93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
#include <stdio.h>
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#include <string.h>
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#define MAX_SIZE 110
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int proverka(char otv, char zatv) {
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if (otv == '(' && zatv == ')') {
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return 1;
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}
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else if (otv == '{' && zatv == '}') {
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return 1;
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}
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else if (otv == '[' && zatv == ']') {
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return 1;
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}
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else if (otv == '<' && zatv == '>') {
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return 1;
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}
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else {
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return 0;
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}
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}
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int main() {
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char riadok[MAX_SIZE];
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char zasobnik[MAX_SIZE];
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int vrch = -1;
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int chyba = 0;
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char znak;
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if (fgets(riadok, MAX_SIZE, stdin) == NULL) {
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printf("Input Error!\n");
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return 1;
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}
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riadok[strcspn(riadok, "\n")] = '\0';
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printf("Read: %s\n", riadok);
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int dlzka = strlen(riadok);
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for (int i = 0; i < dlzka; i++) {
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znak = riadok[i];
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if (znak == '(' || znak == '[' || znak == '{' || znak == '<') {
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zasobnik[++vrch] = znak;
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}
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else if (znak == ')' || znak == ']' || znak == '}' || znak == '>') {
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if (vrch < 0) {
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printf("Unexpected closing bracket %c in %d\n", znak, i + 1);
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chyba = 1;
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break;
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}
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if (!proverka(zasobnik[vrch], znak)) {
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char ocakavany;
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switch (zasobnik[vrch]) {
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case '(':
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ocakavany = ')';
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break;
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case '[':
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ocakavany = ']';
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break;
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case '{':
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ocakavany = '}';
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break;
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case '<':
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ocakavany = '>';
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break;
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default:
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ocakavany = '?';
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break;
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}
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printf("Crossed bracket %c in %d, expected %c\n", znak, i + 1, ocakavany);
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chyba = 1;
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break;
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}
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vrch--;
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}
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}
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if (!chyba && vrch >= 0) {
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printf("Unclosed bracket %c at the end\n", zasobnik[vrch]);
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chyba = 1;
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}
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if (!chyba) {
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printf("All brackets OK\n");
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}
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return 0;
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}
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