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-rw-r--r--num_weak_char_game.cpp23
1 files changed, 23 insertions, 0 deletions
diff --git a/num_weak_char_game.cpp b/num_weak_char_game.cpp
new file mode 100644
index 0000000..f369a2a
--- /dev/null
+++ b/num_weak_char_game.cpp
@@ -0,0 +1,23 @@
+#include "leetcode.h"
+
+class Solution {
+public:
+ int numberOfWeakCharacters(vvd(int) & properties) {
+ sort(properties.begin(), properties.end(), compare);
+ int currMax = INT_MIN, ans = 0;
+ for (auto p : properties) {
+ if (currMax > p[1])
+ ans++;
+ else
+ currMax = p[1];
+ }
+ return ans;
+ }
+
+private:
+ static bool compare(vector<int> &a, vector<int> &b) {
+ if (a[0] != b[0])
+ return a[0] > b[0];
+ return a[1] < b[1];
+ }
+};