138 lines
3.0 KiB
C
138 lines
3.0 KiB
C
/*
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gcc -Werror -std=c11 -Wall in-out.c -lm -o in-out -lm && ./in-out
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <math.h>
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struct res{
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double na,nb,result;
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char sign;
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}list [10];
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int fill(double*,double*,char *,double *);
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double count(const double*,const double *,char);
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int aget(double *);
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int sget(char *);
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int efinde(void);
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char checkend(void);
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int main(){
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int cond;
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char fcond=1;
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int i;
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for(i=0;fcond!=EOF;i++){
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fcond=checkend();
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if(fcond==EOF)
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break;
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cond=aget(&list[i].na);
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if(cond<0){
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printf("CHYBA\n");
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return 0;}
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cond=sget(&list[i].sign);
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if(cond<0){
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printf("CHYBA\n");
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return 0;}
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cond=aget(&list[i].nb);
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if(cond<0){
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printf("CHYBA\n");
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return 0;}
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cond=efinde();
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if(cond<0){
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printf("CHYBA\n");
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return 0;}
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cond=aget(&list[i].result);
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if(cond<0){
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printf("CHYBA\n");
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return 0;}
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if((fcond=checkend())!='\n' && fcond>0){
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printf("CHYBA\n");
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return 0;}
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if(fcond==-1)
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break;
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//printf("%lf %c %lf = %lf\n",list[i].na,list[i].sign,list[i].nb,list[i].result);
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}
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for(int x=0;x<i;x++){
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double fin=count(&list[x].na,&list[x].nb,list[x].sign);
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//printf("%lf %lf\n",fin,list[x].result);
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if((long)(fin*1000000)!=(long)(list[x].result)*1000000){
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printf("ZLE\n");
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return 0;
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}
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}
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printf("OK\n");
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}
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char checkend(void){
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char c;
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int count=1;
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c=getchar();
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while((c=getchar())){
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++count;
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if(c==EOF || c=='\n'){
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int a=c;
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if((c=getchar())==EOF){
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++count;
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fseek(stdin,-count,SEEK_CUR);
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return c;
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}
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++count;
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fseek(stdin,-count,SEEK_CUR);
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return a;
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}
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else if(!isspace(c)){
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fseek(stdin,-count,SEEK_CUR);
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return c;
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}
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}
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return -2;
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}
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double count(const double*na,const double *nb,char sign){
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if(sign=='+')
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return *na+*nb+0.00000000001;
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else if(sign=='-')
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return *na-*nb;
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else if(sign=='*')
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return *na*(*nb);
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else if(sign=='/')
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return *na/(*nb);
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return -1;
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}
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int aget(double *na){
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char a[30];
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char c;
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char *p;
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p=a;
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while(isspace(c=getchar()));
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if(isdigit(c)){
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*(p++)=c;
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while(isdigit(c=getchar())|| c=='.') *(p++)=c;
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*p='\0';
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*na=atof(a);
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}else
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return -1;
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fseek(stdin,-1,SEEK_CUR);
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return 1;
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}
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int sget(char *sign){
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char c;
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while(isspace(c=getchar()));
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if(c=='+' || c=='-' || c=='/' || c=='*')
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*sign=c;
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else
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return -1;
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return 1;
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}
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int efinde(void){
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char c;
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while(isspace(c=getchar()));
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if(c!='=')
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return -1;
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return 1;
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} |