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#include <stdio.h> #include <stdlib.h> #include <math.h> int main(void) { float num1, num2, geo_mean; char waste; int flag1, flag2, condition = 1; printf("<Enter a non-numerical input to exit the program>\n"); while(condition){ printf("Please input your first number: "); scanf("%f", &num1); if(isdigit(num1) == 0){ break; } printf("Please input your second number: "); scanf("%f", &num2); if(isdigit(num2) == 0){ break; } if(num1*num2 >= 0){ geo_mean = sqrt(num1*num2); printf("The geometric mean is %.2f\n", geo_mean); } else{ printf("Your input is invalid. Please try again.\n"); } } return 0; }
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