55 lines
1013 B
C
55 lines
1013 B
C
#include <stdio.h>
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#include <stdbool.h>
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int main(){
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int c[2];
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int a, i = 0;
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int vysledok;
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char riadok[999];
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char *endptr = NULL;
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bool first = true;
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bool second = false;
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while(1){
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a++;
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char* r = fgets(riadok,999,stdin);
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if(*r == '\n'){
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break;
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}else if(*r == ' ')
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continue;
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else if(*r == '+'){
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first = true;
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second = true;;
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continue;
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}else if(*r == '-'){
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first = false;
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second = false;
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continue;
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}else if(*r == '/'){
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first = true;
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second = false;
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continue;
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}else if(*r == '*'){
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first = false;
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second = true;
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continue;
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}else{
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float v = strtod(riadok,&endptr);
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c[i++] = v;
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continue;
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}
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}
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if(first == true && second == true)
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vysledok = c[0] + c[1];
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else if(first == false && second == false)
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vysledok = c[0] - c[1];
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else if(first == true && second == false)
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vysledok = c[0] / c[1];
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else if(first == false && second == true)
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vysledok = c[0] * c[1];
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if(vysledok == c[2])
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printf("OK\n");
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else
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printf("ZLE\n");
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return 0;
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}
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