92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
#include <stdio.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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int main() {
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int ch = getchar();
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char priklad[300];
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int count = 0;
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for (int idx = 0; 1; idx++) {
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priklad[idx] = ch;
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if (ch == '\n') {
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count++;
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}
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ch = getchar();
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if ((priklad[idx] == '\n' && ch == '\n') || ch == EOF) {
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break;
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}
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}
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char *start = priklad, *end = NULL;
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for (int c = 0; c < count; c++) {
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int skip = 0, z = 0;
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for (int idx = 0; start[idx] != '\n'; idx++) {
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if (start[idx] == '+' || start[idx] == '-' || start[idx] == '*' || start[idx] == '/') {
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z = 1;
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}
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if ((start[idx] < '0' || start[idx] > '9') && start[idx] != ' ' && start[idx] != '=' && start[idx] != '+' && start[idx] != '-' && start[idx] != '*' && start[idx] != '/' && start[idx] != '.') {
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skip = 1;
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printf("CHYBA\n");
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while ((*start) != '\n') {
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start++;
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}
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start++;
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break;
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}
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}
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if (skip == 1) {
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continue;
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}
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if (z == 0) {
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while ((*start) != '\n') {
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start++;
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}
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start++;
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printf("CHYBA\n");
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continue;
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}
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float num1 = strtof(start, &end);
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if (end == start) {
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printf("KONIEC\n");
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}
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while ((*start) != '+' && (*start) != '-' && (*start) != '/' && (*start) != '*') {
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start++;
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}
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char znak = (*start);
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start++;
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float num2 = strtof(start, &end);
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start = end;
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while (((*start) < '0' || (*start) > '9') && (*start) != '-') {
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start++;
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}
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float vysledok2 = strtof(start, &end);
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start = end;
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start++;
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float vysledok = 0;
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if (znak == '-') {
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vysledok = num1 - num2;
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} else if (znak == '+') {
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vysledok = num1 + num2;
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} else if (znak == '*') {
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vysledok = num1 * num2;
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} else if (znak == '/') {
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vysledok = num1 / num2;
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}
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vysledok = (round(vysledok * 100)) / 100;
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if (vysledok2 - vysledok < 0.001 && vysledok2 - vysledok > -0.001) {
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printf("OK\n");
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} else {
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printf("ZLE\n");
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}
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}
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return EXIT_SUCCESS;
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}
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