#include<stdio.h> #include<math.h> int main() { int h1,m1,s1,t1; int h2,m2,s2,t2; int h,m,s,t; scanf("%02d:%02d:%02d",&h1,&m1,&s1); scanf("%02d:%02d:%02d",&h2,&m2,&s2); t1=h1*3600+m1*60+s1; t2=h2*3600+m2*60+s2; t=fabs(t1-t2); h=t/3600; m=t%3600/60; s=t%3600%60; printf("%02d:%02d:%02d",h,m,s); return 0; } |
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