57 lines
2.2 KiB
C
57 lines
2.2 KiB
C
#include <stdio.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include <math.h>
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#define velkost 10
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struct zasobnik {
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float price;
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};
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int main() {
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struct zasobnik databaza[velkost];
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char input[100]= {0};
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float number = 0;
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int counter = 0;
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while(fgets(input, sizeof(input), stdin) && strcmp( input, "\n" ) != 0 ){
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number = strtof(input, NULL);
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databaza[counter].price = number;
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if(input[0] == '+'){
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printf("%.2f \n",databaza[counter-2].price);
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printf("%.2f %.2f \n",databaza[counter-2].price, databaza[counter-1].price);
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databaza[counter-2].price = databaza[counter-2].price + databaza[counter-1].price;
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printf("%.2f \n",databaza[counter-2].price);
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}
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if(input[0] == '-'){
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printf("%.2f \n",databaza[counter-2].price);
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printf("%.2f %.2f \n",databaza[counter-2].price, databaza[counter-1].price);
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databaza[counter-2].price = databaza[counter-2].price - databaza[counter-1].price;
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printf("%.2f \n",databaza[counter-2].price);
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}
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if(input[0] == '/'){
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if(databaza[counter-1].price == 0){
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printf("%.2f \n",databaza[counter-2].price);
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printf("%.2f %.2f \n",databaza[counter-2].price, databaza[counter-1].price);
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printf("division by zero");
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return 0;
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}
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printf("%.2f \n",databaza[counter-2].price);
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printf("%.2f %.2f \n",databaza[counter-2].price, databaza[counter-1].price);
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databaza[counter-2].price = databaza[counter-2].price / databaza[counter-1].price;
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printf("%.2f \n",databaza[counter-2].price);
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}
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if(input[0] == '*'){
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printf("%.2f \n",databaza[counter-2].price);
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printf("%.2f %.2f \n",databaza[counter-2].price, databaza[counter-1].price);
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databaza[counter-2].price = databaza[counter-2].price * databaza[counter-1].price;
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printf("%.2f \n",databaza[counter-2].price);
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}
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counter++;
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}
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printf("no input\n");
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} |