an760cw/usaa23
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Update 'a1/program.c'

Browse Source
This commit is contained in:
Anzhelika Nikolaieva 2023-10-31 16:30:27 +00:00
parent 6c5bdf4232
commit 21a99e9090
1 changed files with 25 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
a1/program.c
View File

@ -6,12 +6,13 @@ bool brackets(const char *code) {
int stack[100];
int top = -1;
for (int i = 0; code[i] != '\0'; i++) {
if (code[i] == '(' || code[i] == '[' || code[i] == '{' || code[i] == '<') {
stack[++top] = i;
} else if (code[i] == ')' || code[i] == ']' || code[i] == '}' || code[i] == '>') {
if (top == -1) {
printf("Unexpected closing bracket %c in %d\n", code[i], i);
printf("Unclosed bracket %c in %d\n", code[i], i);
return false;
}
@ -29,25 +30,40 @@ bool brackets(const char *code) {
}
if (code[opening] != expected_opening) {
printf("Crossed bracket %c in %d, expected %c \n", code[i], i, expected_opening);
printf("Crossed bracket %c in %d, expected %c\n", code[i], i, expected_opening);
return false;
}
}
}
if (top != -1) {
int opening = stack[top];
printf("Unclosed bracket %c in %d\n", code[opening], opening);
return false;
}
while (top >= 0) {
int opening = stack[top--];
char unclosed = code[opening];
char expected_closing = 0;
return true;
if (unclosed == '(') {
expected_closing = ')';
} else if (unclosed == '[') {
expected_closing = ']';
} else if (unclosed == '{') {
expected_closing = '}';
} else if (unclosed == '<') {
expected_closing = '>';
}
if (top == -1) {
printf("Missing closing brackets: %c\n", expected_closing);
return false;
}
}
return top == -1;
}
int main() {
char code[100];
fgets(code, sizeof(code), stdin);
if (code[strlen(code) - 1] == '\n') {
code[strlen(code) - 1] = '\0';
}