View difference between Paste ID: 9H7R4xY2 and CFFdhJ9k

 #include <iostream>
 #include <vector>
 
 using namespace std;
 
 int main() {
     int n;
     cin >> n;
     int m;
     cin >> m;
     vector <int> a;
     for (int i = 0; i < n; i++) {
         int z;
         cin >> z;
         a.push_back(z);
     }
-    int low = 0;
+     for (int i = 0; i < m; i++) {
-    int high = a.size() - 1;
+     	int x;
-    while (high - low > 0) {
+    	cin >> x;
-        int mid = (low + high) / 2;
+    	int l = 0;
-        if (a[mid] > m) {
+    	int r = a.size();
-            low = mid;
+    	while (r - l > 1) {
-        }else {
+        	int m = (l + r) / 2;
-            high = mid;
+        	if (x < a[m]) {
-        }
+            	l = m;
         	}else {
-    cout << high;
+            	r = m;
         	}
     	}
         if (a[r] ! = x) {
         	cout << 0;
         } else{
     		cout << r;
         }
    	  }
     return 0;
 }