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Ecosia

ECOSIA - A Green search engine “ Ecosia donates 80% profits to planting trees” Site: www.ecosia.org Lauched on 7 th December 2009 and created by Christian Kroll available in more than 26 language. It is located in Berlin, Germany.It is also called as CO2-neutral company.Ecosia has donated to different tree-planting programs. Until December 2010 Ecosia’s donations went to a program by WWF Germany that protected the Juruena-National park in the Amazonas. In order to make sure the protection was kept up, the program also drew up and financed plans with timber companies and the  local communities. According to B-labs, as of January 2015, "In donating 80 percent of its ad revenue, the search engine has raised over $1.5 million for rainforest protection since its founding in December 2009." According to Ecosia, by 2015, the search engine had almost 2.5 million active users, and searches through it had resulted in more than 2 million trees being planted.Since October 201

C program jackpot

/*Program to show sum of 10 elements of array & show the average.*/ #include<stdio.h> int main () { int a[ 10 ],i,sum = 0 ; float av; printf( "enter elements of an aaray: " ); for (i = 0 ;i < 10 ;i ++ ) scanf( "%d" , & a[i]); for (i = 0 ;i < 10 ;i ++ ) sum = sum + a[i]; printf( "sum=%d" ,sum); av = sum / 10 ; printf( "average=%.2f" ,av); return 0 ; } Output: enter elements of an array : 4 4 4 4 4 4 4 4 4 4 sum = 40 average = 4.00 /*Program to find the maximum no. in an array.*/ #include<stdio.h> void main () { int a[ 5 ],max,i; printf( "enter element for the array: " ); for (i = 0 ;i < 5 ;i ++ ) scanf( "%d" , & a[i]); max = a[ 0 ]; for (i = 1 ;i < 5 ;i ++ ) { if (max < a[i]) max = a[i]; } printf( "maximum no= %d" ,max); } Output: enter elements for array : 5 4 7 1 2 maximum no = 7 /*Swapp

C program for bracket matching

# include < stdio.h > int main ( ) { char a [ 24 ] , stack [ 24 ] ; int n , i , top = 0 , cnt = 0 ; scanf ( " %s " , a ) ; n = strlen ( a ) ; if ( n % 2 = = 0 ) { for ( i = 0 ; i < n ; i + + ) { switch ( a [ i ] ) { case '(' : case '{' : case '[' : case '<' : stack [ top + + ] = a [ i ] ; break ; case ')' : if ( stack [ - - top ] = = '(' ) { cnt + + ; } break ; case '}' : if ( stack [ - - top ] = = '{' ) cnt + + ; break ; case ']' : if ( stack [ - - top ] = = '[' ) cnt + + ; break ; case '>' : if ( stack [ - - top ] = = '<' ) cnt + + ; break ; default : break ; } } //printf("%s %d %d",stack,cnt,n); if ( n / 2 = = cnt ) printf ( " valid " ) ; else printf ( " invalid " ) ; } else printf ( " invalid " ) ; return 200 ; } if u have