#include<stdio.h> #include<math.h> int main() { int a,b,c,x,y,z,s; scanf("%d:%d:%d",&a,&b,&c); scanf("%d:%d:%d",&x,&y,&z); s=abs((a*3600+b*60+c)-(x*3600+y*60+z)); printf("%02d:%02d:%02d",s/3600,(s%3600)/60,(s%3600)%60); return 0; } |
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