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Update 'du4/program.c'

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This commit is contained in:
Anzhelika Nikolaieva 2023-03-17 20:57:05 +00:00
parent b21597ee93
commit 2fc2076427
1 changed files with 66 additions and 70 deletions
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136
du4/program.c
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@ -1,91 +1,87 @@
#include <stdlib.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <stdlib.h>
#include <math.h> #include <math.h>
int main() { int main() {
int ch = getchar(); char line[300];
char priklad[300];
int count = 0; int count = 0;
while (fgets(line, sizeof(line), stdin)) {
count++;
char *start = line, *end = NULL;
int has_operator = 0;
float num1 = 0, num2 = 0, expected_result = 0;
char op, *next;
for (int idx = 0; 1; idx++) { while (*start != '\n') {
priklad[idx] = ch; if (*start == '+' || *start == '-' || *start == '*' || *start == '/') {
if (ch == '\n') { if (has_operator) {
count++; printf("CHYBA\n");
} goto next_line;
ch = getchar();
if ((priklad[idx] == '\n' && ch == '\n') || ch == EOF) {
break;
}
}
char *start = priklad, *end = NULL;
for (int c = 0; c < count; c++) {
int skip = 0, z = 0;
for (int idx = 0; start[idx] != '\n'; idx++) {
if (start[idx] == '+' || start[idx] == '-' || start[idx] == '*' || start[idx] == '/') {
z = 1;
}
if ((start[idx] < '0' || start[idx] > '9') && start[idx] != ' ' && start[idx] != '=' && start[idx] != '+' && start[idx] != '-' && start[idx] != '*' && start[idx] != '/' && start[idx] != '.') {
skip = 1;
printf("CHYBA\n");
while ((*start) != '\n') {
start++;
} }
start++; has_operator = 1;
break; op = *start;
} } else if ((*start < '0' || *start > '9') && *start != ' ' && *start != '=' && *start != '.') {
} printf("CHYBA\n");
goto next_line;
if (skip == 1) {
continue;
}
if (z == 0) {
while ((*start) != '\n') {
start++;
} }
start++; start++;
}
if (!has_operator) {
printf("CHYBA\n"); printf("CHYBA\n");
continue; goto next_line;
}
float num1 = strtof(start, &end);
if (end == start) {
printf("KONIEC\n");
}
while ((*start) != '+' && (*start) != '-' && (*start) != '/' && (*start) != '*') {
start++;
}
char znak = (*start);
start++;
float num2 = strtof(start, &end);
start = end;
while (((*start) < '0' || (*start) > '9') && (*start) != '-') {
start++;
} }
float vysledok2 = strtof(start, &end); num1 = strtof(line, &next);
start = end; while (*next == ' ') next++;
start++; if (*next != op) {
float vysledok = 0; printf("CHYBA\n");
goto next_line;
if (znak == '-') {
vysledok = num1 - num2;
} else if (znak == '+') {
vysledok = num1 + num2;
} else if (znak == '*') {
vysledok = num1 * num2;
} else if (znak == '/') {
vysledok = num1 / num2;
} }
vysledok = (round(vysledok * 100)) / 100; next++;
if (vysledok2 - vysledok < 0.001 && vysledok2 - vysledok > -0.001) { num2 = strtof(next, &next);
while (*next == ' ') next++;
if (*next == '=') {
next++;
expected_result = strtof(next, &next);
while (*next == ' ') next++;
} else {
printf("CHYBA\n");
goto next_line;
}
if (*next != '\n') {
printf("CHYBA\n");
goto next_line;
}
float result;
switch (op) {
case '+':
result = num1 + num2;
break;
case '-':
result = num1 - num2;
break;
case '*':
result = num1 * num2;
break;
case '/':
if (num2 == 0) {
printf("CHYBA\n");
goto next_line;
}
result = num1 / num2;
break;
}
result = roundf(result * 100) / 100;
if (fabs(result - expected_result) < 0.001) {
printf("OK\n"); printf("OK\n");
} else { } else {
printf("ZLE\n"); printf("ZLE\n");
} }
next_line:
continue;
} }
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }