64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
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#include <stdlib.h>
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#include <stdio.h>
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int main(){
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char vstup[100];
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float x;
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float y;
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float z;
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char znamienko;
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while(fgets(vstup, 100, stdin)==NULL || *vstup=='\n'){
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if(sscanf(vstup, "%f %c %f = %f", &x, znamienko ,&y ,&z)!=4){
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printf("CHYBA\n");
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continue;
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}
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if(znamienko == '+'){
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float rozdiel;
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rozdiel=(x+y)-z;
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if(rozdiel>-0.001 && rozdiel<0.001){
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printf("OK\n");
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}
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else{
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printf("ZLE\n");
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}
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}
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else if(znamienko == '-'){
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float rozdiel;
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rozdiel=(x-y)-z;
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if(rozdiel>-0.001 && rozdiel<0.001){
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printf("OK\n");
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}
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else{
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printf("ZLE\n");
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}
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}
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else if(znamienko == '*'){
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float rozdiel;
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rozdiel=(x*y)-z;
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if(rozdiel>-0.001 && rozdiel<0.001){
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printf("OK\n");
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}
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else{
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printf("ZLE\n");
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}
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}
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else if(znamienko == '/'){
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float rozdiel;
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rozdiel=(x/y)-z;
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if(rozdiel>-0.001 && rozdiel<0.001){
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printf("OK\n");
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}
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else{
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printf("ZLE\n");
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}
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}
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else{
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printf("CHYBA\n");
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}
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}
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}
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