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Submission #775387

# Submission time Handle Problem Language Result Execution time Memory
775387 2023-07-06T10:44:42 Z VMaksimoski008 Happiness (Balkan15_HAPPINESS) C++17
40 / 100
 451 ms 524288 KB 
#include "happiness.h"
using ll = long long;

struct Node {
	ll sum, l, r;
	Node *lc, *rc;

	Node(ll tl, ll tr) : sum(0), l(tl), r(tr), lc(nullptr), rc(nullptr) {}

	void update(ll pos, ll val) {
		if(r < pos && l > pos) return;
		this->sum += val;
		if(l == r) return ;
		int tm = (l + r) / 2;
		if(pos <= tm) {
			if(!lc) this->lc = new Node(l, tm);
			lc->update(pos, val);
		} else {
			if(!rc) this->rc = new Node(tm+1, r);
			rc->update(pos, val);
		}
	}

	ll query(ll tl, ll tr) {
		if(tl > r || l > tr) return 0;
		if(r <= tr && l >= tl) return this->sum;
		ll res = 0;
		if(lc) res += lc->query(tl,tr);
		if(rc) res += rc->query(tl,tr);
		return res;
	}
};

Node *root;

bool check() {
	ll curr = 1;
	ll sum = root->sum;
	while(sum > curr) {
		ll res = root->query(1, curr);
		if(res < curr) return false;
		curr = res + 1;
	}
	return true;
}

bool init(int coinsCount, long long maxCoinSize, long long coins[]) {
	root = new Node(1, maxCoinSize);
	for (int i=0; i<coinsCount; i++) 
		root->update(coins[i], coins[i]);
	return check();
}

bool is_happy(int event, int coinsCount, long long coins[]) {
	for (int i=0; i<coinsCount; i++)
		root->update(coins[i], coins[i] * event);
	return check();
}

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 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 260 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 260 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Runtime error 362 ms 524288 KB Execution killed with signal 9
7 Halted 0 ms 0 KB -

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 260 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 250 ms 34304 KB Output is correct
7 Correct 261 ms 33872 KB Output is correct
8 Correct 292 ms 34296 KB Output is correct
9 Correct 451 ms 44104 KB Output is correct
10 Correct 420 ms 48188 KB Output is correct
11 Correct 118 ms 33248 KB Output is correct
12 Correct 115 ms 33256 KB Output is correct

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 260 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Runtime error 362 ms 524288 KB Execution killed with signal 9
7 Halted 0 ms 0 KB -