제출 #1010571

#제출 시각아이디문제언어결과실행 시간메모리
1010571lrancic성질 급한 지학이 (IZhO13_crazy)C++17
0 / 100
1 ms348 KiB
#include <iostream>
#include <vector>

int solve(int n, std::vector<int> &line) {
	if (line[0] == 1) return 1;
	if (n == 2) return line.back() == 2;
	if (line[n-2] < line[n-3]) return line[n-2];
	return 0;
}

int main() {
	std::ios_base::sync_with_stdio(false), std::cin.tie(nullptr), std::cout.tie(nullptr);
	int _; std::cin >> _; while (_--) {
		int n; std::cin >> n; std::vector<int> line(n); for (int i = 0; i < n; i++) std::cin >> line[i];
		std::cout << solve(n, line) << '\n';
	}
}
#Verdict Execution timeMemoryGrader output
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