oj.uz

답안 #275544

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
275544 2020-08-20T06:28:26 Z 임성재(#5103) Happiness (Balkan15_HAPPINESS) C++17
10 / 100
 2000 ms 56496 KB 
#include "happiness.h"
#include<bits/stdc++.h>
using namespace std;

#define fast ios::sync_with_stdio(false); cin.tie(0);
#define fi first
#define se second
#define em emplace
#define eb emplace_back
#define all(v) (v).begin(), (v).end()
#define mp make_pair

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int inf = 1e9;
const ll INF = 1e18;

struct Node {
	ll v, lz;
	int l, r;

	Node() {
		v = INF;
		lz = 0;
		l = r = 0;
	}

	Node(int e) {
		v = INF - e;
		lz = 0;
		l = r = 0;
	}
};

ll n, m;
map<ll,ll> chk;
vector<Node> tree;

void propagate(int node, ll s, ll e) {
	tree[node].v += tree[node].lz;

	if(s != e) {
		if(tree[node].l == 0) tree[node].l = tree.size(), tree.eb((s+e)/2);
		if(tree[node].r == 0) tree[node].r = tree.size(), tree.eb(e);
		
		tree[tree[node].l].lz += tree[node].lz;
		tree[tree[node].r].lz += tree[node].lz;
	}

	tree[node].lz = 0;
}

void update(int node, ll s, ll e, ll l, ll r, ll x) {
	propagate(node, s, e);

	if(r < s || e < l) return;
	if(l <= s && e <= r) {
		tree[node].lz += x;
		propagate(node, s, e);
		
		return;
	}

	update(tree[node].l, s, (s+e)/2, l, r, x);
	update(tree[node].r, (s+e)/2+1, e, l, r, x);

	tree[node].v = min(tree[tree[node].l].v, tree[tree[node].r].v);
}

bool init(int coinsCount, long long maxCoinSize, long long coins[]) {
	n = coinsCount;
	m = maxCoinSize + 1;

	tree.eb(m);

	for(int i=0; i<n; i++) {
		if(chk[coins[i]] == 0) update(0, 0, m, coins[i], coins[i], -INF);
		
		update(0, 0, m, coins[i]+1, m, coins[i]);
		
		chk[coins[i]]++;
	}

	update(0, 0, m, 0, m, 0);

	return tree[0].v >= -1;
}

bool is_happy(int event, int coinsCount, long long coins[]) {
	n = coinsCount;

	for(int i=0; i<n; i++) {
		if(chk[coins[i]] == 1 && event == -1) update(0, 0, m, coins[i], coins[i], INF);
		if(chk[coins[i]] == 0 && event == 1) update(0, 0, m, coins[i], coins[i], -INF);

		if(event == 1) update(0, 0, m, coins[i]+1, m, coins[i]);
		else update(0, 0, m, coins[i]+1, m, -coins[i]);

		chk[coins[i]] += event;
	}
	
	update(0, 0, m, 0, m, 0);

	return tree[0].v >= -1;
}

Compilation message

grader.cpp: In function 'int main()':
grader.cpp:16:12: warning: unused variable 'max_code' [-Wunused-variable]
   16 |  long long max_code;
      |            ^~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Incorrect 9 ms 3576 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1402 ms 56496 KB Output is correct
7 Correct 1458 ms 56416 KB Output is correct
8 Correct 1404 ms 56460 KB Output is correct
9 Execution timed out 2085 ms 56308 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Incorrect 9 ms 3576 KB Output isn't correct
7 Halted 0 ms 0 KB -