Submission #1047200

#	Time	Username	Problem	Language	Result	Execution time	Memory
1047200		EntityPlantt	Bouquet (EGOI24_bouquet)	C++17	24 / 100	18 ms	1248 KiB

Main

#include <iostream>
using namespace std;

const int N = 2e5 + 5;
int dp[N];

signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	bool subt1 = true;
	int n, rd;
	cin >> n;
	dp[0] = 1;
	for (int i = 0, l, r; i < n; i++) {
		cin >> l >> r;
		if (l == r) {
			if (!i) rd = l;
			else if (rd != l) subt1 = false;
		}
		else subt1 = false;
		if (i) dp[i] = dp[i - 1];
		if (i > l) dp[i] = max(dp[i], dp[i - l - 1] + 1);
	}
	if (subt1) cout << (n + rd) / (rd + 1);
	else cout << dp[n - 1];
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:24:36: warning: 'rd' may be used uninitialized in this function [-Wmaybe-uninitialized]
   24 |  if (subt1) cout << (n + rd) / (rd + 1);
      |                                ~~~~^~~~

• Subtask 1: 8 / 8
• Subtask 2: 16 / 16
• Subtask 3: 0 / 28
• Subtask 4: 0 / 18
• Subtask 5: 0 / 30