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Submission #368223

# Submission time Handle Problem Language Result Execution time Memory
368223 2021-02-19T19:25:45 Z cheissmart Happiness (Balkan15_HAPPINESS) C++14
100 / 100
 743 ms 16236 KB 
//https://usaco.guide/solutions/balkan-15-happiness?lang=cpp
#include "happiness.h"
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast", "no-stack-protector", "unroll-loops")
#define F first
#define S second
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define V vector
#define ALL(v) (v).begin(), (v).end()
#define debug(x) cerr << "LINE(" << __LINE__ << ") -> " << #x << " is " << (x) << endl

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;

const int INF = 1e9 + 7;
const ll oo = 1e18;

ll sum[40];
multiset<ll> s[40];

void add(ll x, int type) {
	int bucket = __lg(x);
	if(type == 1) {
		s[bucket].insert(x);
		sum[bucket] += x;
	} else {
		s[bucket].erase(s[bucket].find(x));
		sum[bucket] -= x;
	}
}

bool happy() {
	ll SUM = 0;
	for(int i = 0; i < 40; i++) if(s[i].size()) {
		ll x = *s[i].begin();
		if(SUM + 1 < x) return false;
		if(s[i].size() > 1) {
			ll y = *next(s[i].begin());
			if(SUM + x + 1 < y) return false;
		}
		SUM += sum[i];
	}
	return true;
}

bool init(int coinsCount, long long maxCoinSize, long long coins[]) {
	for(int i = 0; i < 40; i++) {
		s[i].clear();
		sum[i] = 0;
	}
	for(int i = 0; i < coinsCount; i++)
		add(coins[i], 1);
	return happy();
}

bool is_happy(int event, int coinsCount, long long coins[]) {
	for(int i = 0; i < coinsCount; i++)
		add(coins[i], event);
	return happy();
}

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 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 7 ms 1004 KB Output is correct
9 Correct 7 ms 1036 KB Output is correct
10 Correct 6 ms 1004 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 206 ms 6048 KB Output is correct
7 Correct 205 ms 5996 KB Output is correct
8 Correct 242 ms 5996 KB Output is correct
9 Correct 395 ms 6148 KB Output is correct
10 Correct 542 ms 8648 KB Output is correct
11 Correct 190 ms 9972 KB Output is correct
12 Correct 185 ms 9964 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 7 ms 1004 KB Output is correct
9 Correct 7 ms 1036 KB Output is correct
10 Correct 6 ms 1004 KB Output is correct
11 Correct 206 ms 6048 KB Output is correct
12 Correct 205 ms 5996 KB Output is correct
13 Correct 242 ms 5996 KB Output is correct
14 Correct 395 ms 6148 KB Output is correct
15 Correct 542 ms 8648 KB Output is correct
16 Correct 190 ms 9972 KB Output is correct
17 Correct 185 ms 9964 KB Output is correct
18 Correct 265 ms 10612 KB Output is correct
19 Correct 286 ms 8044 KB Output is correct
20 Correct 743 ms 14444 KB Output is correct
21 Correct 295 ms 10884 KB Output is correct
22 Correct 204 ms 15852 KB Output is correct
23 Correct 216 ms 16236 KB Output is correct
24 Correct 273 ms 11500 KB Output is correct