Kolikot

#include <iostream>
#include <string>
#include <stdio.h>
#include <math.h>



int main()
{
	int result = 0;
	int count;
	std::cin >> count;
	if(count > 1000)
		return 0;
	int *coins = new int[1001];
	bool *valid = new bool[1001];
	for(int i = 0;i < 1001;i++)
	{
		coins[i] = 0;
		valid[i] = false;
	}
	for(int i = 0;i < count;i++)
	{
		int this_number;
		std::cin >> this_number;
		coins[this_number]++;
	}
	int last = 0;
	result += coins[1];
	valid[1] = true;
	for(int i = 2;i <= 1000;i++)
	{
		int sum = 0;
		for(int i2 = i-1;i2 > 0;i2--)
		{
			if(valid[i2])
				sum += coins[i2]*(i2);
		}
		if(sum >= coins[i] - 1)
		{
			valid[i] = true;
			if(result < (coins[i] * i))
			{
				last = i;
				result = coins[i] * i;
			}
		}
	}
	for(int i = last-1;i > 0;i--)
	{
		result += coins[i] * i;
	}
	std::cout << result + 1;
	return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: WRONG ANSWER

Test 5

Group: 1

Verdict: WRONG ANSWER

Test 6

Group: 2

Verdict: WRONG ANSWER

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: WRONG ANSWER

Test 11

Group: 3

Verdict: WRONG ANSWER

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: WRONG ANSWER

Test 16

Group: 3

Verdict: WRONG ANSWER