43 lines
977 B
C
43 lines
977 B
C
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#include <stdio.h>
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int main (int argc, char *argv[]) {
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float first;
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float second;
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float result;
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int operator;
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printf("Enter first operand: ");
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scanf("%f", &first);
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printf("/nEnter 1 for (+), 2 for (-), 3 for (*), 4 for (/): ");
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scanf("%d", &operator);
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if (operator == 4) {
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do {
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printf("/nEnter second operand: ");
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scanf("%f", &second);
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} while (second == 0);
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} else {
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printf("/nEnter second operand: ");
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scanf("%f", &second);
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}
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switch (operator) {
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case 1:
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result = first + second;
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break;
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case 2:
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result = first - second;
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break;
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case 3:
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result = first * second;
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break;
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case 4:
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result = first / second;
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break;
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default:
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printf("Unknown operator\n");
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return 1;
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}
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printf("Result is: %f \n", result);
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return 0;
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}
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