oj.uz

Submission #526884

# Submission time Handle Problem Language Result Execution time Memory
526884 2022-02-16T14:18:35 Z peuch Happiness (Balkan15_HAPPINESS) C++17
40 / 100
 987 ms 56420 KB 
#include "happiness.h"
#include<bits/stdc++.h>
using namespace std;

long long m, sum;
vector<long long> seg, lzy, 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);
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);
int 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(m);
	create(m);
	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){
	seg.push_back(-fim);
	lzy.push_back(0);
	e.push_back(0);
	d.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){
		long long mid = (ini + fim) >> 1;
		if(e[pos] == 0){
			int aux = create(mid);
			e[pos] = aux;
		}
		if(d[pos] == 0){
			int aux = create(fim);
			d[pos] = aux;
		}
		lzy[e[pos]] += lzy[pos];
		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(e[pos] == 0){
		int aux = create(mid);
		e[pos] = aux;
	}
	if(d[pos] == 0){
		int aux = create(fim);
		d[pos] = aux;
	}
	update(e[pos], ini, mid, p, q, val);
	update(d[pos], mid + 1, fim, p, q, val);
	seg[pos] = min(seg[e[pos]], seg[d[pos]]);
}

int 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;
      |            ^~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 220 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 220 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Incorrect 8 ms 4132 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 220 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 640 ms 45332 KB Output is correct
7 Correct 635 ms 45024 KB Output is correct
8 Correct 672 ms 45468 KB Output is correct
9 Correct 964 ms 54216 KB Output is correct
10 Correct 987 ms 56420 KB Output is correct
11 Correct 332 ms 26260 KB Output is correct
12 Correct 325 ms 26340 KB Output is correct

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 220 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Incorrect 8 ms 4132 KB Output isn't correct
7 Halted 0 ms 0 KB -