开始计概A下半学期。

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rogerwang2008 committed 2026-11-09 21:13:09 +08:00
1 parent 0cfdc8499c
commit 38e97654e1
31 files changed
+2144 -110

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@@ -0,0 +1,29 @@
/*
* 特别处理有一个杆子超级长?
*/
#include <algorithm>
#include <iostream>
#include <vector>
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int n;
std::cin >> n;
std::vector<int> half_lengths;
half_lengths.reserve(2 * n);
for (int i = 0; i < n; i++) {
int length, flag_pos;
std::cin >> length >> flag_pos;
half_lengths.push_back(length - flag_pos);
half_lengths.push_back(flag_pos);
}
std::sort(half_lengths.begin(), half_lengths.end(), std::greater<>());
std::cout << half_lengths[0] + half_lengths[1] << std::endl;
return 0;
}