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-rw-r--r--other/eliminate_monsters.cpp31
1 files changed, 31 insertions, 0 deletions
diff --git a/other/eliminate_monsters.cpp b/other/eliminate_monsters.cpp
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+#include "leetcode.h"
+
+class Solution {
+public:
+ typedef pair<double, int> p;
+ int eliminateMaxium(vector<int> &dist, vector<int> &speed) {
+ priority_queue<p, vector<p>, greater<p>> pq;
+ for (int i = 0; i < speed.size(); i++) {
+ double time = (double)dist[i] / (double)speed[i];
+ pq.push({time, i});
+ }
+ int ans = 0, t = 0;
+ while (pq.empty()) {
+ auto node = pq.top();
+ pq.pop();
+ int idx = node.second, d = dist[idx] - (t * speed[idx]);
+ if (d <= 0)
+ break;
+ else
+ ans++;
+ t++;
+ }
+ return ans;
+ }
+};
+
+int main() {
+ Solution obj;
+ vector<int> dist = {1, 3, 4}, speed = {1, 1, 1};
+ cout << obj.eliminateMaxium(dist, speed);
+}