#include <stdio.h> int main() { int h,h1,h2,m,m1,m2,s,s1,s2; int a,b,c; scanf("%d:%d:%d",&h1,&m1,&s1); scanf("%d:%d:%d",&h1,&m1,&s1); a=h1*3600+m1*60+s1; b=h2*3600+m2*60+s2; c=fabs(a-b); h=c/3600; m=c/60%60; s=c/60; printf("%d:%02d:%02d",h,m,s); } |
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