Submission #1838128

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Source Code Expand

#include <iomanip>
#include <random>
#include <time.h>
#include <vector>
#include <queue>
#include <functional>
#include <map>
#include <string>
#include <cstdlib>
#include <typeinfo>
#include <math.h>
#include <algorithm>
#include <iostream>
using namespace std;
int main() {
	long long int k, t, a[110], ma = 0, ans = 0;
	cin >> k >> t;
	for (int i = 1; i <= t; i++) {
		cin >> a[i];
		ma = max(ma, a[i]);
	}
	ma = k - (2 * (k - ma) + 1);
	ans = max(ans, ma);
	cout << ans << endl;
	return 0;
}

Submission Info

Judge Result