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add: 220113

This commit is contained in:
Lam Haoyin 2022-01-14 00:02:53 +08:00
parent a093e2a47b
commit dde8caae46
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GPG Key ID: 8C089CB1A2B7544F
2 changed files with 25 additions and 1 deletions
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24
2201/220113.cpp Normal file
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@ -0,0 +1,24 @@
#include <vector>
#include <algorithm>
#include <iostream>
class Solution {
public:
static int findMinArrowShots(std::vector<std::vector<int>>& points) {
std::sort(points.begin(), points.end(), [](const std::vector<int>& l, const std::vector<int>& r) { return l[1] < r[1]; });
int ret = 0, n = points.size();
for (int i = 0, r; i < n;) {
++ret;
r = points[i][1];
while (i < n && points[i][0] <= r)
++i;
}
return ret;
}
};
int main() {
std::vector<std::vector<int>> v {{3,9},{7,12},{3,8},{6,8},{9,10},{2,9},{0,9},{3,9},{0,6},{2,8}}; // {{10, 16}, {2, 8}, {1, 6}, {7, 12}};
std::cout << Solution::findMinArrowShots(v);
return 0;
}

2
2201/CMakeLists.txt
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@ -3,4 +3,4 @@ PROJECT(2201)
SET(CMAKE_CXX_STANDARD 23)
ADD_EXECUTABLE(2201 220113-CN.cpp)
ADD_EXECUTABLE(2201 220113.cpp)