UVa [10878 - Decode the tape] by Go-Ice

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

int main(){
    int readTape( char *indexFun );

    char strInput[12], strOut[10000];
    char *index = &strInput[0];
    int ASCII;
    int cnt, power, length=0, tapeEnd=1;

    while (readTape(index)){
        /* reset variables*/
        ASCII = 0;
        power = 7;

        if (strInput[0] == '_'){
            tapeEnd = (tapeEnd == 0) ? 1 : 0 ;

            /* if it's tape's end, prints out the result */
            if (tapeEnd){
                for ( cnt=0 ; cnt<length ; cnt++ )
                    printf("%c", strOut[cnt]);
                length = 0; /* reset tape's length */
            } /* END inner if*/

            continue;
        } /* END outer if */

        /* decode the tape, translate the tape into ASCII code */
        for ( cnt=1 ; cnt<10 ; cnt++ ){
            if (strInput[cnt] == 'o')
                ASCII += pow(2, power);

            power = (cnt==6) ? power : --power ;
        } /* END for */

        strOut[length++] = ASCII;

    } /* END while*/

    system("PAUSE");
    return 0;
}

int readTape( char *indexFun ){
    int cnt;

    for ( cnt=0 ; cnt<12 ; cnt++, indexFun++ ){
        *indexFun = getchar();
        if (*indexFun == '\n')
            return 1;
    } /* END for */

    return 0;
} /* END readTape() */