694logo.c

#include <stdio.h> 
#include <stdint.h>
int main(){uint16_t i[]={14894U,15710U,14478U,4100U,4100U,16382U,16385U,24021U,
20821U,24029U,21573U,23621U,16385U,16382U};for(int r=0;r<0xE;++r){for(int
m=0x8000;m;m>>=1)if(i[r]&m)printf("##");else printf("  ");puts("");}}

694logoEXPLAINED.c

#include <stdio.h>  // printf(), puts()
#include <stdint.h> // uint16_t

// Image stored in compact binary
const uint16_t image[14] = 
{
    // Each row is 15 pixels wide
    // Using a 16 bit integer, you
    // can store a bitmap image 
    0b011101000101110, //   ######  ##      ##  ######
    0b011110101011110, //   ########  ##  ##  ########
    0b011100010001110, //   ######      ##      ######
    0b001000000000100, //     ##                  ##
    0b001000000000100, //     ##                  ##
    0b011111111111110, //   ##########################
    0b100000000000001, // ##                          ##
    0b101110111010101, // ##  ######  ######  ##  ##  ##
    0b101000101010101, // ##  ##      ##  ##  ##  ##  ##
    0b101110111011101, // ##  ######  ######  ######  ##
    0b101010001000101, // ##  ##  ##      ##      ##  ##
    0b101110001000101, // ##  ######      ##      ##  ##
    0b100000000000001, // ##                          ##
    0b011111111111110  //   ##########################
};

// Take 16 bit int, and print 16 pixels from it
void putLine(const uint16_t line) 
{
    // Use a bit mask to print the int bit by bit
    for(uint16_t mask = 0x8000; mask; mask >>= 1) 
    {
        // If the mask and the line match up, its an active bit
        if(line & mask) { printf("##"); }
        else { printf("  "); }
    }

    // New line for end of each row
    putchar('\n');
}

int main() 
{
    // Go through each line of the image
    for(int i = 0; i < 14; ++i) { putLine(image[i]); }
}

epic