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C A R R what's the next letter?
CARRY
What letter comes next c a r r?
y
What comes next after the letter R?
Normally it is S in the alphabet
Formula of r form c equals 2pi r?
The circumference of a circle C is 2Pixr So solving for r we have C/2Pi=r
Write a program to determine whether or not the given square is a magic square?
/*This program takes a square matrix from user and check whether it's a Magic Square or not. */ #include<stdio.h> #include<conio.h> int num[10][10],sum[21],r,c,i=0,x; void read_matrix() { for(r=0;r<x;r++) { for(c=0;c<x;c++) { printf("Enter the value of matrix[%d][%d] :",r,c); scanf("%d",&num[r][c]); } } } void calculate_sum() { int sum_row,sum_col=0,ctr=0; for(r=0;r<x;r++) { sum_row = 0; for(c=0;c<x;c++) { printf("\t%d",num[r][c]); sum_row = sum_row + num[r][c]; } sum[ctr] = sum_row; ctr++; printf(":: %d",sum_row); printf("\n"); } while(i<x) { printf("\t::"); i++; } printf("\n"); for(c=0;c<x;c++) {sum_col = 0; for(r=0;r<x;r++) sum_col = sum_col + num[r][c]; sum[ctr] = sum_col; ctr++; printf("\t%d",sum_col); } for(r=0,c=0;r<x;r++,c++) sum[2*x] = sum[2*x] + num[r][c]; for(r=0,c=x-1;r<x;r++,c--) sum[2*x+1] = sum[2*x+1] + num[r][c]; } char check_matrix() { char c; for(i=0;i<2*x+1;i++) { if(sum[i] == sum[i+1]) c = 'Y'; else { c = 'N'; break; } } return c; } void main() { char c; clrscr(); printf("Enter d no. of rows or cols u want in your matrix :"); scanf("%d",&x); read_matrix(); calculate_sum(); c = check_matrix(); if(c=='Y') printf("\nThis matrix is a Magic Square"); else printf("\nThis matrix is not a Magic Square"); getch(); }
