2023 day 6

2023/6/main-1.cpp

@@ -0,0 +1,39 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+inline int solve(int time, int distance) {
+	int ways = 0;
+	for (int i = 0; i <= time; i++) {
+		if (i * (time - i) > distance) {
+			ways++;
+		}
+	}
+
+	return ways;
+}
+
+int main() {
+	ios::sync_with_stdio(0);
+	cin.tie(0);
+
+	vector<int> times, distances;
+	string line, line2;
+	getline(cin, line);
+	getline(cin, line2);
+	istringstream s1s(line), s2s(line2);
+	s1s.ignore(500, ':');
+	s2s.ignore(500, ':');
+	while (!s1s.eof()) {
+		int n;
+		s1s >> n;
+		times.push_back(n);
+		s2s >> n;
+		distances.push_back(n);
+	}
+
+	int ret = 1;
+	for (int i = 0; i < distances.size(); i++) {
+		ret *= solve(times[i], distances[i]);
+	}
+	cout << ret << '\n';
+}

2023/6/main-2.cpp

@@ -0,0 +1,32 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+inline long solve(long time, long distance) {
+	long ways = 0;
+	for (long i = 0; i <= time; i++) {
+		if (i * (time - i) > distance) {
+			ways++;
+		}
+	}
+
+	return ways;
+}
+
+int main() {
+	ios::sync_with_stdio(0);
+	cin.tie(0);
+
+	long time, distance;
+	string line, line2;
+	getline(cin, line);
+	line.erase(remove(line.begin(), line.end(), ' '), line.end());
+	istringstream s1s(line);
+	s1s.ignore(500, ':');
+	s1s >> time;
+	getline(cin, line);
+	line.erase(remove(line.begin(), line.end(), ' '), line.end());
+	istringstream s2s(line);
+	s2s.ignore(500, ':');
+	s2s >> distance;
+	cout << solve(time, distance) << '\n';
+}