Create 3191. Minimum Operations to Make Binary Array Elements Equal t… (#745)

Author: Chayandas07

3191. Minimum Operations to Make Binary Array Elements Equal to One I

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+class Solution {
+public:
+    int minOperations(vector<int>& nums) {
+        int n = nums.size();
+        int count = 0;
+        for( int x = 0 ; x < n-2 ; x++ ){
+            if( nums[ x ] == 0 ){
+                nums[ x ] = 1;
+                nums[ x+1 ] = 1 - nums[ x+1 ];
+                nums[ x+2 ] = 1 - nums[ x+2 ]; 
+                count++;
+            }
+        }
+        for( auto i : nums ) if( i == 0 ) return -1;
+        return count;
+    }
+};