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Merge pull requestneetcode-gh#2292 from a93a/main

Delete newer duplicate of Problem 665 in C++ and rename older contribution

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Original file line number	Diff line number	Diff line change
`@@ -1,18 +1,25 @@`
`1`	`1`	`classSolution {`
`2`	`2`	`public:`
`3`	`3`	`boolcheckPossibility(vector<int>& nums) {`
`4`		`-int count =0;`
`5`		`-for(int i=1;i<nums.size();i++){`
`6`		`-if(nums[i-1]>nums[i]){`
`7`		`- count++;`
`8`		`-if(i>=2&&nums[i-2]>nums[i]){`
`9`		`- nums[i]=nums[i-1];`
`10`		`- }`
`11`		`-else{`
`12`		`- nums[i-1]=nums[i];`
`13`		`- }`
	`4`	`+bool changed =false;`
	`5`	`+`
	`6`	`+for(int i =0; i < nums.size() -1; i++){`
	`7`	`+if(nums[i] <= nums[i+1]){`
	`8`	`+continue;`
`14`	`9`	`}`
	`10`	`+if(changed){`
	`11`	`+returnfalse;`
	`12`	`+ }`
	`13`	`+`
	`14`	`+if(i ==0 \|\| nums[i+1] >= nums[i-1]){`
	`15`	`+ nums[i] = nums[i+1];`
	`16`	`+ }`
	`17`	`+else{`
	`18`	`+ nums[i+1] = nums[i];`
	`19`	`+ }`
	`20`	`+ changed =true;`
`15`	`21`	`}`
`16`		`-return count<=1;`
	`22`	`+`
	`23`	`+returntrue;`
`17`	`24`	`}`
`18`	`25`	`};`

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