#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include <time.h>
#include <limits.h>

char input[] =
{
#embed "input.txt"
,'\0' // null terminator
};

int width = 0;
int height = 0;
uint64_t result = 0;


uint64_t parseNum(char* str){
    int i = 0;
    while(str[i] == ' '){
        i++;
    }
    uint64_t out = 0;
    while(str[i] != ' ' && str[i] != '\n'){
        //printf("%c", str[i]);
        out += str[i]-0x30;
        out *= 10;
        i++;
    }
    out /=10;
    return out;
}

int main(int argc, char *argv[]){
    clock_t start, end;
    start = clock();


    while(input[width] != '\n'){
        width++;
    }

    printf("width: %d\n", width);
    //parse ranges first
    int i = 0;
    int lines = 0;
    while(input[i+1] != 0){
        lines++;
        i+=(width+1);
    }


    char* symbols = input+(width+1)*(lines-1);
    printf("line count: %d\n", lines);
    printf("symbols:\n%s\n", symbols);

    printf("parsing the first number: %lu\n", parseNum(input+8));


    int parse_length = 1;
    uint64_t col_res;
    while(*symbols != 0){
        while(symbols[parse_length] == ' ' || symbols[parse_length] == '\n'){
            parse_length++;
        }
        parse_length--;
        printf("parsing %d long numbers\n", parse_length);
        
        if(*symbols == '*'){
            col_res = 1;
            printf("multiplying....\n");
            for(int i = 1; i<lines; i++){
                uint64_t num = parseNum(symbols-(i*(width+1)));
                printf("parsed %lu\n", num);
                col_res *= num; 
            }
        }else if(*symbols == '+'){
            col_res = 0;
            printf("adding....\n");
            for(int i = 1; i<lines; i++){
                uint64_t num = parseNum(symbols-(i*(width+1)));
                printf("parsed %lu\n", num);
                col_res += num;
            }
        }
        printf("total: %lu\n", col_res);
        result += col_res;
        symbols += parse_length+1;
        parse_length = 1;
    }

    end = clock();
    printf("count: %lu\n", result);
    clock_t ticks_taken = end - start; 
    double time_taken = ((double)ticks_taken)/CLOCKS_PER_SEC;
    printf("time take: %f ticks\n", time_taken);
    printf("CLOCKS_PER_SEC: %ld\n", CLOCKS_PER_SEC);


    exit(1);
}