Submission #168487

#	Time	Username	Problem	Language	Result	Execution time	Memory
168487		RiscadoA	Parametriziran (COCI19_parametriziran)	C++14	11 / 110	3055 ms	888 KiB

Main

#include <bits/stdc++.h>

using namespace std;

const int MAX_N = 50000;
const int MAX_M = 6;

int N, M;

int main() {
	cin >> N >> M;
	
	int c = 0;
	char words[MAX_N][MAX_M + 1];
	
	for (int i = 0; i < N; ++i) { // Read input O(NM)
		scanf("%s", words[i]);
	}
	
	// For every pair (a, b) - O(N^2 * M)
	for (int i = 0; i < N; ++i) {
		for (int j = i + 1; j < N; ++j) {
			int valid = 1;
			for (int k = 0; k < M; ++k) {
				if (words[i][k] == '?' || words[j][k] == '?')
					continue;
				if (words[i][k] != words[j][k])
				{
					valid = 0;
					break;
				}
			}
			c += valid;
		}
	}
	
	cout << c;
	
	return 0;
}

Compilation message (stderr)

parametriziran.cpp: In function 'int main()':
parametriziran.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", words[i]);
   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 11 / 11
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