Submission #933065

#	Time	Username	Problem	Language	Result	Execution time	Memory
933065		vjudge1	Selling RNA Strands (JOI16_selling_rna)	C++17	10 / 100	1549 ms	6488 KiB

selling_rna

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

string arr[100005];

int main() {
	
	int n, m;

	string a, b;

	bool flag;

	cin >> n >> m;

	for(int i=0; i<n; i++) {
		cin >> arr[i];
	}

	int res;

	while(m--) {
		cin >> a >> b;

		res = 0;

		for(int i=0; i<n; i++) {

			flag = true;

			if(arr[i].length() < a.length() || arr[i].length() < b.length()) {
				continue;
			}

			for(int j=0; j<a.length(); j++) {
				if(a[j] != arr[i][j]) {
					flag = false;
					break;
				}
			}

			for(int j=0; j<b.length(); j++) {
				if(b[j] != arr[i][arr[i].length()-b.length()+j]) {
					flag = false;
					break;
				}
			}

			if(flag) res++;
		}

		cout << res << "\n";
	}
}

Compilation message (stderr)

selling_rna.cpp: In function 'int main()':
selling_rna.cpp:35:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |    for(int j=0; j<a.length(); j++) {
      |                 ~^~~~~~~~~~~
selling_rna.cpp:42:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |    for(int j=0; j<b.length(); j++) {
      |                 ~^~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 40