#include <stdio.h> int main() { int rows, cols, i, j, k; /* Input rows and columns from user */ printf("Enter number of rows: "); scanf("%d", &rows); printf("Enter number of columns: "); scanf("%d", &cols); k = 1; for(i=1; i<=rows; i++) { for(j=1; j<=cols; j++) { if(k == 1) { printf("1"); } else { printf("0"); } // If k = 1 then k *= -1 => -1 // If k = -1 then k *= -1 => 1 k *= -1; } if(cols % 2 == 0) { k *= -1; } printf("\n"); } return 0; }
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