zatvorky

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

void push(char stack[], char c, int *top_index) {
    *top_index = *top_index + 1;
    stack[*top_index] = c;
}

char pop(char stack[], int *top_index) {
    *top_index = *top_index - 1;
    return stack[*top_index + 1];
}



int main() {
    int stack_top_index = -1;
    char stack[10];
    char c;
    int ok = 1;

    printf("%d\n", 1 % 2);

    while ((c = getchar()) != '\n') {
        if (c == '(' || c == '[' || c == '{') {
            push(stack, c, &stack_top_index);
        }
        else if (c == ')') {
            if (pop(stack, &stack_top_index) != '(') {
                ok--;
                break;
            }
        }
        else if (c == ']') {
            if (pop(stack, &stack_top_index) != '[') {
                ok--;
                break;
            }
        }
        else if (c == '}') {
            if (pop(stack, &stack_top_index) != '{') {
                ok--;
                break;
            }
        }
    }

    if (ok)
        printf("OK\n");
    else
        printf("NOT OK\n");
    system("pause");
    return 0;
}