제출 #198864

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
198864		ZwariowanyMarcin	Parametriziran (COCI19_parametriziran)	C++14	110 / 110	458 ms	1888 KiB

Main

#include <bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define ss(x) (int) x.size()
#define pb push_back
#define LL long long
#define ld long double
#define cat(x) cerr << #x << " = " << x << endl
#define FOR(i, j, n) for(int i = j; i <= n; ++i)
#define boost cin.tie(0), ios_base::sync_with_stdio(0);


using namespace std;		

const int N = 50005;

bitset <N> b[6][26];
bitset <N> a, d;

int n, m;
char s[N][10];

int main() {	
	scanf ("%d%d", &n, &m);
	for (int i = 0; i < n; ++i) {
		scanf ("%s", s[i]);
		for (int j = 0; j < m; ++j) {
			if (s[i][j] == '?')
				for (int c = 0; c < 26; ++c)
					b[j][c][i] = 1;
			else
				b[j][s[i][j] - 'a'][i] = 1;
		}
	}
	
	LL ans = 0;
	for (int i = 0; i < n; ++i) d[i] = i;
	for (int i = 0; i < n; ++i) {
		d[i] = 0;
		a.set();
		a = (a & d);
		for (int j = 0; j < m; ++j) 
			if (s[i][j] != '?')
				a = (a & b[j][s[i][j] -'a']);
		ans += a.count();
	}
	printf ("%lld", ans);
		
		
	
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

parametriziran.cpp: In function 'int main()':
parametriziran.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%d%d", &n, &m);
  ~~~~~~^~~~~~~~~~~~~~~~
parametriziran.cpp:27:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf ("%s", s[i]);
   ~~~~~~^~~~~~~~~~~~

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