Chapter 5 project 8

[rishabhh1809]

THIS SHOULD BE THE ANSWER IT IS COMPLICATED BUT U CAN ADD ANY NUMBER OF FLIGHT DETAILS WITH MINIMAL EFFORTS.
ALSO NO WRONG ANSWERS TO VALUE SUCH AS 00:45
TAKE YOUR TIME TO UNDERSTAND THE CODE
UR WELCOME

` #include <stdio.h>
#include <stdlib.h>

#define lowest(a,b,c,d,e,f,g,h) (a<b && a<c && a<d && a<e && a<f && a<g && a<h)
#define middletime(i,j) ((((1440-j)+i)/2)+j)
#define inmin(k,l) (60 * k + l)

int main (void)
{
int hh, mm, rr, dh, dm, d, ah, am, a,
    dhfirst, dh2, dh3, dh4, dh5, dh6, dh7, dhlast,
    dmfirst, dm2, dm3, dm4, dm5, dm6, dm7, dmlast,
    dfirst, d2, d3, d4, d5, d6, d7, dlast,
    s1, s2, s3, s4, s5, s6, s7, s8,
    ahfirst, ah2, ah3, ah4, ah5, ah6, ah7, ahlast,
    amfirst, am2, am3, am4, am5, am6, am7, amlast,
    afirst, a2, a3, a4, a5, a6, a7, alast;

printf("Enter a 24-hour time: ");
scanf("%d:%d", &hh, &mm);

dhfirst = 8;    dmfirst = 0;     dfirst = inmin(8,dmfirst);
ahfirst = 10;   amfirst = 16;    afirst = inmin(10,amfirst);

dhlast = 9;    dmlast = 45;    dlast = inmin(21,dmlast);   
ahlast = 11;   amlast = 58;    alast = inmin(23,amlast);

if (inmin(hh,mm)>dfirst && inmin(hh,mm)<dlast)
    rr = inmin(hh,mm);
else if (1440<middletime(dfirst,dlast))
    if (inmin(hh,mm)>middletime(dfirst,dlast)-1440 && inmin(hh,mm)<dfirst)
        rr = dfirst + 1;
    else
        rr = dlast - 1;
else if (1440>middletime(dfirst,dlast))
    if (inmin(hh,mm)<middletime(dfirst,dlast) && inmin(hh,mm)>dlast)
        rr = dlast - 1;
    else
        rr = dfirst + 1;
else if (1440==middletime(dfirst,dlast))
    if (inmin(hh,mm)>dlast) 
        rr = dlast - 1;
    else
        rr = dfirst + 1;
else
    rr = inmin(hh,mm);

                                                s1 = abs(dfirst-rr);
dh2 = 9;    dm2 = 43;    d2 = inmin(9,dm2);     s2 = abs(d2-rr);   ah2 = 11;   am2 = 52;    a2 = inmin(11,am2);
dh3 = 11;   dm3 = 19;    d3 = inmin(11,dm3);    s3 = abs(d3-rr);   ah3 = 1;    am3 = 31;    a3 = inmin(13,am3);
dh4 = 12;   dm4 = 47;    d4 = inmin(12,dm4);    s4 = abs(d4-rr);   ah4 = 3;    am4 = 0;     a4 = inmin(15,am4);
dh5 = 2;    dm5 = 0;     d5 = inmin(14,dm5);    s5 = abs(d5-rr);   ah5 = 4;    am5 = 8;     a5 = inmin(16,am5);
dh6 = 3;    dm6 = 45;    d6 = inmin(15,dm6);    s6 = abs(d6-rr);   ah6 = 5;    am6 = 55;    a6 = inmin(17,am6);
dh7 = 7;    dm7 = 0;     d7 = inmin(19,dm7);    s7 = abs(d7-rr);   ah7 = 9;    am7 = 20;    a7 = inmin(21,am7);
                                                s8 = abs(dlast-rr);

if (lowest(s1,s2,s3,s4,s5,s6,s7,s8))
    {dh=dhfirst; dm=dmfirst; ah=ahfirst; am=amfirst; d=dfirst; a=afirst;}
else if (lowest(s2,s1,s3,s4,s5,s6,s7,s8))
    {dh=dh2; dm=dm2; ah=ah2; am=am2; d=d2; a=a2;}
else if (lowest(s3,s2,s1,s4,s5,s6,s7,s8))
    {dh=dh3; dm=dm3; ah=ah3; am=am3; d=d3; a=a3;}
else if (lowest(s4,s2,s3,s1,s5,s6,s7,s8))
    {dh=dh4; dm=dm4; ah=ah4; am=am4; d=d4; a=a4;}
else if (lowest(s5,s2,s3,s4,s1,s6,s7,s8))
    {dh=dh5; dm=dm5; ah=ah5; am=am5; d=d5; a=a5;}
else if (lowest(s6,s2,s3,s4,s5,s1,s7,s8))
    {dh=dh6; dm=dm6; ah=ah6; am=am6; d=d6; a=a6;}
else if (lowest(s7,s2,s3,s4,s5,s6,s1,s8))
    {dh=dh7; dm=dm7; ah=ah7; am=am7; d=d7; a=a7;}
else
    {dh=dhlast; dm=dmlast; ah=ahlast; am=amlast; d=dlast; a=alast;}

printf("Closest departure is ");

if (d<720 && a<720)
    printf("%d:%0.2d a.m., arriving at %d:%0.2d a.m.\n", dh, dm, ah, am);
else if (d<720 && a>720)
    printf("%d:%0.2d a.m., arriving at %d:%0.2d p.m.\n", dh, dm, ah, am);
else if (d>720 && a<720)
    printf("%d:%0.2d p.m., arriving at %d:%0.2d a.m.\n", dh, dm, ah, am);
else
    printf("%d:%0.2d p.m., arriving at %d:%0.2d p.m.\n", dh, dm, ah, am);

return 0;

}
`