Submission #176010

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
176010	2020-01-07T14:39:21 Z	fbosnjak	Izbori (COCI17_izbori)	C++14	80 / 80	709 ms	504 KB

izbori

#include <bits/stdc++.h>
using namespace std;

const int maxn = 105;
const int maxm = 16;
int N, M, K;
int a;
int cnt[maxm];
queue <int> q[maxn];

int main()
{
	cin >> N >> M >> K;
	for (int i = 0; i < N; i++)
		for (int j = 0; j < M; j++)
			{cin >> a; q[i].push(a);}

	for (int i = 0; i < N; i++)
		cnt[q[i].front()]++;

	int sol;
	int ima = 0;
	for (int i = 1; i <= M; i++)
		if (cnt[i] > ima) {ima = cnt[i]; sol = i;}
	
	cout << sol << endl;

	int rj = 1e9;
	int m = (1 << M);

	for (int i = 0; i < m - 1; i++)
	{
		int curr = __builtin_popcount(i);
		queue <int> newq[N];
		for (int j = 0; j < N; j++)
			newq[j] = q[j];
		for (int j = 0; j < N; j++)
			while (((1 << (newq[j].front() - 1)) & i) == (1 << (newq[j].front() - 1))) 
				newq[j].pop();
		memset(cnt, 0, sizeof cnt);
		for (int j = 0; j < N; j++) 
			if (!newq[j].empty())
				cnt[newq[j].front()]++;
		int ima = 0;
		for (int j = 1; j <= M; j++)
			if (cnt[j] > ima) {ima = cnt[j]; sol = j;}
		if (sol == K) rj = min(rj, curr); 
	}

	cout << rj << endl;
}

Compilation message

izbori.cpp: In function 'int main()':
izbori.cpp:26:10: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized]
  cout << sol << endl;
          ^~~

Subtask #1

80.0 / 80.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	42 ms	504 KB	Output is correct
2	Correct	52 ms	376 KB	Output is correct
3	Correct	21 ms	504 KB	Output is correct
4	Correct	153 ms	504 KB	Output is correct
5	Correct	39 ms	504 KB	Output is correct
6	Correct	24 ms	504 KB	Output is correct
7	Correct	6 ms	376 KB	Output is correct
8	Correct	83 ms	376 KB	Output is correct
9	Correct	89 ms	504 KB	Output is correct
10	Correct	6 ms	376 KB	Output is correct
11	Correct	83 ms	504 KB	Output is correct
12	Correct	331 ms	504 KB	Output is correct
13	Correct	641 ms	504 KB	Output is correct
14	Correct	323 ms	504 KB	Output is correct
15	Correct	82 ms	504 KB	Output is correct
16	Correct	699 ms	504 KB	Output is correct
17	Correct	341 ms	504 KB	Output is correct
18	Correct	675 ms	504 KB	Output is correct
19	Correct	703 ms	504 KB	Output is correct
20	Correct	709 ms	504 KB	Output is correct