oj.uz

Submission #526896

# Submission time Handle Problem Language Result Execution time Memory
526896 2022-02-16T14:49:43 Z peuch Happiness (Balkan15_HAPPINESS) C++17
30 / 100
 837 ms 46648 KB 
#include "happiness.h"
#include<bits/stdc++.h>
using namespace std;

long long m, sum;
vector<long long> seg, lzy;
vector<int> 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);
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(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){
	if(pos == 0) return;
	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);
			e[pos] = aux;
		}
	}
	if(q > mid){
		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);
	if(e[pos] == 0) seg[pos] = seg[d[pos]];
	else if(d[pos] == 0) seg[pos] = seg[e[pos]];
	else 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;
      |            ^~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 7 ms 3512 KB Output is correct
7 Correct 7 ms 3740 KB Output is correct
8 Correct 59 ms 30440 KB Output is correct
9 Correct 72 ms 38708 KB Output is correct
10 Correct 54 ms 29756 KB Output is correct

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 550 ms 40532 KB Output is correct
7 Correct 591 ms 40244 KB Output is correct
8 Correct 588 ms 40524 KB Output is correct
9 Correct 820 ms 45088 KB Output is correct
10 Correct 837 ms 46648 KB Output is correct
11 Incorrect 308 ms 22456 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 7 ms 3512 KB Output is correct
7 Correct 7 ms 3740 KB Output is correct
8 Correct 59 ms 30440 KB Output is correct
9 Correct 72 ms 38708 KB Output is correct
10 Correct 54 ms 29756 KB Output is correct
11 Correct 550 ms 40532 KB Output is correct
12 Correct 591 ms 40244 KB Output is correct
13 Correct 588 ms 40524 KB Output is correct
14 Correct 820 ms 45088 KB Output is correct
15 Correct 837 ms 46648 KB Output is correct
16 Incorrect 308 ms 22456 KB Output isn't correct
17 Halted 0 ms 0 KB -