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| 1 | #include <stdio.h> | |
| 2 | #include <string.h> | |
| 3 | #include <stdint.h> | |
| 4 | #include <stdlib.h> | |
| 5 | #include <ctype.h> | |
| 6 | ||
| 7 | int hash(char destination[3]) {
| |
| 8 | return destination[0]-'a'+1+(destination[1]==0?0:destination[1]-'a'+1)*26; | |
| 9 | } | |
| 10 | ||
| 11 | int main() {
| |
| 12 | - | uint16_t circuits[2*27+1]; |
| 12 | + | uint16_t circuits[27*27+1]; |
| 13 | char operation[20], destination[3]; | |
| 14 | ||
| 15 | for(int i=0;i<27*27+1;i++) {
| |
| 16 | circuits[i]=0; | |
| 17 | } | |
| 18 | ||
| 19 | while(scanf("%[^\n-] -> %[^\n]\n",&operation, &destination) != EOF) {
| |
| 20 | ||
| 21 | //printf("\n%s::%d", destination, hash(destination));
| |
| 22 | char * sauce; | |
| 23 | //printf("\n%s::destination::%s\n\t/destination-value::%d", operation, destination, circuits[hash(destination)]);
| |
| 24 | sauce = strtok(operation, " "); | |
| 25 | //printf("\n\tfirst::%s", sauce);
| |
| 26 | ||
| 27 | char * source; | |
| 28 | if(strcmp("NOT",sauce)==0) {
| |
| 29 | // NOT aa/1 -> bb | |
| 30 | sauce = strtok(NULL, " "); | |
| 31 | // printf("\nNOT:\tfactor::%s,", sauce);
| |
| 32 | uint16_t temp = (isdigit(sauce[0]) ? atoi(sauce) : circuits[hash(sauce)]); | |
| 33 | // printf("%d,", temp);
| |
| 34 | circuits[hash(destination)] = ~temp; | |
| 35 | // printf("%d,", circuits[hash(destination)]);
| |
| 36 | continue; | |
| 37 | } else {
| |
| 38 | // aa/1 * -> bb | |
| 39 | source = sauce; | |
| 40 | } | |
| 41 | ||
| 42 | sauce = strtok(NULL, " "); | |
| 43 | ||
| 44 | uint16_t val = (isdigit(source[0]) ? atoi(source) : circuits[hash(source)]); | |
| 45 | ||
| 46 | if(sauce == NULL) {
| |
| 47 | // aa -> bb | |
| 48 | circuits[hash(destination)] = val; | |
| 49 | continue; | |
| 50 | } | |
| 51 | ||
| 52 | char * factor = strtok(NULL, " "); | |
| 53 | uint16_t right = (isdigit(factor[0]) ? atoi(factor) : circuits[hash(factor)]); | |
| 54 | if(strcmp("AND",sauce)==0) {
| |
| 55 | circuits[hash(destination)] = val & right; | |
| 56 | } else if(strcmp("OR",sauce)==0) {
| |
| 57 | circuits[hash(destination)] = val | right; | |
| 58 | } else if(strcmp("LSHIFT",sauce)==0) {
| |
| 59 | circuits[hash(destination)] = val << right; | |
| 60 | } else if(strcmp("RSHIFT",sauce)==0) {
| |
| 61 | circuits[hash(destination)] = val >> right; | |
| 62 | } | |
| 63 | } | |
| 64 | printf("\n%d", circuits[hash("a")]);
| |
| 65 | } |
