Submission #526894

# Submission time Handle Problem Language Result Execution time Memory
526894 2022-02-16T14:40:18 Z peuch Happiness (Balkan15_HAPPINESS) C++17
0 / 100
0 ms 204 KB
#include "happiness.h"
#include<bits/stdc++.h>
using namespace std;

long long m, sum;
vector<long long> seg, lzy, eL, dL, e, d;

bool init(int coinsCount, long long maxCoinSize, long long coins[]);
bool is_happy(int event, int coinsCount, long long coins[]);
int create(long long fim, long long l);
void refresh(int pos, long long ini, long long fim);
void update(int pos, long long ini, long long fim, long long p, long long q, long long val);
long long query(int pos, long long ini, long long fim, long long p, long long q);

bool init(int coinsCount, long long maxCoinSize, long long coins[]) {
	m = maxCoinSize;
	create(0, 0);
	create(m, 0);
	return is_happy(1, coinsCount, coins);;
}

bool is_happy(int event, int coinsCount, long long coins[]) {
	for(int i = 0; i < coinsCount; i++){
		sum += event * coins[i];
		update(1, 1, m, coins[i], m, event * coins[i]);
	}
	return query(1, 1, m, 1, sum) >= 0;
}

int create(long long fim, long long l){
	seg.push_back(-fim);
	lzy.push_back(l);
	e.push_back(0);
	d.push_back(0);
	eL.push_back(0);
	dL.push_back(0);
	return seg.size() - 1;
}

void refresh(int pos, long long ini, long long fim){
	if(lzy[pos] == 0) return;
	seg[pos] += lzy[pos];
	if(ini != fim){
		if(e[pos] == 0) eL[pos] += lzy[pos];
		else lzy[e[pos]] += lzy[pos];
		if(d[pos] == 0) dL[pos] += lzy[pos];
		else lzy[d[pos]] += lzy[pos];
	}
	lzy[pos] = 0;
}

void update(int pos, long long ini, long long fim, long long p, long long q, long long val){
	refresh(pos, ini, fim);
	if(ini > q || fim < p) return;
	if(ini >= p && fim <= q){
		lzy[pos] += val;
		refresh(pos, ini, fim);
		return;
	}
	long long mid = (ini + fim) >> 1;
	if(p <= mid){
		if(e[pos] == 0){
			int aux = create(mid, eL[pos]);
			eL[pos] = 0;
			e[pos] = aux;
		}
		update(e[pos], ini, mid, p, q, val);
	}
	if(q > mid){
		if(d[pos] == 0){
			int aux = create(fim, dL[pos]);
			dL[pos] = 0;
			d[pos] = aux;
		}
		update(d[pos], mid + 1, fim, p, q, val);
	}
	seg[pos] = min(seg[e[pos]], seg[d[pos]]);
}

long long query(int pos, long long ini, long long fim, long long p, long long q){
	if(pos == 0) return 0;
	refresh(pos, ini, fim);
	if(ini > q || fim < p) return 0;
	if(ini >= p && fim <= q) return seg[pos];
	long long mid = (ini + fim) >> 1;
	return min(query(e[pos], ini, mid, p, q), query(d[pos], mid + 1, fim, p, q));
}

Compilation message

grader.cpp: In function 'int main()':
grader.cpp:16:12: warning: unused variable 'max_code' [-Wunused-variable]
   16 |  long long max_code;
      |            ^~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -