DSA Parentheses checking

PHOTO EMBED

Fri Aug 25 2023 06:26:30 GMT+0000 (Coordinated Universal Time)

Saved by @Astik 

#include<stdio.h>
#include<conio.h>
#include<string.h>
int main(){
	int i=0, top=-1;
	char s[30], stack[30];
	clrscr();
	printf("Enter expression :");
	scanf("%s",&s);
	printf("%s",s);
	for(i=0;i<20;i++){
		if((s[i]=='(')|| (s[i]=='{') || (s[i]=='[')){
			top++;
			stack[top]=s[i];
		}else if((stack[top]=='(' && s[i]==')')|| (stack[top]=='{' && s[i]=='}') || (stack[top]=='[' && s[i]==']'))
						      {	top--;
							}


		}
	if(top==-1){
		printf("Valid Brackets");

	}else{
		printf("Invalid Brackets");
		}
		getch();
		return 0;


}
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