#include <stdio.h> #include <math.h> int main() { int a,b,c,d,e,f,sum; scanf("%d:%d:%d",&a,&b,&c); scanf("%d:%d:%d",&d,&e,&f); sum=fabs(a*60*60-d*60*60+b*60-e*60+c-f); printf("%d:%02d:%02d",sum/60/60,sum/60%60,sum%60); return 0; } |
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