node ret;
	ret.l = min(p.l, q.l);
	ret.r = max(p.r, q.r);
	ret.v = max({p.v, q.v, p.r - q.l});
	ret.c = p.c + q.c;
	return ret;
}

void push(int idx, int s, int e) {
	if(L[idx]) {
		T[idx].l += L[idx];
		T[idx].r += L[idx];
		if(s != e) {
			L[idx*2] += L[idx];
			L[idx*2+1] += L[idx];
		}
		L[idx] = 0;
	}
}

node get(int idx, int s, int e, int l, int r) {
	push(idx, s, e);
	if(r < s || e < l) return EMP;
	if(l <= s && e <= r) return T[idx];
	int m = s+e >> 1;
	return get(idx*2, s, m, l, r) + get(idx*2+1, m+1, e, l, r);
}

void upd(int idx, int s, int e, int l, int r, int v) {
	push(idx, s, e);
	if(r < s || e < l) return;
	if(l <= s && e <= r) {
		L[idx] += v;
		push(idx, s, e);
		return;
	}
	int m = s+e >> 1;
	upd(idx*2, s, m, l, r, v);
	upd(idx*2+1, m+1, e, l, r, v);
	T[idx] = T[idx*2] + T[idx*2+1];
}

void add(int idx, int s, int e, int p, node v) {
	push(idx, s, e);
	if(p < s || e < p) return;
	if(s == e) {
		T[idx] = v;
		return;
	}
	int m = s+e >> 1;
	add(idx*2, s, m, p, v);
	add(idx*2+1, m+1, e, p, v);
	T[idx] = T[idx*2] + T[idx*2+1];
}

int I[202020];

int main() {
	int N, M, D; scanf("%d%d%d", &N, &M, &D);
	for(int i=0; i<535353; i++) T[i] = EMP;
	vector<pii> A(N+M);
	for(int i=0; i<N+M; i++) {
		scanf("%d", &A[i].first);
		A[i].second = i;
	}
	sort(A.begin(), A.end());
	for(int i=0; i<N+M; i++) I[A[i].second] = i+1;
	sort(A.begin(), A.end(), [&](pii p, pii q) { return p.second < q.second; });
	for(int i=0; i<N+M; i++) {
		auto [x, y] = A[i];
		int j = get(1, 1, N+M, 1, I[y]).c;
		upd(1, 1, N+M, I[y], N+M, -D);
		add(1, 1, N+M, I[y], {x - 1LL*D*j, x - 1LL*D*j, 0, 1});
		if(i >= N) {
			ll ans = get(1, 1, N+M, 1, N+M).v;
			if(ans % 2) printf("%lld.5 ", ans / 2);
			else printf("%lld ", ans / 2);
		}
	}
	return 0;
}

Compilation message

Main.cpp: In function 'node get(int, int, int, int, int)':
Main.cpp:39:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   39 |  int m = s+e >> 1;
      |          ~^~
Main.cpp: In function 'void upd(int, int, int, int, int, int)':
Main.cpp:51:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |  int m = s+e >> 1;
      |          ~^~
Main.cpp: In function 'void add(int, int, int, int, node)':
Main.cpp:64:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   64 |  int m = s+e >> 1;
      |          ~^~
Main.cpp: In function 'int main()':
Main.cpp:73:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   73 |  int N, M, D; scanf("%d%d%d", &N, &M, &D);
      |               ~~~~~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:77:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |   scanf("%d", &A[i].first);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17752 KB Output is correct
2 Correct 3 ms 17756 KB Output is correct
3 Correct 4 ms 17964 KB Output is correct
4 Correct 3 ms 17756 KB Output is correct
5 Correct 3 ms 17756 KB Output is correct
6 Correct 3 ms 17756 KB Output is correct
7 Correct 4 ms 17756 KB Output is correct
8 Correct 4 ms 17756 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 17752 KB Output is correct
2 Correct 3 ms 17756 KB Output is correct
3 Correct 4 ms 17964 KB Output is correct
4 Correct 3 ms 17756 KB Output is correct
5 Correct 3 ms 17756 KB Output is correct
6 Correct 3 ms 17756 KB Output is correct
7 Correct 4 ms 17756 KB Output is correct
8 Correct 4 ms 17756 KB Output is correct
9 Correct 280 ms 23732 KB Output is correct
10 Correct 265 ms 23484 KB Output is correct
11 Correct 178 ms 23636 KB Output is correct
12 Correct 219 ms 23632 KB Output is correct
13 Correct 208 ms 23648 KB Output is correct
14 Correct 211 ms 23636 KB Output is correct
15 Correct 284 ms 23812 KB Output is correct
16 Correct 202 ms 23732 KB Output is correct

Subtask #3
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 197 ms 24596 KB Output is correct
2 Correct 217 ms 26452 KB Output is correct
3 Correct 208 ms 26432 KB Output is correct
4 Correct 204 ms 24388 KB Output is correct
5 Correct 208 ms 25708 KB Output is correct
6 Correct 211 ms 24676 KB Output is correct
7 Correct 205 ms 25752 KB Output is correct
8 Correct 205 ms 24384 KB Output is correct
9 Correct 206 ms 24356 KB Output is correct
10 Correct 218 ms 26900 KB Output is correct
11 Correct 197 ms 25284 KB Output is correct
12 Correct 204 ms 26140 KB Output is correct
13 Correct 207 ms 24388 KB Output is correct
14 Correct 199 ms 26452 KB Output is correct
15 Correct 206 ms 26188 KB Output is correct
16 Correct 197 ms 24304 KB Output is correct
17 Correct 201 ms 25936 KB Output is correct

Subtask #4
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 197 ms 24596 KB Output is correct
2 Correct 217 ms 26452 KB Output is correct
3 Correct 208 ms 26432 KB Output is correct
4 Correct 204 ms 24388 KB Output is correct
5 Correct 208 ms 25708 KB Output is correct
6 Correct 211 ms 24676 KB Output is correct
7 Correct 205 ms 25752 KB Output is correct
8 Correct 205 ms 24384 KB Output is correct
9 Correct 206 ms 24356 KB Output is correct
10 Correct 218 ms 26900 KB Output is correct
11 Correct 197 ms 25284 KB Output is correct
12 Correct 204 ms 26140 KB Output is correct
13 Correct 207 ms 24388 KB Output is correct
14 Correct 199 ms 26452 KB Output is correct
15 Correct 206 ms 26188 KB Output is correct
16 Correct 197 ms 24304 KB Output is correct
17 Correct 201 ms 25936 KB Output is correct
18 Correct 263 ms 24916 KB Output is correct
19 Correct 245 ms 26452 KB Output is correct
20 Correct 195 ms 26508 KB Output is correct
21 Correct 222 ms 24660 KB Output is correct
22 Correct 230 ms 24900 KB Output is correct
23 Correct 209 ms 24656 KB Output is correct
24 Correct 256 ms 25168 KB Output is correct
25 Correct 198 ms 24496 KB Output is correct
26 Correct 256 ms 24344 KB Output is correct
27 Correct 269 ms 26908 KB Output is correct
28 Correct 250 ms 24716 KB Output is correct
29 Correct 261 ms 26148 KB Output is correct
30 Correct 230 ms 24400 KB Output is correct
31 Correct 273 ms 26376 KB Output is correct
32 Correct 230 ms 26192 KB Output is correct
33 Correct 316 ms 24480 KB Output is correct
34 Correct 276 ms 25680 KB Output is correct