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add: 220204

This commit is contained in:
Lam Haoyin 2022-02-04 11:15:50 +08:00
parent 8c4da77b8f
commit 3d5095d75e
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GPG Key ID: 8C089CB1A2B7544F
2 changed files with 26 additions and 1 deletions
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25
2202/220204.cpp Normal file
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@ -0,0 +1,25 @@
#include <vector>
#include <unordered_map>
#include <iostream>
class Solution {
public:
static int findMaxLength(const std::vector<int>& nums) {
int sum = 0, n = nums.size(), ret = 0;
std::unordered_map<int, int> m;
m[0] = -1;
for (int i = 0; i < n; ++i) {
sum += 1 - (nums[i] << 1);
if (m.count(sum))
ret = ret < i - m[sum] ? i - m[sum] : ret;
else
m[sum] = i;
}
return ret;
}
};
int main() {
std::cout << Solution::findMaxLength({0,1,0});
return 0;
}

2
2202/CMakeLists.txt
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@ -3,4 +3,4 @@ PROJECT(2202)
SET(CMAKE_CXX_STANDARD 23)
ADD_EXECUTABLE(2202 220203-CN.cpp)
ADD_EXECUTABLE(2202 220204.cpp)