#include #include #include typedef struct Monkey_ Monkey; typedef struct Monkey_ { long long item[64]; int items, is_multiply, opertant_is_old, operant, test, test_true, test_false, inspections; } Monkey; Monkey* newMonkey() { char *line = NULL; size_t size; size_t len; Monkey *monkey = malloc(sizeof(Monkey)); monkey->inspections = 0; // items len = getline(&line, &size, stdin); char *begin = line+18; char *token = NULL; for (int j = 0; (token = strsep(&begin, ",")); j++) { // printf("%u: %s\n", j, token); monkey->item[j] = atoi(token); monkey->items = j+1; } // operation len = getline(&line, &size, stdin); monkey->is_multiply = line[23] == '*'; monkey->opertant_is_old = line[25] == 'o'; if (!monkey->opertant_is_old) { monkey->operant = atoi(line+25); } // test len = getline(&line, &size, stdin); monkey->test = atoi(line+21); // test true len = getline(&line, &size, stdin); monkey->test_true = atoi(line+29); // test true len = getline(&line, &size, stdin); monkey->test_false = atoi(line+30); len = getline(&line, &size, stdin); return monkey; } void inspect(Monkey *monkey, Monkey *monkeys[]) { monkey->inspections += monkey->items; for (int i = 0; i < monkey->items; i++) { // set operant int operant = monkey->operant; if (monkey->opertant_is_old) operant = monkey->item[i]; // set operation if (monkey->is_multiply) { monkey->item[i] *= operant; } else { monkey->item[i] += operant; } monkey->item[i] /= 3; // throw item based on test int throw = monkey->test_true; if (monkey->item[i] % monkey->test != 0) { throw = monkey->test_false; } monkeys[throw]->item[monkeys[throw]->items] = monkey->item[i]; monkeys[throw]->items++; } monkey->items = 0; } int main() { int monkeys = 0; Monkey *monkey[10] = { }; char *line = NULL; size_t size; size_t len; int active1 = 0, active2 = 0; while ((len = getline(&line, &size, stdin)) != -1) { // create monkeys Monkey *new = newMonkey(); monkey[monkeys] = new; monkeys++; // print monkey attributes printf("Items:"); for (int i = 0; i < new->items; i++) { printf("%lldd ", new->item[i]); } printf("\n %d %d %d %d %d %d\n\n", new->is_multiply, new->opertant_is_old, new->operant, new->test, new->test_true, new->test_false ); } for (int i = 0; i < 20; i++) { // do inspection for (int ii = 0; ii < monkeys; ii++) { inspect(monkey[ii], monkey); } // output rounds printf("Round %d\n", i); for (int ii = 0; ii < monkeys; ii++) { printf("Monkey %d: ", ii); for (int iii = 0; iii < monkey[ii]->items; iii++) { printf("%lld ", monkey[ii]->item[iii]); } printf("\n"); } } // get two most active monkeys for (int i = 0; i < monkeys; i++) { if (monkey[i]->inspections > active1) { active2 = active1; active1 = monkey[i]->inspections; } printf("Monkey %d inspected items %d times. \n", i, monkey[i]->inspections); } printf("Monkey biz: \n%d\n", active1 * active2); }