HDU 5387 Clock (analog)

#include <iostream> #include <algorithm> #include <cstring> #include <math.h> #include < Stdio.h> #include <map>using namespace std;int gcd (int x,int y) {return y==0?x:gcd (y,x%y);}    int main () {int h,m,s;    int x,y,z,t;    int gx,gy,gz;    scanf ("%d", &t);        while (t--) {scanf ("%d:%d:%d", &x,&y,&z);          x%=12;        Enlarge the angle by 120 times times to eliminate the denominator h=3600*x+60*y+z;//h=120* (30* (x+y/60+z/3600) +10* (Y+Z/60) +6*z) m=720*y+12*z;        S=720*z;        X=abs (H-M);        Y=abs (h-s);        Z=abs (m-s);        if (180*120<x) x=360*120-x;        if (180*120<y) y=360*120-y;        if (180*120<z) z=360*120-z;        GX=GCD (x,120);        GY=GCD (y,120);        GZ=GCD (z,120);        if (gx==120) printf ("%d", X/GX);        else printf ("%d/%d", X/GX,120/GX);        if (gy==120) printf ("%d", y/gy);        else printf ("%d/%d", y/gy,120/gy);        if (gz==120)    printf ("%d", z/gz);        else printf ("%d/%d", z/gz,120/gz);    printf ("\ n"); } return 0;}

HDU 5387 Clock (analog)