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Merge pull requestneetcode-gh#2489 from derekjtong/Create-1700-number-of-students-unable-to-eat-lunch.cpp

Create 1700-number-of-students-unable-to-eat-lunch.cpp

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	`1`	`+classSolution {`
	`2`	`+public:`
	`3`	`+intcountStudents(vector<int>& students, vector<int>& sandwiches) {`
	`4`	`+ queue<int> q1;`
	`5`	`+for(int i =0; i < students.size(); i++) {`
	`6`	`+ q1.push(students[i]);`
	`7`	`+ }`
	`8`	`+`
	`9`	`+int sandwichPos =0;`
	`10`	`+int curr =0;`
	`11`	`+while(!q1.empty() && curr <= q1.size()) {`
	`12`	`+if(q1.front() == sandwiches[sandwichPos]) {`
	`13`	`+ q1.pop();`
	`14`	`+ sandwichPos++;`
	`15`	`+ curr =0;`
	`16`	`+ }else {`
	`17`	`+ q1.push(q1.front());`
	`18`	`+ q1.pop();`
	`19`	`+ }`
	`20`	`+ curr++;`
	`21`	`+ }`
	`22`	`+return q1.size();`
	`23`	`+ }`
	`24`	`+};`

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