leetcode-daily/2201/220128-CN.cpp

25 lines
606 B
C++

#include <vector>
#include <iostream>
class Solution {
public:
static int numberOfWeakCharacters(std::vector<std::vector<int>>& properties) {
std::sort(properties.begin(), properties.end(), [](const std::vector<int>& x, const std::vector<int>& y) {
if (x[0] - y[0])
return x[0] > y[0];
return x[1] < y[1];
});
int ret = 0, max = -1;
for (const auto& i : properties)
if ((max = std::max(i[1], max)) > i[1])
++ret;
return ret;
}
};
int main() {
std::vector<std::vector<int>> args = {{1,1},{2,1},{2,2},{1,2}};
std::cout << Solution::numberOfWeakCharacters(args);
return 0;
}