#include <stdio.h> #include <math.h> main () { int xh,xm,xs,yh,ym,ys; scanf("%d:%d:%d",&xh,&xm,&xs); scanf("%d:%d:%d",&yh,&ym,&ys); int x1=xh*3600+xm*60+xs; int x2=yh*3600+ym*60+ys; int x = fabs(x2-x1); int h= x/3600; int m=(x%3600)/60; int s=(x%3600)%60; printf("%d:%02d:%02d\n",h,m,s); return 0; } |
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