#include<stdio.h> #include<math.h> int main() { int a,b,c,d,e,f; scanf("%d:%d:%d",&a,&b,&c); scanf("%d:%d:%d",&d,&e,&f); int s1,s2,s3; s1 = fabs(a-d); s2 = fabs(b-e); s3 = fabs(c-f); printf("%d:%02d:%02d",s1,s2,s3); return 0; } |
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