// nested for loops #include int main(void) { // variables for counters int iRow, jColumn; // outer loop, execute this first for(iRow=1; iRow<11; iRow++) { printf("\n%d", iRow); // then, execute inner loop with loop index jColumn // the initial value of jColumn is iRow + 1 for(jColumn=iRow+1; jColumn<11; jColumn++) // display the result printf("%d", jColumn); // increment counter by 1 for inner loop } // increment the counter by 1 for outer loop printf("\n"); return 0; }