Submission #999088

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Source Code Expand

#include <string>
#include <vector>
#include <iomanip>
#include <iostream>
#include <algorithm>
using namespace std;
int n, a, b, c[173333], sum[173333];
int main() {
	cin >> n;
	long long s = 0;
	for (int i = 0; i < n; i++) {
		cin >> a >> b; s += a;
		c[s % 86400]++;
		c[s % 86400 + 86400]++;
		s += b;
	}
	for (int i = 0; i < 172800; i++) sum[i + 1] = sum[i] + c[i];
	int ret = 0;
	for (int i = 0; i < 86400; i++) ret = max(ret, sum[i + 10801] - sum[i]);
	cout << ret << endl;
	return 0;
}

Submission Info

Judge Result