#include<stdio.h> #include<math.h> int main() { int h,m,s; int hh,mm,ss,sum1,sum2; scanf("%d:%d:%d\n",&h,&m,&s); scanf("%d:%d:%d",&hh,&mm,&ss); sum1=h*3600+m*60+s; sum2=hh*3600+mm*60+ss; sum1=abs(sum1-sum2); printf("%02d:%02d:%02d",sum1/3600,(sum1%3600)/60,sum1%60); return 0; } |
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