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#include <algds/sort.h>
#include <algds/type_alias.h>
#include <errno.h>
#include <ctype.h>
#include <algds/vec.h>
#include <algds/str.h>
#include <limits.h>
#include <stdint.h>
#include <stdio.h>
#define PANIC do { \
fprintf(stderr, "panic at %s:%d\n", __FILE__, __LINE__); \
abort(); \
} while (0)
void expect_char(char e) {
int c = fpeek(stdin);
if (c != e) {
PANIC;
}
fgetc(stdin);
}
bool string2long(const char *s, long *num) {
char *end;
errno = 0;
*num = strtol(s, &end, 10);
if (end == s) {
return false;
}
if (errno != 0) {
return false;
}
return true;
}
int64_t parse_integer() {
long ret;
StrBuilder sb;
StrBuilder_init(&sb);
while (1) {
int c = fpeek(stdin);
if (isdigit(c)) {
fgetc(stdin);
StrBuilder_append_char(&sb, c);
} else {
break;
}
}
if (strlen(sb.buf) == 0) {
PANIC;
}
StrBuilder_append_char(&sb, '\0');
if (!string2long(sb.buf, &ret)) {
PANIC;
}
free(sb.buf);
return ret;
}
uint32_t parse_indicator() {
expect_char('[');
uint32_t ret = 0;
int n = 0;
while (1) {
int c = fpeek(stdin);
if (c == '.') {
getchar();
} else if (c == '#') {
getchar();
// printf("n=%d\n", n);
ret |= (1 << n);
// printf("ret=%d\n", ret);
} else {
break;
}
n++;
}
expect_char(']');
return ret;
}
uint32_t parse_button() {
uint32_t ret = 0;
expect_char('(');
while (1) {
long num = parse_integer();
ret |= (1 << num);
int c = fpeek(stdin);
if (c == ',') {
getchar();
} else {
break;
}
}
expect_char(')');
return ret;
}
void skip_space() {
while (1) {
int c = fpeek(stdin);
if (c == EOF) return;
if (isspace(c)) {
fgetc(stdin);
} else {
return;
}
}
}
UIntVector parse_buttons() {
skip_space();
UIntVector ret;
UIntVector_init(&ret);
while (1) {
int c = fpeek(stdin);
if (c == '(') {
uint32_t btn = parse_button();
UIntVector_push_back(&ret, btn);
skip_space();
} else {
break;
}
}
return ret;
}
void skip_to_line_end() {
while (1) {
int c = getchar();
if (c != '\n' && c != EOF) {
continue;
} else {
break;
}
}
}
void solve_impl(uint32_t target, UIntVector *buttons, uint32_t curind, int curbtn, int curtimes, int *mintimes) {
if (target == curind) {
if (curtimes < *mintimes) {
*mintimes = curtimes;
}
}
if (curbtn >= buttons->size) {
return;
}
uint32_t btn = buttons->buffer[curbtn];
solve_impl(target, buttons, curind, curbtn+1, curtimes, mintimes);
solve_impl(target, buttons, curind ^ btn, curbtn+1, curtimes+1, mintimes);
}
int solve(uint32_t indicator, UIntVector *buttons) {
int mintimes = INT_MAX;
solve_impl(indicator, buttons, 0, 0, 0, &mintimes);
if (mintimes == INT_MAX) {
PANIC;
}
return mintimes;
}
int main() {
int r = 0;
while (1) {
int c = fpeek(stdin);
if (c == '[') {
uint32_t indicator = parse_indicator();
UIntVector buttons = parse_buttons();
// printf("%d\n", indicator);
// UIntVector_show(buttons, stdout); puts("");
fflush(stdout);
int solution = solve(indicator, &buttons);
r += solution;
// printf("solution=%d\n", solution);
skip_to_line_end();
} else {
break;
}
}
printf("%d\n", r);
return 0;
}
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