36 lines
798 B
C
36 lines
798 B
C
#include <stdio.h>
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int main(int argc, char *argv[])
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{
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float x;
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float y;
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char *operator= argv[2];
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if (argc == 1)
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{
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printf("You did not enter any input.\n");
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}
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else if (argc == 4)
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{
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sscanf(argv[1], "%f", &x);
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sscanf(argv[3], "%f", &y);
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switch (*operator)
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{
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case '+':
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printf("%.2f + %.2f = %.2f", x, y, x + y);
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break;
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case '-':
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printf("%.2f - %.2f = %.2f", x, y, x - y);
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break;
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case 'x':
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printf("%.2f x %.2f = %.2f", x, y, x * y);
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break;
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case '/':
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printf("%.2f / %.2f = %.2f", x, y, x / y);
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break;
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}
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}
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else if (argc != 4 || argc != 1)
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{
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printf("Invalid input.\n");
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}
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} |