Update cv6/a_station.c
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@ -10,24 +10,66 @@ struct station* create_station(){
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}
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}
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void destroy_station(struct station* station) {
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void destroy_station(struct station* station) {
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if (station == NULL) return;
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for (int i = 0; i < station->track_count; i++) {
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free(station->tracks[i]);
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}
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free(station->tracks);
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free(station);
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}
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}
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int select_track(struct station* station, const char* target) {
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int select_track(struct station* station, const char* target) {
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return 0;
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for (int i = 0; i < station->track_count; i++) {
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if (station->tracks[i] != NULL && strcmp(station->tracks[i]->target, target) == 0) {
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return i;
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}
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}
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return -1;
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}
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}
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void add_target_capacity(struct station* station, const char* target, int capacity) {
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void add_target_capacity(struct station* station, const char* target, int capacity) {
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int track_index = select_track(station, target);
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if (track_index != -1) {
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station->tracks[track_index]->capacity += capacity;
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} else {
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for (int i = 0; i < station->track_count; i++) {
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if (station->tracks[i] == NULL) {
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station->tracks[i] = (struct car*)malloc(sizeof(struct car));
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strncpy(station->tracks[i]->target, target, sizeof(station->tracks[i]->target) - 1);
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station->tracks[i]->target[sizeof(station->tracks[i]->target) - 1] = '\0';
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station->tracks[i]->capacity = capacity;
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break;
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}
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}
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}
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}
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}
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int get_target_capacity(struct station* station, const char* target) {
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int get_target_capacity(struct station* station, const char* target) {
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int track_index = select_track(station, target);
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if (track_index != -1) {
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return station->tracks[track_index]->capacity;
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}
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return 0;
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return 0;
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}
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}
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int count_targets(struct station* station) {
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int count_targets(struct station* station) {
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return 0;
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int count = 0;
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for (int i = 0; i < station->track_count; i++) {
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if (station->tracks[i] != NULL) {
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count++;
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}
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}
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return count;
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}
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}
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int count_capacity(struct station* station) {
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int count_capacity(struct station* station) {
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return 0;
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int total_capacity = 0;
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for (int i = 0; i < station->track_count; i++) {
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if (station->tracks[i] != NULL) {
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total_capacity += station->tracks[i]->capacity;
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}
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}
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return total_capacity;
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}
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}
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