제출 #115708

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
115708		luciocf	Programiranje (COCI17_programiranje)	C++14	80 / 80	45 ms	5752 KiB

programiranje

#include <bits/stdc++.h>

using namespace std;

const int maxn = 5e4+10;
const int maxc = 30;

int freq[maxc][maxn];

int main(void)
{
	string s;
	cin >> s;

	int n = s.size();

	for (int i = 0; i < n; i++)
	{
		for (int j = 0; j < 26; j++)
			freq[j][i+1] = freq[j][i];

		freq[(int)s[i]-(int)'a'][i+1] = freq[(int)s[i]-(int)'a'][i]+1;
	}

	int q;
	scanf("%d", &q);

	for (int i = 1; i <= q; i++)
	{
		int a, b, c, d;
		scanf("%d %d %d %d", &a, &b, &c, &d);

		if (b-a != d-c)
		{
			printf("NE\n");
			continue;
		}

		bool ok = 1;
		for (int j = 0; j < 26; j++)
			if (freq[j][b]-freq[j][a-1] != freq[j][d]-freq[j][c-1])
				ok = 0;

		if (ok) printf("DA\n");
		else printf("NE\n");
	}
}

컴파일 시 표준 에러 (stderr) 메시지

programiranje.cpp: In function 'int main()':
programiranje.cpp:26:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &q);
  ~~~~~^~~~~~~~~~
programiranje.cpp:31:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d %d", &a, &b, &c, &d);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 80 / 80